[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.08"]
[Round "1.1"]
[White "Phillips, William"]
[Black "Batey, Richard"]
[Result "1/2-1/2"]
[ECO "D56"]
[WhiteElo "1819"]
[BlackElo "2044"]
[Annotator "User"]
[PlyCount "94"]
[SourceVersionDate "2023.09.12"]

{[%evp 0,28,25,26,24,27,22,4,4,-5,22,13,20,20,35,18,38,38,34,37,29,29,56,57,57,34,80,28,28,28,24]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 (9. Rc1 Nxc3 10. Rxc3 c6 11. Bd3 Nd7 12. O-O e5 13. dxe5 dxc4 14. Bxc4 Nxe5 15. Nxe5 Qxe5 16. Qd4 {Phillips-Baumbach,EU ch tm Seniors Vienna 2015,1/2-1/2} (16. f4 Qf6 17. e4 Be6 18. e5 Qe7 19. Bxe6 fxe6 {Phillips-Ng, 4ncl 2015,0-1})) (9. cxd5 Nxc3 10. bxc3 exd5 11. Bd3 Nd7 12. O-O Nf6 13. Qc2 b6 14. Rfe1 Bb7 {Hitchens-Batey,4NCL 2001,0-1}) 9... Nxc3 10. Qxc3 c6 11. Bd3 Nd7 12. O-O Re8 13. Ne5 {initially first line of SF16, then drops to 3rd place.} (13. cxd5 $11 exd5 14. b4 {25 games, 68% for Wh}) (13. e4 $11 {9 games, 83 % for Wh}) 13... Nxe5 $11 14. dxe5 b6 (14... a5 15. c5 f5 16. a3 Qc7 17. Rac1 Bd7 18. Bc2 b5 19. cxb6 Qxb6 20. Ba4 Rab8 21. b3 Rec8 {Sobek-Vechet,MOR ch tm, Moravia 2002,1/2-1/2}) 15. Rfd1 Bb7 16. b4 (16. cxd5 cxd5 $11 (16... exd5 17. f4 c5 18. Bc2 $14 {SF16})) 16... c5 $15 17. b5 Red8 18. Qc2 dxc4 (18... Rd7 $17) 19. Bxc4 Rxd1+ 20. Rxd1 Rd8 21. f4 Rd7 (21... Rxd1+ 22. Qxd1 Be4 $15 {SF16}) 22. a4 (22. Rxd7 Qxd7 23. Qd3 $11 {the protected passed pawn will be easily held in check}) 22... Qd8 23. Rxd7 Qxd7 24. Qd3 Qxd3 25. Bxd3 {transposes to last note} Bd5 26. Bc2 f6 27. e4 Bc4 28. exf6 gxf6 29. e5 Kf7 30. Kf2 a6 $2 (30... fxe5 31. fxe5 Bd5 $11 {SF16}) 31. bxa6 (31. a5 $18 {SF16} bxa5 (31... axb5 32. axb6 Bd5 33. Ke3 f5 34. g4 fxg4 35. Be4 $18) 32. b6 Bd5 33. g4 fxe5 34. fxe5 Ke7 35. h4 Bb7 36. Ke3 c4 37. Kd4 Bd5 38. Be4 $18 {SF16}) 31... Bxa6 $11 32. g4 Bb7 33. h4 fxe5 34. fxe5 Bc6 35. Ke3 Bd5 36. Kf4 Kg7 37. g5 Bc4 {[Draw?]} 38. Be4 Bb3 39. Bc6 c4 40. gxh6+ Kxh6 41. Be8 c3 42. Ke3 c2 43. Kd2 Kg7 44. Bd7 Kg6 45. Bxe6 c1=Q+ 46. Kxc1 Bxe6 47. a5 bxa5 $11 {(Draw?]} (47... b5 48. a6 Bd5 49. Kc2 b4 50. Kd3 Kf5 51. h5 Kxe5 52. a7 b3 53. Kc3 Kf6 54. a8=Q Bxa8 55. Kxb3) 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.08"]
[Round "1.2"]
[White "Morris, Charles F"]
[Black "Thomas, Mark"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2029"]
[BlackElo "1724"]
[Annotator "User"]
[PlyCount "101"]
[EventDate "2023.??.??"]
[SourceVersionDate "2023.09.12"]

{[%evp 0,17,26,-12,19,-16,-2,-2,35,22,24,21,24,24,13,-2,31,16,37,11]} 1. c4 d6 (1... g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. Nf3 O-O 6. h3 Nbd7 7. Be3 e5 {MacDonald-Thomas, SW Autumn2022,1/2-1/2}) 2. g3 e5 3. Bg2 f5 4. d4 Be7 5. Nc3 {main} (5. Nf3 e4 6. Nfd2 Nf6 7. f3 exf3 8. Nxf3 O-O 9. Nc3 Na6 10. O-O c6 11. d5 c5 12. Ng5 Nc7 {Morris-Ansell, 4NCL 2009,0-1}) 5... Nf6 6. Nf3 e4 7. Nd2 {25 games,46 % bfor Wh} (7. Ng5 {196 games, 57% for Wh}) 7... c6 8. O-O $15 {0.5-7.5} Na6 $146 (8... d5 $15 {SF16. 0.5-7.5}) 9. a3 (9. d5 O-O 10. f3 exf3 (10... cxd5 11. cxd5 Bd7 $11 (11... Qb6+ 12. Kh1 Bd7 $11) 12. fxe4 Ng4 13. Nf3 fxe4 14. Nxe4 Qb6+ 15. Kh1 Bf5 16. Qa4 Rae8 17. Nfg5 Qb4 $11 {SF16}) 11. Nxf3 c5 {transposes to Morris-Ansell, 0-1, when SF16 gives QC2 definite plus for Wh (though not yet played) Other games went with a draw and 2 Bl wins}) 9... Nc7 (9... d5) 10. e3 (10. d5 $11) 10... O-O (10... d5 $17 {SF16}) 11. b4 Be6 12. Bb2 d5 $17 {SF16- Wh's QB is defintely bad.while his KB is biting on granite} 13. c5 $19 {now all the Wh pawns are on the same colour as his unfortunate QB, and SF16 claims Bl is winning} (13. cxd5 Ncxd5 14. Ne2 h5 15. Rc1 h4 16. Nf4 Bf7 $17 {SF16, but perhaps Wh might get a bit of play on the c file with b5}) 13... Bf7 (13... h5 14. f3 h4 $19 15. Ne2 Qe8 $19 {SF16}) 14. a4 Bh5 15. Qb3 Qd7 16. b5 Ne6 17. Ba3 g5 (17... Bd8 18. f3 a6 19. Rab1 axb5 20. axb5 Kh8 21. Bb4 Ng5 $17 {SF16}) 18. Rfb1 f4 (18... Bd8 19. a5 Bxa5 20. Bb4 Bxb4 21. Qxb4 f4 $17 {SF16}) 19. bxc6 (19. a5 Ng4 20. Ncxe4 fxe3 21. fxe3 dxe4 22. Nxe4 Bf7 23. Qd3 Bg6 24. Qb3 a6 $17 {SF16}) 19... bxc6 $19 20. Qb7 Rad8 (20... Qe8 {SF16 keeps Qs on to continue attacking the K} 21. Rb2 Bg6 22. Rab1 Bf5 23. a5 h5 24. h3 {the alternative SF16 is to sac on e4 again} Rc8 25. Qxa7 Ra8 26. Qb7 Rxa5 27. Ra1 Ra8 28. Rb6 Rc8 29. Bb4 f3 30. Bf1 Rc7 31. Qa6 Nf4 $19 32. exf4 gxf4 33. Kh1 Kh8 34. Ra3 fxg3 35. fxg3 Qg6 {and the g file decides while most of the Wh army is far away on the Q side}) 21. Qxd7 Rxd7 22. a5 fxe3 23. fxe3 Ng4 $17 24. Nd1 Bf6 25. Bb2 Rb8 (25... Nh6 $19 {suggested by Rudy & SF16} 26. a6 Rdf7 27. Bh3 Nc7 28. Nc3 Bg7 29. Rf1 Rxf1+ 30. Rxf1 (30. Nxf1 Rb8 31. Bc1 g4 32. Bg2 Nf5 33. Ra4 Be8 {coming to collect the a pawn}) 30... Rb8 (30... Rxf1+ 31. Kxf1 (31. Bxf1 Nf5 32. Kf2 Bxd4 $19) 31... g4 32. Bg2 Nf5 33. Ke2 Bh6 34. Nd1 Nxa6 $19 {SF16})) 26. Bc3 $11 (26. h3 Nxe3 27. Nxe3 Nxd4 28. Kh2 Rdb7 29. Bc3 Rxb1 30. Rxb1 Rxb1 31. Nxb1 Kf7 $11 {SF16}) 26... Rdb7 27. Rxb7 Rxb7 28. h3 Nh6 (28... Nxe3 29. Nxe3 Bxd4 30. Bxd4 Nxd4 31. Ra4 Ne2+ 32. Kf2 Rb2 33. Ke1 Nxg3 $11 {SF16}) 29. g4 Bg6 $14 (29... Be8 $11) 30. a6 Rb8 31. Rb1 (31. Ra3 Be8 32. Rb3 Rxb3 33. Nxb3 Bd7 34. Na5 $14 {SF16}) 31... Rxb1 32. Nxb1 Nf7 (32... Be8 $11) 33. Na3 Bd8 34. Nc2 Bc7 35. Bf1 h5 36. Be2 Ng7 37. Na1 hxg4 38. hxg4 (38. Bxg4 $5) 38... Nd8 39. Nb3 Be8 40. Kg2 Bd7 41. Nb2 (41. Ba5 Bxa5 42. Nxa5 Ne8 43. Nc3 Bc8 44. Na2 Kf8 (44... Nc7 $6 45. Nb4 Bd7 46. Nb7 Nde6 47. Kf2 Kf8 48. Bd1 Nb5 $14)) 41... Ne8 42. Ba5 $2 {echanges off the B at last, but bad timing- it should have been last move} (42. Kh3) 42... Bxa5 43. Nxa5 Nf6 $11 (43... Bc8 44. Nd1 Nc7 $17 {wins the a pawn}) 44. Kg3 Nf7 45. Nd1 Nh6 46. Nf2 (46. Nc3 $11 {SF16, as Wh gets c6 if Bl takes on g4}) 46... Kf8 47. Bd1 Nf7 48. Nh3 Nh7 49. Ba4 Nd8 50. Nb7 Ke7 51. Nd6 $2 {(Draw?]} (51. Na5 $11 {SF16}) (51. Nd6 $2 Ne6 52. Bd1 Nc7 53. Be2 (53. Kf2 Nxa6 54. Ke1 Nc7 55. Kd2 Ne6 $17) 53... Nb5 $19 54. Nf5+ (54. Nxb5 cxb5 {Bl wins the a pawn with the K to c6, then advances both Q side pawns}) 54... Kf6 55. Nf2 Nc3 (55... Bxf5 56. gxf5 Kxf5 57. Ng4 $11 {SF16}) 56. Bf1 Nf8 57. Nd6 Ne6 58. Nb7 Nc7 59. Na5 N7b5 60. Nb3 Na3 61. Na1 Bc8 62. Kh2 Nc4 63. Bxc4 dxc4 64. Nc2 Bxa6 $19 {SF16-but not at all easy to find especially at the end of a long game.}) 1/2-1/2

[Event "Wales  Seniors Ch"]
[Site "?"]
[Date "2023.09.07"]
[Round "1.3"]
[White "Van Kemenade, J.."]
[Black "Miles, Richard"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1670"]
[BlackElo "1967"]
[Annotator "User"]
[PlyCount "71"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.09"]

{[%evp 0,71,80,27,100,86,46,14,84,-11,5,-8,91,94,64,25,45,-18,12,-41,0,-16,22,-21,-1,-7,-10,-9,-15,-45,-45,-33,-22,-23,-15,-28,27,6,18,15,-21,-21,36,29,70,42,43,43,1,43,69,-237,-235,-225,-276,-274,-270,-320,-263,-278,-268,-299,-301,-301,-234,-234,-225,-232,-273,-269,-296,-296,-355,-418]} 1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. O-O Nge7 7. Re1 O-O 8. Nbd2 d5 (8... d6) 9. e5 Qc7 10. Qe2 b5 (10... b6) 11. Nf1 Nf5 (11... Bb7) 12. c3 Rb8 (12... b4 13. Bf4 (13. h4)) 13. Bf4 (13. h4 {1.5-0.5}) (13. g4 Nfe7 14. Bg5 {1-0}) 13... b4 14. g4 Nfe7 15. Qd2 $14 bxc3 16. bxc3 Qa5 (16... Ba6) 17. Ng3 Qa3 18. Rab1 (18. Bh6 {Richard & SF16} Rb2 (18... Qb2 19. Qf4 f5 20. exf6 Rxf6 21. Qg5 Rf7 22. Bxg7 Kxg7 23. Rec1 $16) 19. Qc1 Rxa2 20. Rxa2 Qxa2 21. Nh5 gxh5 22. Qg5 Ng6 23. Bxg7 Kxg7 24. Qf6+ Kg8 25. gxh5 Nce7 26. hxg6 Nxg6 27. h4 $16 {SF16}) 18... Bd7 (18... Ba6) 19. h4 (19. Bh6) 19... Rxb1 20. Rxb1 f6 21. Rb3 Qa5 22. exf6 Bxf6 23. Bd6 (23. Bh6 Rf7 24. Ng5 Bxg5 25. Bxg5 Qc7 26. h5 $16 {SF16}) 23... Rd8 (23... Rf7 24. Qe3 Bc8 25. Bxc5 Qxa2 26. Ra3 Qb1+ 27. Kh2 Qb8 28. d4 $14 {SF16}) 24. Qf4 Rf8 25. Bc7 (25. Qe3) (25. Rb7 Qd8 26. Bxc5 $16) 25... Qxa2 $19 26. Rb7 Qa6 (26... Bc8) 27. Rb3 Qxd3 28. Qd6 (28. Qc1 Nd4 29. Nxd4 Bxd4 30. Nh1 Nc6 $19 {SF16}) 28... Qd1+ (28... Bc8 29. Ra3 c4 $19) 29. Kh2 Qxb3 30. Qxd7 d4 (30... Qb7 31. Qxe6+ Kh8 32. Be5 Nxe5 33. Nxe5 Bxh4 $19 {SF16}) 31. cxd4 (31. c4 Qxc4 32. Nd2 Qa6 33. Qxe6+ Kh8 34. Bd6 Qc8 35. Qe4 Qd7 36. Bxc5 Bxh4 {SF16}) 31... Qd5 $19 (31... Qc4) 32. Qxd5 Nxd5 33. Bd6 Be7 (33... Nxd4 34. Bxf8 Nxf3+ 35. Bxf3 Kxf8 $19) 34. Bxc5 Bxc5 35. dxc5 a5 36. Ne4 (36. Ng5 a4 37. Nxe6 Rxf2 38. Kg1 Rxg2+ 39. Kxg2 a3) 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.08"]
[Round "1.4"]
[White "Saunders, Walter NR"]
[Black "Quinn, Peter"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1943"]
[BlackElo "1645"]
[Annotator "User"]
[PlyCount "111"]
[SourceVersionDate "2023.09.13"]

1. d4 c6 2. e4 Nf6 (2... d6) 3. Bd3 (3. e5 {75% for Wh}) 3... d6 4. f4 e5 {both players in new territory} 5. c3 Nbd7 6. Nf3 Qc7 7. O-O Be7 8. a4 (8. Kh1) (8. h3 {main lines}) (8. fxe5 dxe5 9. a4 {Cloud Engines}) 8... a5 9. Na3 c5 $2 $18 {dangerous to open up lines when the K is in the middle} (9... O-O 10. Nc4 exd4 11. cxd4 d5 12. e5 dxc4 13. exf6 Bxf6 14. Bxc4 Nb6 15. Bb3 Bg4 {Doucha-Briestenska, SVK ch tm 2016,1/2=1/2}) 10. Nb5 Qb8 (10... Qb6 11. Nd2 cxd4 12. Nc4 Qc6 13. cxd4 O-O 14. d5 Qa6 15. Kh1 (15. Nc7 Qa7+ 16. Kh1 b6 (16... Rb8 17. Be3 b6 18. Nb5 Qa6 19. Nbxd6 Bxd6 20. Nxd6 Qa8 21. Nf5) 17. Nxa8) 15... Ne8 16. Be2 h6 17. Ra3 $18 {SF16}) 11. fxe5 (11. dxe5) 11... dxe5 12. d5 (12. Nxe5 Nxe5 13. dxe5 Nd7 14. Bc4 O-O 15. Rxf7 Rxf7 16. Bxf7+ Kxf7 17. e6+ Kg8 (17... Kxe6 18. Qd5+ Kf6 19. Qf5#) 18. exd7 Bxd7 19. Qxd7 $18 {SF16}) (12. dxe5 Ng4 13. Bc4 O-O (13... Ndxe5 14. Nxe5 Nxe5 15. Bxf7+ Nxf7 16. Bf4 $18 Ne5 17. Qh5+) 14. e6 $18 Nb6 15. exf7+) 12... O-O 13. c4 $18 {Bl is very short of space} b6 14. b3 Ba6 15. Bb2 (15. Nc3 {as the bl B has fewer prospects than the N- keep pieces on when your opponent is cramped}) 15... Bxb5 16. axb5 $16 Ne8 17. Bc2 Bf6 18. Qe1 g6 19. Qg3 Bg7 20. Rae1 f6 {best to leave pawn moves on the side where one in under attack, especially around the K} (20... Qd6 21. Bc1 Qe7 $16) 21. h4 $18 Nd6 22. h5 Qe8 23. hxg6 Qxg6 (23... hxg6 24. Bc1 g5 {blocks on the Bl squares, but leaves the wh ones wide open} 25. Bd1 Ra7 26. Nh2 Qe7 27. Bg4 $18 {SF16}) 24. Qh3 Qe8 25. Nd2 (25. Nh4) 25... Nb7 (25... Rf7 26. Bc1 Nf8 27. Nf3 Ng6 28. Nh2 a4 29. bxa4 Nxc4 30. Ng4 {SF16 more logical sequence}) 26. Qe6+ (26. Bd1) 26... Kh8 (26... Qxe6 27. dxe6 Nb8 28. Bd1 Re8 29. Bg4 Nd8 30. e7 Rxe7 31. Nb1 Ne6 32. Nc3 Nd7 (32... Nd4 33. Nd5) 33. Nd5 Kf7 34. Rd1 Rb8 35. Nxe7 Kxe7 36. Bxe6 Kxe6 37. Rd3 $18) 27. Nf3 Nd8 28. Qxe8 (28. Qh3 {keeps attack with more power}) 28... Rxe8 29. Nh4 Nf7 30. Nf5 Bf8 (30... Bh6 {SF16}) 31. Rf3 Nd6 32. Bc1 Nxf5 33. Rxf5 Be7 34. Kf2 Rg8 35. Rh1 Rg7 36. Rfh5 Rag8 37. g4 (37. g3 {SF16, keeps lines open for the wh B}) 37... Nf8 38. Bh6 Rf7 39. Kf3 Ng6 40. Rf5 Bf8 41. g5 Bxh6 42. Rxh6 Kg7 43. Rh5 Rgf8 44. gxf6+ (44. Ke3 fxg5 45. Rhxg5 Re7 46. Bd1 Rxf5 47. exf5 Kf6 48. Rg1 Kxf5 49. d6 $18 {Sf16}) 44... Rxf6 45. Rxf6 Rxf6+ 46. Ke3 Rf1 (46... Rf8 47. Bd1 Re8 48. Rg5 Rf8 49. Rf5 Rxf5 50. exf5 Ne7 51. Ke4 Kf6 52. d6 Nxf5 53. d7 Nd6+ 54. Kd5 Nf7 55. Kc6 $18 {Sf16}) 47. Rf5 Rh1 48. d6 Rh3+ 49. Kd2 Rh2+ 50. Kc3 Rh3+ 51. Bd3 Nf4 52. Rxf4 exf4 53. d7 f3 54. d8=Q Rh6 55. Qd7+ Kg8 56. Qg4+ 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.08.07"]
[Round "1.5"]
[White "Thomas, Roy"]
[Black "Van Kemenade, R.."]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1641"]
[BlackElo "1934"]
[Annotator "User"]
[PlyCount "49"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.09"]

{[%evp 0,14,22,-16,5,17,34,73,64,21,27,27,27,17,36,51,67]} 1. f4 d6 2. Nf3 g6 3. e4 c5 4. Be2 (4. Bc4) 4... Bg7 5. O-O Nc6 6. d3 (6. c3) 6... f5 (6... e6 {main}) 7. Nc3 (7. c3) 7... e6 {2-0} (7... Nf6 8. Qe1 O-O {0.5-1.5}) (7... Nh6 {0-2/ Bl thought about both N moves, ten moved pawn to leave options open}) 8. exf5 (8. Bd2 {1-0}) (8. Qe1 {1-0}) 8... gxf5 (8... exf5 9. Re1 Nge7 10. d4 cxd4 11. Nb5 O-O 12. Nbxd4 $16 {SF16}) 9. Ng5 Nh6 (9... Ke7 10. Bh5 Bxc3 11. bxc3 Nf6 12. Bf3 h6 13. Nh3 Kd7 $14 {SF16}) (9... Nge7 10. Bh5+ Ng6 11. Re1 O-O 12. Nxe6 $16 (12. Rxe6 $16)) 10. Bh5+ $18 Kf8 (10... Kd7 {first idea} 11. Re1 Nd4 12. Ne2 Kc7 13. c3 Nc6 14. d4 a5 15. Be3 Qe7 16. d5 $18 {SF15}) 11. Re1 Nd4 (11... Bd7 12. Nb5 Ke7 13. c3 a6 14. Na3 Qc7 15. Nc2 Rag8 16. d4 $18 {SF16}) 12. Ne2 Nxe2+ (12... Ng4 13. Bxg4 (13. c3 h6 14. cxd4 hxg5 15. Bxg4 fxg4 16. fxg5 Kg8 17. Be3 b6 18. Rf1 $18) 13... fxg4 14. Nxd4 Bxd4+ 15. Kh1 h5 (15... h6 16. Nxe6+ Bxe6 17. Rxe6) 16. Rxe6 Bf6 17. Qf1 Kg7 18. f5 $18 {SF16}) 13. Qxe2 (13. Rxe2 Ng4 14. Bxg4 fxg4 15. Nxe6+ Bxe6 16. Rxe6 h5 17. f5 $18 {SF16}) 13... e5 (13... Qe7 14. c3 (14. Nxe6+ Bxe6 15. Qxe6 Qxe6 16. Rxe6 Rd8 17. Bd2 $18) 14... Ng8 15. Bd2 Bd7 16. g4 $18 {SF16}) 14. c3 (14. fxe5 dxe5 15. c3 Bd7 16. Nf3 $18 {SF16}) 14... Bd7 (14... Bf6 15. Nf3 e4 16. dxe4 fxe4 17. Qxe4 d5 18. Qe2 Kg7 19. Be3 Qc7 20. Qd2 Rd8 21. f5 Nxf5 22. Bf4 Qb6 23. g4 $18 {SF16}) 15. Be3 b6 (15... Qe7 16. fxe5 dxe5 17. Nf3 Nf7 18. Bf4 $18 {SF16}) 16. Qf3 Rc8 17. Qd5 (17. fxe5 dxe5 18. d4 cxd4 19. cxd4 exd4 20. Bf4 $18 {SF16}) 17... Qf6 (17... Qe7 18. fxe5 dxe5 19. d4 Bc6 20. Qb3 Be8 21. Ne6+ Kg8 22. Bxe8 Rxe8 23. Nc7+ {SF16}) 18. fxe5 Qxe5 19. Qb7 Rd8 (19... Qe7 20. Bxc5 dxc5 21. Rxe7 Kxe7 22. Qd5 Rc6 23. Re1+ Kd8 24. Ne6+ Kc8 25. Nxg7) 20. Qc7 Qf6 (20... Bf6 21. Ne6+) 21. Bf4 Kg8 22. Re2 (22. Bxd6 {expected by Bl} Bf8 (22... Qxg5 23. Re7 $1 {SF16} (23. Be7 {seen by Bl} Qxh5 24. Bxd8 Bb5 25. a4 Ba6 26. a5)) 23. Bf4 b5 24. Nf3 (24. Bf3 Bc8 25. Bc6 a6 26. Re8 Rxe8 27. Bxe8 $18 {SF16})) (22. Bf3 Bf8 23. Bd5+ Kg7 24. Ne6+ $18 {SF16}) 22... Bf8 23. Rae1 (23. Bf3) 23... Ng4 {desperation} 24. Re6 Bxe6 25. Nxh7 $2 {Wh has forgotten about the R since it hadnt moved} (25. Rxe6 $18 {wins Q mating SF16}) 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.08"]
[Round "1.6"]
[White "Davis, Lee"]
[Black "Hurn, Robert AJ"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1927"]
[BlackElo "1544"]
[Annotator "User"]
[PlyCount "101"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.13"]

1. d4 Nf6 2. g3 d5 (2... e6 3. Bg2 d5 4. Nf3 Nbd7 5. O-O Be7 6. c4 dxc4 7. Qa4 O-O 8. Qxc4 c5 9. Rd1 Qb6 {Davis-Hurn, Tom Weston Major op 2007,1-0}) 3. Bg2 c5 4. Nf3 Nc6 5. O-O cxd4 6. Nxd4 e5 {main, but Dangeous to let Wh have a sharp Grunfeld variation , in which he has an extra tempo} (6... Bd7 7. c4 Nxd4 8. Qxd4 Bc6 9. Nc3 e6 10. Bg5 dxc4 11. Bxc6+ bxc6 12. Qxc4 Qb6 13. Bxf6 gxf6 14. Ne4 Be7 15. Rac1 {Davis-Whitelaw,S Wales Winter 2014,1-0}) 7. Nxc6 bxc6 8. c4 Be6 9. Nc3 h6 (9... Rc8) (9... Qd7) (9... Be7 {more frequent lines}) 10. Qa4 Qd7 11. cxd5 (11. Rd1 {also}) 11... Nxd5 (11... cxd5 12. Qxd7+ Kxd7 13. Rd1 {20 games, 88% for Wh}) 12. Rd1 {Cloud Engines} (12. Nxd5 cxd5 13. Qxd7+ Kxd7 14. Rd1 {Englert-Hofstetter, Bayern ch, Bad Kissingen 2018,1-0}) 12... Bc5 (12... Rb8 $16 {SF16 & Houdini6.02}) 13. Nxd5 (13. Ne4 Be7 14. Be3 O-O 15. Nc5 $16 {SF16}) 13... cxd5 14. Qxd7+ Bxd7 (14... Kxd7 15. Bxd5 Rad8 16. Bf3+ $16 {SF16}) 15. Rxd5 $18 Rc8 16. Rxe5+ Kf8 (16... Be6 17. Bb7 Rc7 18. Bd5 $18 {SF16}) 17. Be3 (17. Bd2 Bb6 18. Bb4+ Kg8 19. Bc3 {SF16}) 17... Bb6 18. Bxb6 axb6 19. Rd1 Bg4 20. b3 g6 21. h3 Be6 22. Rd2 Kg7 23. Rb5 Rc1+ 24. Kh2 Rhc8 (24... Rb8) 25. Rxb6 R8c2 26. Rbd6 Rc7 27. Bd5 Bc8 28. Be4 (28. Bc4) 28... Rf1 29. e3 Rfc1 30. Rd1 R1c3 31. g4 Ra7 32. R1d2 Rac7 33. Kg3 (33. b4 {Sf16}) 33... Rc1 34. Rd1 R1c3 35. R6d4 g5 36. Bd5 Rc2 37. R1d2 Rc1 38. Rc4 Rg1+ 39. Kh2 Rc1 40. Rxc7 Rxc7 41. Kg3 Ra7 42. a4 Bd7 43. Rc2 Kf6 44. Rc5 Kg7 45. a5 Be6 46. Bxe6 fxe6 47. b4 Kf7 48. Rc6 Ke7 49. a6 Kd7 50. b5 e5 51. Rxh6 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.08"]
[Round "1.7"]
[White "Morgan, David"]
[Black "Adams, Mark"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1524"]
[BlackElo "1898"]
[Annotator "User"]
[PlyCount "94"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.13"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 (6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Re1 Be6 10. Bd2 f6 {Vaidya-Adams, 4NCL 2019,1/2-1/2}) 6... Nc6 7. Nf3 Be7 8. a4 a5 9. O-O Be6 10. Nd2 $146 (10. Be3) (10. Nb5 {main lines}) 10... O-O $15 (10... Qd7 11. Nb5 h5 $17 {SF16}) 11. b3 Nd5 (11... Qd7 $15 {Cloud Engines}) 12. Nxd5 (12. Bb2 $11) 12... Bxd5 13. Bxd5 Qxd5 14. Bb2 Rad8 15. Nf3 (15. Nc4) 15... e4 $17 16. dxe4 Qxe4 17. Qe1 Bb4 18. Bc3 Bxc3 (18... Qc2) 19. Qxc3 Qxe2 $19 20. Qe3 (20. Rfe1) 20... Qxe3 21. fxe3 Rd3 22. Nd4 Nxd4 23. exd4 Rxd4 24. Rf5 b6 25. Raf1 c5 26. R1f3 f6 27. Re3 Kf7 28. Rff3 Re8 29. h4 Rxe3 30. Rxe3 c4 31. bxc4 Rxc4 32. Ra3 Ke6 33. Kf2 Kd5 34. Rb3 Rb4 35. Ra3 Kc5 36. Kf3 Kc4 (36... h5) 37. Ra1 Kb3 38. Rd1 Kxa4 39. Rd7 Kb3 40. Rd3+ (40. Rxg7 {is worth a try}) 40... Kc2 41. Rd7 a4 42. Rxg7 a3 43. Rxh7 Ra4 44. Rc7+ Kb2 45. Re7 a2 46. Re2+ Kb3 47. Re3+ Kb4 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.08"]
[Round "1.8"]
[White "Havard, Gwyn"]
[Black "Dodington, Russell H"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1848"]
[BlackElo "1435"]
[Annotator "User"]
[PlyCount "47"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.13"]

1. e4 Nf6 2. e5 Nd5 3. c4 (3. Nc3 Nb6 4. d4 d5 5. Nce2 e6 6. Ng3 c5 7. c3 Nc6 8. Nf3 Nd7 {Burgoyne-Dodington, S Wales New Year major, 2020,0-1 ( position otherwise reached via French or CaroKann)}) 3... Nb6 4. d4 d6 (4... e6 5. f4 d6 6. Nf3 Bd7 7. Nc3 Be7 8. Be3 O-O 9. Bd3 g6 10. Qc2 a5 11. h4 {Havard-G Davies, S Wales NY Major, Bridgend 2020,1-0}) 5. f4 (5. exd6 cxd6 6. Nf3 g6 7. Nc3 Bg7 8. Bg5 O-O 9. Be2 Nc6 10. O-O Bg4 11. d5 {Dineen-Dodington, WLS U1850 L, 2020,1/2-1/2}) 5... dxe5 6. fxe5 Nc6 (6... Bf5 7. Nf3 e6 8. Bd3 Bg4 9. Be4 Nc6 10. Bxc6+ bxc6 11. c5 Nd5 12. O-O Be7 13. Nc3 O-O {Havard-Quinn, S Wales Autumn Premier, Newport 2019,0-1}) 7. Be3 Bf5 8. Nf3 e6 9. Bd3 (9. Nc3 {3,686 games, 55% for Wh}) 9... Bb4+ (9... Bg4 {21 games, 29 % for Wh}) 10. Nc3 Bg6 $146 {though after this still analysis by Cloud Engines} (10... Bg4 $14 {24 games, 58% for Wh}) 11. O-O $16 Qd7 12. a3 (12. Ne2 {SF16}) 12... Bxc3 13. bxc3 Na5 14. Bxg6 hxg6 {Fritz13 & SF16 prefer taking back with} (14... fxg6) 15. c5 (15. Ng5 $18 {both Engines} Naxc4 (15... Rf8 16. d5 Naxc4 17. Bc5 $18) 16. Rxf7 Nxe3 17. Qf3 Qc6 18. Qxe3 O-O-O 19. Raf1 $18 {SF16}) 15... Nd5 16. Qd3 (16. Bd2) 16... Nxe3 17. Qxe3 O-O-O 18. Rab1 (18. Ng5 {both Engines} Rdf8 19. Rf3 Rh5 20. Raf1 Nc4 21. Qc1 Qe7 22. Nxf7 Rf5 23. Ng5 $18) 18... b6 19. Qe2 $18 Qd5 20. cxb6 (20. Ng5 f5 21. Nf7 $18) 20... axb6 21. Qa6+ (21. Ng5 $18) 21... Qb7 22. Qxb7+ Kxb7 23. Ng5 Nc4 24. Rxf7 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.08"]
[Round "1.9"]
[White "Cooke, Mark"]
[Black "Hughes, Anthony"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1413"]
[BlackElo "1838"]
[Annotator "User"]
[PlyCount "92"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.13"]

1. e4 c6 {no games available where Wh has faced the CaroKann} 2. d4 d5 3. e5 c5 4. c3 (4. Nf3 cxd4 5. Nxd4 Nc6 6. c4 e6 7. Nc3 Bb4 {R Van Kemenade-Hughes, WLS Seniors 2022,1-0}) (4. dxc5 e6 5. Nf3 Bxc5 6. a3 Nc6 7. b4 Be7 8. Bb2 Nh6 9. c4 {Adams-Hughes, WLS Seniors 2022,1-0}) 4... Nc6 5. Bb5 (5. Nf3 {main} cxd4 6. cxd4 Bg4 7. Be2 e6 8. a3 Qb6 9. b4 (9. Nbd2 {6-0-5}) 9... Bxf3 10. gxf3 Qxd4 11. Qxd4 Nxd4 12. Bd1 Rc8 $19 {Schulenburg-Hughes, Wld Seniors tm 50+,2018,1/2-1/2}) 5... Qb6 6. Bxc6+ bxc6 7. dxc5 Qxc5 8. Be3 Qa5 {0.5-3.5} (8... Qb5 {1-1-5}) 9. b4 Qc7 10. Nf3 (10. Bd4 a5 11. Ne2 e6 12. a3 Ne7 13. O-O Nf5 14. Nd2 Be7 15. Re1 O-O 16. Nb3 {Hlavac-Kalajzic, Bizovac Metalis op 2008,1/2-1/2}) 10... Bg4 (10... e6 $11 {SF16}) 11. Nbd2 e6 12. h3 (12. Qa4 $16 {SF16}) 12... Bh5 (12... Bxf3 13. Nxf3 Ne7 14. O-O Nf5 15. Bf4 Be7 $14 {SF16}) 13. O-O f6 (13... Ne7 $14) 14. Bd4 (14. Qa4 fxe5 15. Nxe5 Bd6 (15... Rc8 16. f4 Nf6 17. Qxa7 $18) 16. Nxc6 $18 (16. Qxc6+ $18)) 14... fxe5 15. Bxe5 Bd6 (15... Qxe5 16. Nxe5 Bxd1 17. Raxd1 Rc8 18. Nb3 $16 {SF16}) 16. Qa4 (16. Bxd6 Qxd6 17. Ne4 Qe7 18. Nc5 Nf6 19. g4 Bg6 20. Qd4 Ne4 21. Ne5 $16 {SF16}) 16... Bxe5 (16... Ne7 17. Rfe1 $16) 17. Nxe5 Ne7 18. Rfe1 O-O 19. Qc2 $11 {[Draw?]} (19. Nb3 a5 20. Nc5 Rf6 {SF16} 21. Rab1 $18) 19... c5 20. b5 (20. Qa4) 20... Rf6 21. f3 (21. Ndf3 $11) 21... Raf8 22. Nf1 Bg6 (22... Ng6 23. Qe2 Nf4 24. Qe3 Rf5 25. a4 Rg5 $15 {SF16}) 23. Qd2 (23. Qe2 $14) 23... Be8 (23... Bf5 $11) 24. a4 (24. Ng4 Rg6 25. a4 $16 {SF16} (25. Ne5 Rg5 26. a4 h6 27. Nh2 $14 {SF16})) 24... Qb6 25. Ng4 Rg6 26. Ne5 Rgf6 {[Draw?]} 27. Ne3 $16 h5 28. Nf1 {(Draw?]} (28. c4 Qd6 (28... d4 29. Nd1 Nf5 30. a5 $18) 29. Rad1 Bf7 (29... Qxe5 30. Nxd5 $18) 30. a5 Rd8 31. f4 $16 {SF16}) 28... Ng6 29. Nh2 (29. Qe3 d4 30. Qd3 Nf4 31. Qd2 dxc3 32. Qxc3 Nd5 33. Qc1 c4+ 34. Kh1 c3 35. Ne3 Qd4 36. Nxd5 exd5 37. Ra3 Re6 38. Qxc3 Qxc3 39. Rxc3 $14 {SF16}) 29... Rf5 (29... Nf4 30. Nf1 Rf5 31. Kh1 Qd6 32. Qe3 Rg5 33. Ra2 $11 {SF16}) 30. Nxg6 Bxg6 31. Qe2 $11 e5 32. a5 Qf6 33. Qd3 (33. Rad1) 33... d4 34. cxd4 (34. Qc4+ Kh7 35. Qxc5 Rd8 $11 {SF16}) 34... cxd4 (34... exd4 $19 {gives two connected passed pawns}) 35. Qe4 (35. b6 axb6 36. Qb3+ Kh7 37. Qxb6 Qxb6 38. axb6 R5f6 39. b7 Rb6 40. Rxe5 Rxb7 41. Rd1 d3 42. Nf1 $11 {SF16}) 35... Rg5 36. Qd5+ (36. Qc6 $11) 36... Kh7 37. Rac1 Rd8 38. Qc6 (38. Qa2) 38... Rd6 (38... Qf4 39. Rcd1 d3 $19 {SF16}) 39. Qb7 d3 $19 40. Rc6 e4 (40... d2 41. Rd1 e4) 41. Rxd6 Qxd6 42. Qxa7 d2 43. Rd1 Qd3 (43... Rc5 44. Nf1 Rc1 {alternative}) 44. Qf2 (44. Nf1 Qe2 45. Qf2 Qxd1) 44... e3 45. Qh4 e2 46. Qa4 e1=Q+ 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.1"]
[White "Miles, Richard"]
[Black "Davis, Lee"]
[Result "1/2-1/2"]
[ECO "E99"]
[WhiteElo "1967"]
[BlackElo "1927"]
[Annotator "User"]
[PlyCount "56"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.13"]

{[%evp 0,24,26,10,28,-16,37,37,37,44,44,44,44,44,46,29,63,54,58,57,57,57,57,40,62,57,62]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 {Mar del Plata var} 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 {main} (11. exf5 gxf5 12. f4 e4 13. Nf2 Nc5 14. Be3 Ng6 15. Kh1 Qe7 16. Qd2 a5 17. g3 Rf7 18. Rg1 Bd7 19. b3 b6 20. h3 Re8 21. Kh2 Nb7 22. Rac1 {Miles-Davis, WCPl 2023,draw agreed [ only game between these two in the record]}) 11... Nf6 12. f3 Bd7 13. b4 (13. c5 {8 Wh wins, 1 draw}) 13... f4 14. c5 (14. a4 g5 15. a5 h5 16. Nf2 Rf7 17. c5 Bf8 18. Qb3 Kg7 19. Rfc1 Neg8 {Hufelschulte-Greger, NRW Verbandsliga 2013, 1/2-1/2 ( 66)} 20. c6 $18) 14... g5 15. Nf2 a6 16. a4 (16. b5 axb5 17. cxd6 cxd6 18. Qb3 $16 {SF16}) 16... h5 (16... b6 $5 {SF16}) 17. h3 {provides Bl with a hook to open the K side} (17. b5 $16 {SF16}) 17... Qe8 (17... Rf7 18. a5 Bf8 19. Qb3 Qe8 20. Rfc1 g4 21. fxg4 hxg4 22. hxg4 Rg7 23. cxd6 cxd6 24. Na4 Qg6 25. Nb6 Bxg4 $14 {SF16}) 18. cxd6 cxd6 19. b5 Qg6 20. bxa6 bxa6 21. a5 (21. Rb1 {is a little better it appears?} Rf7 22. Rb6 g4 23. fxg4 hxg4 24. hxg4 Bf8 25. Bf3 Qh6 26. Qe2 Ng6 27. Rfb1 Nh4 {sF16}) 21... g4 22. hxg4 hxg4 23. fxg4 Kf7 (23... Bh6 $1 24. Na4 Bb5 25. Bxb5 axb5 26. Nb6 Ra7 27. Bb4 Rd8 28. Ra3 Bg5 29. Rh3 Nxe4 30. Nxe4 Qxe4 31. Qb1 Qxb1 32. Rxb1 Kf7 $11 {SF16}) 24. Rb1 (24. Na4 Nc8 (24... Ra7 25. Nb6 Bb5 26. Bxb5 axb5 27. Qe2 Bh6 28. Ra3 Bg5 29. Rh3 $18) 25. Nb6 Nxb6 26. axb6 Rh8 27. Qb3 Qh6 28. Qh3 Qg6 29. Qf3 Bf8 30. b7 Rb8 31. Rab1 $18 {SF16}) 24... Ra7 25. Rb6 Nc8 26. Rb4 (26. Rxa6 Rxa6 27. Bxa6 Rh8 28. Be2 Bf8 29. Bf3 Qh7 30. Nh3 Rg8 31. Qe2 Bxg4 32. Bxg4 Nxg4 33. Qf3 Ke8 34. Rc1 $18 {SF16}) 26... Rh8 (26... Bh6 27. Na4 Bg5 28. Nb6 Bb5 29. Bxb5 axb5 30. Qc2 Ne7 31. Rxb5 Bh4 32. Nc4 Kg8 33. Be1 $14 {SF16}) 27. Na4 (27. Bf3 Qh7 28. Re1 $16 {SF16}) 27... Qh7 28. Nh3 Qg6 (28... Qg6 29. Rb8 Bxg4 30. Bxg4 Nxg4 31. Qb3 Rc7 32. Nb6 Na7 33. Rxh8 Bxh8 34. Na8 Re7 35. Qb8 Bf6 36. Nc7 Qxe4 $11 37. Ne6 Qxd5 38. Bxf4 Rxe6 39. Ng5+ Kg7 40. Nxe6+ Qxe6 41. Qxa7+ Kg6 42. Bg3 e4 $11 {SF16- typically obscure engine complications}) 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.2"]
[White "Adams, Mark"]
[Black "Saunders, Walter NR"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1898"]
[BlackElo "1943"]
[Annotator "User"]
[PlyCount "40"]
[EventDate "2023.09.08"]
[SourceVersionDate "2023.09.13"]

{[%evp 0,20,50,19,99,77,114,104,88,66,94,96,107,52,60,25,44,7,62,41,15,-96,13]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Be3 (6. Bd3 {main}) 6... Nd7 7. a3 Bb7 8. Be2 (8. Bd3 {main} c5 {9% for Wh}) 8... c5 {27% for Wh} 9. O-O Ngf6 10. Nd2 {0.5-5.5} (10. dxc5 Ng4 {1-2}) 10... O-O (10... Ng4 $1 11. Bxg4 cxd4 12. Bxd4 (12. Bxd7+ Qxd7 13. Bxd4 Bxd4+ 14. Kh1 O-O $19 {Mallee-Buchal, GER ch 55, Menden 1974,1/2-1/2} (14... Rc8 $1 $19)) 12... Bxd4+ 13. Kh1 O-O $17 {Curdo-Burnett, New Hampshire 1999,0-1}) 11. Bf3 (11. dxc5 Nxc5 $11 {SF16, though 0.5-2.5}) 11... cxd4 (11... Ng4 $19 12. Bxg4 cxd4 13. e5 dxc3 14. Nb3 cxb2 15. Rb1 Nb6 16. Na5 Bd5 {Atabek-Suttles, corr Finland 1977,0-1}) 12. Bxd4 e5 13. fxe5 (13. Be3 {Ngo (2421)-Nguyen (1945), VIE Hanoi cup 2021, 0-1}) 13... dxe5 14. Be3 Qc7 {SF16} (14... Nb6 15. Qe2 $11 {Ligezinski-Boehm, AUT ch tm ,1996 0-1}) 15. Qe2 Rac8 16. Rac1 Nc5 17. Qf2 Ne6 (17... Qe7 $15) 18. g3 (18. Nb3 $11 {SF16}) 18... Qe7 (18... Nd4 $17 {SF16}) 19. Nb3 Rfd8 (19... Rxc3 20. bxc3 Nxe4 21. Qg2 f5 $17 {SF16}) 20. Rfd1 h5 $17 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.3"]
[White "Van Kemenade, R."]
[Black "Havard, Gwyn"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1934"]
[BlackElo "1848"]
[Annotator "User"]
[PlyCount "46"]
[EventDate "2023.09.12"]
[SourceVersionDate "2023.09.12"]

{[%evp 0,17,24,-33,-33,-25,-19,-51,-52,-52,-47,-56,-57,-45,-41,-36,-25,-13,-9,-11]} 1. f4 d5 2. Nf3 Bf5 3. d3 Nf6 4. g3 e6 5. Bg2 Bc5 6. e3 O-O 7. O-O Nc6 (7... c6 {main} 8. h3 h6 {Van Kemenade-Fritsch,EU Seniors 2011,0-1} (8... Qb6 {Van Kemenade-Fritsch, EU Seniors,2012,1-0})) 8. h3 h5 (8... h6 {3-1-1}) 9. a3 $14 {second line SF16} (9. Nh4 Qe7 $11 10. Kh2 Rad8 11. Qe2 Bh7 12. Nd2 e5 13. f5 {Hevesi-Balsai,Fuzesabony op 2004,1-0}) (9. Kh2 $14 {SF16}) 9... Qe7 10. Ne5 (10. b4 Bb6 11. Kh2 a5 12. b5 Na7 13. Nc3 $14 {SF16}) 10... Bd6 (10... Nxe5 11. fxe5 Nd7 12. Qxh5 Bb6 13. Nc3 c6 14. Kh2 Bg6 15. Qe2 Nxe5 16. e4 Bh7 $15 {SF16}) 11. d4 (11. Nxc6 bxc6 12. Nc3 e5 13. e4 $16 {SF16}) 11... Be4 (11... Ne4 12. Kh2 h4 13. g4 Bh7 14. c4 Bxe5 15. cxd5 exd5 16. dxe5 Rad8 17. Nd2 Ng3 18. Re1 d4 $11) 12. Nd2 (12. Rf2 Bxg2 13. Rxg2 Qd8 14. g4 Ne7 15. Nc3 $11 {SF16}) 12... Bxg2 13. Kxg2 g6 {weakens K side} (13... Qe8 $1 14. c4 Ne7 15. c5 Nf5 16. Qe1 Bxe5 17. dxe5 (17. fxe5 Nh7 18. Nf3 f6 19. e4 dxe4 20. Qxe4 Qg6 21. Qf4 Ng5 $17) 17... Ne4 18. Nxe4 dxe4 19. g4 Nh6 20. Qg3 (20. Bd2 hxg4 21. hxg4 Nxg4 22. Bc3 Rd8 23. Qg3 f5 24. exf6 Qg6 25. Rg1 gxf6 26. Kf1 f5 $17) 20... Rd8 21. b4 Qa4 22. f5 Rd1 23. Bb2 Rd2+ 24. Rf2 Qc2 25. Rxd2 Qxd2+ 26. Qf2 Qxf2+ 27. Kxf2 hxg4 28. hxg4 Nxg4+ 29. Ke2 exf5 30. Rd1 g5 31. Rd7 Rc8 32. e6 fxe6 33. Rg7+ Kf8 34. Rxg5 Rd8 35. Bd4 a6 36. a4 Rd5 $19 {SF16}) 14. c4 $14 (14. b3 Qe8 15. c4) 14... Bxe5 15. fxe5 (15. dxe5 {looked at in pm} Ne4 16. cxd5 {SF16} (16. Nxe4 dxe4 17. Qc2 Rad8 18. Qxe4 a5 $11 {SF16}) 16... exd5 17. Nxe4 dxe4 18. Qa4 Rfd8 19. Qxe4 Qe6 $11 {SF16}) 15... Ne4 (15... Nh7 16. Nf3 Qd7 17. Qc2 f5 18. exf6 Rxf6 19. Bd2 $14 {SF16}) 16. Nxe4 (16. cxd5 exd5 17. Nxe4 dxe4 18. Bd2 $16 {SF16}) 16... dxe4 17. Qc2 (17. Rf4 {alternative considered by Wh & pm analysis} f5 18. exf6 Rxf6 19. Rxe4 (19. Bd2 e5 20. dxe5 Nxe5 21. Bb4 Qf7 22. Rxf6 Qxf6 23. Qd5+ Qf7 24. Qxe4 $14 {SF16}) 19... Raf8 20. Rf4 g5 21. Rxf6 Qxf6 22. Qe2 {pm analysis} Qg6 23. Kh2 g4 24. Bd2 Qe4 25. Qg2 Qd3 26. Re1 Rf3 27. Bc3 Qe4 (27... Rxe3 28. Rxe3 Qxe3 29. d5 $11) 28. d5 exd5 29. cxd5 Ne7 30. Rf1 Kf7 31. Rxf3+ gxf3 32. Qd2 Nf5 $17) (17. Rf6 $1 {found by Bl's Engine} Nb8 18. Qc2 Nd7 19. Rf1 f5 20. exf6 Rxf6 (20... Nxf6 21. Bd2 a5 22. Rf4 Rf7 23. Raf1 b6 24. b4 $16) 21. Bd2 Raf8 22. Qxe4 $16 {SF16}) 17... f5 18. exf6 Rxf6 19. Rxf6 (19. Qxe4 {SF16} Raf8 (19... Rxf1 $2 20. Qxg6+ $18) 20. Bd2 Qf7 21. Rxf6 Qxf6 22. Kh1 $16 Ne7 (22... Kh7 23. Rg1 Qf2 24. Qg2 $16)) 19... Qxf6 20. Qxe4 Rf8 21. Qf4 Qg7 22. Qe4 (22. Qh4 e5 $17) 22... Qf7 23. Qf4 (23. Bd2 Qf2+ 24. Kh1 Qxd2 25. Qxg6+ $11) 23... Qg7 {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.4"]
[White "Hughes, Anthony"]
[Black "Morris, Charles F"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1838"]
[BlackElo "2029"]
[Annotator "User"]
[PlyCount "34"]
[EventDate "2023.09.12"]
[SourceVersionDate "2023.09.13"]

{[%evp 0,28,40,-26,-6,-6,-21,-16,-16,-44,-32,-40,1,1,11,3,40,18,39,23,24,24,43,38,38,34,37,21,46,33,29]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. Qc2 c6 9. Nge2 Re8 10. O-O Nf8 11. f3 h6 (11... Be6) (11... Ng6 {main lines}) 12. Bh4 Ne6 13. Rae1 (13. Rad1) (13. Bf2 {main}) 13... c5 14. Bb5 (14. Kh1 $11 {main, 4-1}) 14... Bd7 (14... Rf8 15. Bxf6 Bxf6 16. dxc5 a6 17. Ba4 Nxc5 18. Rd1 Nxa4 19. Qxa4 Qb6 20. Nxd5 Qxb2 $11 {Svoboda-Kopera, SVK ch U16 , Ivanka pri Dunaji ,1999,1-0}) 15. Qa4 Nc7 (15... Bxb5 16. Qxb5 b6 $11 {SF16}) 16. Bxd7 (16. Bxf6 Nxb5 17. Bxe7 Qxe7 18. Nxd5 Qg5 19. e4 Bc6 20. Qb3 cxd4 21. Nef4 Rad8 22. Rd1 $11 {SF16}) 16... Nxd7 17. Bxe7 Qxe7 $11 {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.5"]
[White "Thomas, Mark"]
[Black "Phillips, William"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "1724"]
[BlackElo "1819"]
[Annotator "User"]
[PlyCount "171"]
[EventDate "2023.09.13"]
[SourceVersionDate "2023.09.13"]

1. e4 e5 2. Bb5 {Portuguese opening} a6 3. Ba4 Nc6 {offering a Ruy, but Wh has other ideas} 4. f4 {5-1} exf4 5. Nf3 d5 (5... g5 $17 {SF16- yet 2-0}) 6. exd5 Qxd5 7. Nc3 Qh5 8. O-O Bd6 (8... Nge7 9. Qe1 Bd7 10. d4 O-O-O 11. Bxf4 $11 {SF16}) 9. d4 (9. Ne4 $14) 9... Nge7 (9... Nf6) 10. Ne4 O-O 11. Nxd6 cxd6 12. Bxf4 $16 d5 13. c3 Ng6 14. Bg3 Bg4 15. Qd2 Bxf3 (15... Na5 16. h3 Bxf3 17. Rxf3 Nc4 18. Qf2 f5 19. Bc2 $16 {Sf16}) 16. Rxf3 $18 Nh4 17. Rf2 Nf5 18. Bf4 (18. Bd1 Qh6 19. Bf4 Qe6 20. Bg4 Rfe8 21. Bg5 g6 22. Qd3 $18 {SF16}) 18... Rad8 19. Raf1 (19. Bd1 $1 $18) 19... Nd6 20. Bxd6 Rxd6 21. Rf5 Qh6 22. Qxh6 $18 gxh6 23. Bb3 (23. Rf6) 23... Ne7 24. Rf6 Re6 25. c4 (25. Bc2 Re2 26. R6f2 Re6 27. Bd1 $18 {SF16}) 25... Kg7 26. R6f3 f6 27. cxd5 Rd6 28. Rg3+ Kf7 (28... Kh8 29. Rh3 Kg7) 29. Rc1 (29. Re3 Rfd8 30. Re6 f5 31. Rfe1 R8d7 (31... Nxd5 32. Rxd6 Rxd6 33. Re5 $18) 32. Kf2 Ke8 33. R1e5 Kd8 34. Ke3 $18 {SF16}) 29... Rc8 30. Rgc3 Rxc3 31. Rxc3 (31. bxc3 $18 {may be better to get running pawns ?}) 31... b6 32. Rc7 $18 f5 33. Kf2 Kf6 34. Ke3 b5 35. g3 a5 36. a3 Nxd5+ 37. Bxd5 Rxd5 38. Rc6+ Kg5 39. Rc5 Rxc5 (39... Rd6 40. Rxb5 Re6+ 41. Kf3 Re4 42. Rxa5 Rxd4 43. Rb5 $18) 40. dxc5 $18 Kf6 41. b4 (41. Kd4 {keeps K back, and runs Bl out of moves} Ke6 42. h4 h5 43. b3 h6 44. b4 a4 45. c6 Kd6 46. c7 Kxc7 47. Kc5 {SF16}) 41... axb4 42. axb4 Ke5 43. Kd3 h5 44. h4 Kd5 45. Ke3 Ke5 46. Kf3 h6 47. Ke3 Kd5 48. Kf4 Ke6 49. c6 Kd6 50. Kxf5 Kxc6 51. Kg6 Kd5 52. Kxh5 Kc4 53. Kxh6 Kxb4 54. g4 {loses a tempo} (54. Kg5 $1 $18 Kc4 55. Kf4 $1 {certainly not a straightforward idea to find- 'simple' K & P endings contain any number of tricky momoves to play absolutely precisely} (55. h5 b4 56. h6 b3 57. h7 b2 58. h8=Q b1=Q $11) 55... b4 {threatens to get in front of the pawn, so forces Bl to c3} 56. Ke3 $1 Kc3 57. h5 b3 58. h6 b2 59. h7 b1=Q 60. h8=Q+ Kc4 {and because of the proximity of the K, Wh can force a Q swap!} 61. Qd4+) 54... Kc3 (54... Kc5 $1 $11 {so no check if h pawn gets in}) 55. Kg5 (55. g5 b4 56. g6 b3 57. g7 b2 58. g8=Q b1=Q $11) 55... b4 56. h5 b3 57. h6 b2 58. h7 b1=Q 59. h8=Q+ Kd2 {Tablebases give this as a draw, but clearly Wh retains winning chances if Bl misses the correct defence} 60. Qd4+ Ke2 {the K needs to get as far away from its own Q as possible, so as not to get in the way of the Q checking} 61. Qc4+ Kd2 (61... Kf2) 62. Kf4 Qb8+ 63. Kf3 Qb7+ 64. Kg3 Qg7 65. Qf4+ Kd3 66. g5 Qa1 $2 (66... Kc2 $11) (66... Qe7 $11) 67. Kg4 $18 (67. Qf5+ $1 Kd2 68. g6 $18 {TB}) 67... Qg7 68. Qf5+ (68. Qf6) 68... Ke3 69. Qe6+ Kd3 70. Qf6 Qa7 71. Kf5 $2 (71. g6 $18 {TB}) 71... Qb7 $2 (71... Qf2+ 72. Kg6 Qh4 $11) (71... Kc2 72. g6 Qf2+ $11 {both TB}) 72. Kg6 $2 (72. Qd6+ {mate in 66, TB}) 72... Ke4 $2 (72... Kc2 $11 {keep away, don't get in the way of the Q}) 73. Qf5+ (73. Kh6 {mate in 69}) 73... Kd4 $11 74. Qf7 Qe4+ 75. Kg7 Kc5 76. g6 $11 {still} Kc6 $2 (76... Kb4 $11 {only move}) 77. Kg8 {mate in 46} Kd6 78. g7 Kc5 79. Qh5+ (79. Qf6 {best}) 79... Kd6 80. Kh8 Qd4 81. Kh7 Qa7 82. Qh4 (82. Qg6+ Kd5 83. Kh6 Qe3+ 84. Qg5+ {is simplest-TB}) 82... Ke6 83. Kh8 (83. Qg4+ $1 Kd5 84. Kh6 Qb6+ 85. Qg6 Qe3+ 86. Qg5+) 83... Qa1 84. Qh5 Qf6 (84... Ke7 {mate in 18}) 85. Kh7 {mate in 10} Qe7 86. Qe2+ {not the easiest of endgames for either player} 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.6"]
[White "Batey, Richard"]
[Black "Van Kemenade, J."]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2044"]
[BlackElo "1670"]
[Annotator "User"]
[PlyCount "17"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.10"]

{[%evp 0,7,28,18,83,86,74,62,50,48]} 1. e4 d6 2. d4 Nd7 3. f4 Ngf6 (3... e5) 4. Nc3 (4. e5 Ne4 {Cloud Engines} 5. Nf3 (5. Bd3 d5 6. Nf3 {Kwiecinski-Tusk,POl ch tm 1999,1-0}) 5... d5) 4... e5 5. Nf3 c6 {Wh now spent more than 35 minutes thinking} (5... exd4 6. Qxd4 c6 {main} 7. Be3 d5) 6. fxe5 (6. dxe5 dxe5 7. fxe5 Ng4 8. e6 (8. Bf4 Bc5 9. Qd2 Qe7 (9... Bf2+ 10. Ke2 Qb6 (10... Bb6 11. h3 Nh6 12. Rd1 $16) 11. h3 $18 {Marcotulli-Wiander, Wld ch ICCF 2008,1-0})) 8... fxe6 9. Ng5 Nde5 10. Qxd8+ Kxd8 11. h3 Nh6 12. Bf4 Nhf7 13. O-O-O+ Ke7 {67 for Wh}) 6... dxe5 7. Nxe5 $146 (7. dxe5 Ng4 8. e6) 7... Nxe5 8. dxe5 Qxd1+ 9. Nxd1 $11 {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.7"]
[White "Quinn, Peter"]
[Black "Morgan, David"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "1645"]
[BlackElo "1524"]
[Annotator "User"]
[PlyCount "103"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.14"]

1. e4 c5 2. Nf3 g6 {Hyper-accelerated Dragon} 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. Nc3 Nf6 7. f3 {Wh needs to be careful with move order here} (7. Bc4 {main}) 7... O-O 8. Bc4 (8. Qd2 d5 {30 % for Wh ,4179 games}) 8... Qb6 9. Qd2 (9. Bb3 Nxe4 {910 games}) 9... Nxe4 {566 games} 10. fxe4 Bxd4 11. Bxd4 Qxd4 12. Qxd4 Nxd4 13. O-O-O {17 % for Wh, 192 games} Nc6 14. Nd5 Kg7 15. Bb5 {6% for Wh,16 games} (15. Rhf1 {15% for Wh, 27 games}) 15... e6 (15... Rb8 {also}) 16. Ne3 {0-3} Ne5 (16... a6 {0-2}) 17. h3 (17. Nc4 Nxc4 18. Bxc4 a6 19. a4 Rb8 {Haie-Jablonski, Paris Apsap op 2002,0-1}) 17... a6 18. Ba4 b5 19. Bb3 Bb7 $19 20. Rd4 Bc6 (20... h5 $19 {SF14.1 & 16}) 21. Rhd1 f5 {mobilizes a centre, but eliminates a Wh weakness} (21... h5) 22. exf5 gxf5 23. g3 d5 24. c3 Be8 (24... Rf6 {both Engines}) 25. Rf1 Bh5 26. a3 Be2 27. Rh1 Bf3 28. Rf1 Be4 29. Bc2 Nf3 30. Rb4 Ng5 (30... Ne5) 31. h4 Bxc2 32. Kxc2 Ne4 {Bl does have a centre, but it looks a bit static} 33. Rf3 Rfd8 34. a4 $17 Nd6 (34... h5 {both engines, keep a lid on g3 pawn}) 35. axb5 (35. g4 $1 {both SF} fxg4 36. Rxg4+ Kh8 37. Rf6 Re8 38. a5 $11 {Wh has generated piece activity}) 35... axb5 (35... a5 36. Ra4 h5 $17 {both SF}) 36. g4 Nc4 $2 (36... fxg4 37. Rxg4+ Kh8 $11) 37. gxf5 Nxe3+ 38. Rxe3 exf5 39. Rxb5 $14 d4 (39... Rab8 {SF14.1}) (39... Ra4 {SF16}) 40. Rb7+ (40. Rg3+ Kf6 41. Rf3 $18) 40... Kf6 41. cxd4 (41. Rb6+ Kg7 42. Rg3+ Kf7 43. Rf3 Ra5 44. c4 $16 {SF16}) 41... Rxd4 42. Rxh7 $11 Raa4 (42... Kg6) 43. Rh6+ Kg7 44. Rh5 Rac4+ 45. Rc3 Rxh4 (45... Kg6 $11) 46. Rxf5 $18 {because the B K is unable to get in front of the pawn on time} Kg6 47. Rc5 $11 (47. Rxc4 Rxc4+ 48. Kb3 Rc7 49. Rf2 $18 {and obtains a Lucena position}) 47... Rb4 48. Rc6+ Kf7 49. Rc7+ Ke6 50. R7c6+ Kd7 51. Rc7+ Kd6 52. R3c6+ 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.8"]
[White "Dodington, Russell H"]
[Black "Thomas, Roy"]
[Result "0-1"]
[ECO "A83"]
[WhiteElo "1435"]
[BlackElo "1641"]
[Annotator "User"]
[PlyCount "64"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.14"]

1. d4 (1. e4 {main move for Wh}) 1... f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 e6 (4... Nc6) (4... g6 {main lines}) (4... c6 {2-1 Thomas}) 5. Nxe4 Be7 6. Bxf6 {main, Bl has to be careful as his K side can become vulnerable} (6. Nxf6+ Bxf6 7. Bxf6 Qxf6 8. Nf3 O-O {Summers-Thomas, Tom Weston Major op 2016,1/2-1/2}) 6... Bxf6 7. c3 (7. Nf3 {main} O-O 8. Bd3 Nc6 9. c3 b6 10. Qc2 (10. Qe2 a5 11. h4 {Hurn-Thomas, S Wales Int 2023,0-1}) 10... h6 11. h4 {Hughes-Thomas, Tom Weston Major op 2017,1-0}) (7. Qh5+ g6 8. Qh6 Qe7 9. Nxf6+ Qxf6 10. Nf3 Qf8 11. Qd2 b6 12. d5 Qf6 13. O-O-O {Braun-Thomas,S Wales Autumn, Pencoed 2015,1-0}) 7... O-O 8. Bd3 d5 9. Ng3 (9. Nxf6+ Qxf6 10. Nf3 c5 {Cloud Engines; 6-3-2} (10... Nc6 {transposes to 83 games, 71% for Wh})) 9... Qe8 (9... Bg5 10. Nf3 Bh6 11. Ne5 (11. Qc2 $18 g6 $2 12. Bxg6 hxg6 13. Qxg6+ Bg7 14. Nh5 Qe7 15. Ng5 $18) 11... Nc6 12. Ng4 Bg5 13. Qc2 g6 14. h4 (14. Bxg6) 14... Bxh4 (14... Bf4 15. Ne2 $11) 15. Bxg6 $18 {Malanowski-Felix,Curitiba Terzian mem 2014,1-0}) (9... c5 $15 {Cloud Engines}) 10. Qc2 g6 11. Nf3 e5 {slightly plus for Wh, SF16; = Fritz13} (11... c5 $11 {SF16}) 12. dxe5 Bxe5 (12... Nd7 {keeps the B to protect the K}) 13. O-O Bxg3 14. fxg3 $18 (14. hxg3 {also winning, but less than the text}) 14... Bf5 15. Qb3 $2 (15. Bxf5 Rxf5 16. Qd2 Qc6 17. g4 Rf7 18. Nd4 Rxf1+ 19. Rxf1 $18 {SF16 with an attack}) (15. Rae1 $1 Qb5 (15... Bxd3 16. Qxd3 Qd8 17. Ne5 Na6 18. Ng4 $18) 16. Ne5 Qc5+ 17. Kh1 Nc6 18. Bxf5 Nxe5 19. Rxe5 Qd6 20. Qe2 Rxf5 21. Rfxf5 gxf5 22. Re6 (22. Rxf5 $18) 22... Qf8 23. Qe5 $18 {Bl will be unable to safe his K from the draught}) 15... Qe3+ 16. Kh1 Qxd3 $19 17. Qxb7 Nd7 18. Rfd1 Qc4 19. b3 Qc5 20. Qxd5+ Qxd5 21. Rxd5 Nf6 22. Rc5 Rf7 23. Nd4 Ne4 24. Nxf5 Nxc5 25. Nh6+ Kg7 26. Nxf7 Kxf7 27. Rd1 Ke7 28. Kg1 Rd8 29. Rxd8 Kxd8 30. Kf1 Ne4 31. c4 c5 32. Ke2 Nc3+ 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "2.9"]
[White "Hurn, Robert AJ"]
[Black "Cooke, Mark"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1544"]
[BlackElo "1413"]
[Annotator "User"]
[PlyCount "120"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.14"]

{[%evp 0,120,25,5,128,5,64,59,71,61,113,75,118,84,82,69,92,56,66,50,85,65,80,25,32,49,45,35,38,-5,31,0,44,28,43,42,15,40,53,46,105,81,94,58,51,48,106,82,183,122,120,66,4,-55,-9,-241,-242,-251,-245,-245,-211,-423,-254,-254,-251,-272,-266,-320,-297,-329,-322,-329,-255,-315,-290,-339,-388,-536,-239,-275,-311,-316,-329,-372,-317,-368,-303,-296,-288,-335,-338,-386,-389,-404,-401,-418,-395,-425,-435,-435,-403,-415,-389,-496,-369,-430,-465,-490,-361,-458,-492,-524,-586,-586,-497,-593,-593,-791,-831,-907,-925,-1116,-1155]} 1. d4 c6 2. c4 d6 3. Nc3 h6 4. e4 e6 {8-0-0} (4... g5 {6-1-8}) 5. Nf3 Ne7 6. Bd3 Nd7 7. Qe2 a6 {so far a variant of a Hippopotamous, except that usually both Bs get fianchettoed} 8. a4 e5 9. d5 c5 {now it has transposed to a Czech Benoni} 10. Be3 Ng6 11. g3 Be7 12. h4 $18 {Bl is short of space} Nf6 13. h5 (13. Nh2 $18 {SF15- pushing the pawn , gains space, but might allow Bl a bit of play later on the bl squares}) 13... Nf8 14. Nh2 Bd7 15. g4 N6h7 16. Kd2 (16. f4 Bh4+ 17. Kd2 Bg3 18. Rag1 exf4 19. Rxg3 fxg3 20. e5 dxe5 21. Ne4 Qa5+ 22. Kc1 O-O-O 23. Nd6+ Kb8 24. Nxf7 gxh2 25. Nxh8 $16 {SF16}) 16... Qc7 (16... Bg5 $14 {SF16}) 17. f4 {a drawback of Wh's break is that all but one of his pawns are now on wh squares, thus making the B on d3 inactive. Hence SF moves to exchange it off on a4.} (17. a5 Bg5 18. Bc2 Rb8 19. Nf1 $16 {SF16}) 17... exf4 18. Bxf4 f6 $6 {the natural move is} (18... Bg5 {when in a cramped position it makes sense to swap off some pieces, so the remaining ones can move more freely. The bl B is bad as it is, and the pawn move of the text makes it worse.Also keeping the pair of Ns (rather than Ng5) are preferable in a blocked position.}) 19. Rhg1 O-O-O $2 {The K is more vulnerable on the Q side which can be opened than in the blocked centre} 20. a5 $18 (20. b4 cxb4 21. Nb5 $18 {SF16}) 20... Ng5 21. Rgb1 {the N can be left as it is not threatening anything. If instead Bl had exchanged the B one7 for Wh's B, then a R could add some pressure on the e file ( Bl's K would be quite safe posted at f7 as well)} Be8 22. b4 Nh3 23. Be3 g5 (23... f5 {is a suggestion of SF16- to at least get the KB into the game} 24. exf5 Bf6 25. Nf3 Nh7 {though then it continues} 26. bxc5 dxc5 27. Qh2 Qxh2+ 28. Nxh2 N3g5 29. Re1 Bd7 30. Bxc5 $18 {SF16-and Wh gets to the K via the centre pawn push}) 24. bxc5 (24. b5 {SF16, when if} f5 25. e5 f4 26. bxa6 fxe3+ 27. Qxe3 bxa6 28. Rb6 {and in effect is several pices up, as the KR ,KB and Ns will not be able to contribute much to the defence of the K}) 24... dxc5 25. Rb6 (25. e5 $1 {a sweeper ( Kmoch) gives Wh's pieces access to e4 and f5-SF16}) 25... Nd7 26. Rb2 Nf4 27. Qf2 (27. Bxf4 Qxf4+ 28. Kc2 Ne5 29. Rab1 Rd7 30. Rf1 Qg3 31. Nf3 Nxg4 32. e5 Bxh5 33. e6 Rc7 34. Qd2 Rf8 35. Ne4 Qf4 36. Qxf4 gxf4 37. Kc1 Ne3 $11 {SF16}) 27... Nxd3 28. Kxd3 Ne5+ $19 29. Ke2 Nxc4 30. Rb3 Nxa5 (30... Nxe3 $1 31. Qxe3 Qxh2+ $19 {is even stronger}) 31. Rbb1 Nc4 32. Bc1 Bd6 (32... Rd6 33. Nf1 Rb6 {SF16- removes some of the pressoff the K}) 33. Nf1 Bd7 34. Qg2 Be5 35. Rb3 Bxc3 (35... Rhe8 $1 {brings the last inactive piece into play, while retaining all other threats}) 36. Rxc3 Bb5 (36... Qe5 {at once is also very strong}) 37. Ke1 Qe5 38. Qg3 (38. Qc2 Rhe8 $19) 38... Rhe8 (38... Qxe4+ 39. Be3 Qxd5 $19) 39. Qxe5 Rxe5 40. Ng3 Rdxd5 41. Kf2 Rd8 (41... Rd1) 42. Be3 Nxe3 (42... b6 {also}) 43. Kxe3 Rde8 44. Rd1 Kc7 45. Rdc1 b6 {the 3 connected Q side pawns should be able to advance soon} 46. Re1 Bc6 47. Kd3 b5 48. Ra3 b4 49. Ra2 Bb5+ 50. Ke3 Rd8 51. Kf2 b3 52. Rb2 c4 53. Nf5 Rde8 54. Kf3 a5 55. Nxh6 a4 56. Nf7 a3 57. Rh2 R5e7 58. Nxg5 fxg5 59. h6 Bc6 60. Rhe2 a2 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.1"]
[White "Havard, Gwyn"]
[Black "Miles, Richard"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1848"]
[BlackElo "1967"]
[Annotator "User"]
[PlyCount "117"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.14"]

{[%evp 0,19,28,11,100,88,79,35,51,26,62,34,34,34,34,34,40,10,54,56,56,47]} 1. e4 c5 2. Nc3 Nc6 3. f4 e6 (3... g6 4. Nf3 Bg7 5. Bc4 e6 6. d3 Nge7 7. Be3 $2 d5 {Havard-Jukes, Welsh Open, Cardiff 2022,0-1 ( 32 other games)}) 4. Nf3 Nge7 (4... d5 5. Bb5 {main} Nge7 6. exd5 exd5 7. Qe2 a6 8. Bxc6+ bxc6 9. d3 g6 10. O-O Bg7 11. Re1 Ra7 12. Qf2 O-O {Neil-Miles, 4NCL 2003,1/2-1/2}) 5. d4 {main} cxd4 6. Nxd4 Nxd4 7. Qxd4 Nc6 8. Qf2 d6 {7-2-1} (8... d5 {209 games, 47% for Wh}) 9. Be3 Be7 10. Rd1 $146 (10. O-O-O {4-2}) (10. Be2 O-O 11. O-O Qc7 {Gundogan-Can, TUR ch tm 2012,1-0}) 10... Qc7 11. Bb5 O-O 12. O-O Bd7 13. f5 (13. Be2 Na5 14. Bd4 Qc8 (14... f6 15. Rd3 $16) 15. f5 $16 {SF16}) 13... a6 (13... Bf6 14. a4 Bxc3 15. bxc3 f6 16. Bc4 Rfe8 17. Qd2 Ne5 18. Bb3 Nc4 19. Qd4 Nxe3 20. Qxe3 Kh8 $11 {SF16}) 14. Bb6 Qc8 15. Bd3 (15. Bc4 Ne5 16. Bb3 $14 {SF16}) 15... Ne5 16. Qg3 Kh8 $11 17. Bd4 Bf6 18. Ne2 b5 19. Qh3 (19. c3) 19... Qb7 20. Nf4 (20. c3) 20... Nf3+ 21. Rxf3 Bxd4+ 22. Kh1 Be5 (22... exf5 23. exf5 h6 24. c3 Bf6 25. Nh5 Be5 $11 {SF16}) 23. c3 (23. f6 $1 $18 gxf6 24. Qh4 Rg8 25. Rh3 Rg7 26. Nh5 Rg6 27. Nxf6 h6 28. Ng4 $18 {SF16}) 23... Rae8 (23... h6 $11) 24. fxe6 (24. f6 Bc6 25. Nh5 g5 26. Ng7 Rg8 27. Qg4 Rxg7 28. fxg7+ Kxg7 29. Qxg5+ Kh8 30. Rdf1 $16 {SF16}) 24... fxe6 $2 (24... Bxe6 25. Nxe6 fxe6 26. Qxe6 g6 27. Qg4 Qe7 28. Rdf1 Kg7 $11 {SF16}) 25. Ng6+ $18 Kg8 26. Nxf8 Rxf8 27. Rxf8+ Kxf8 28. Qxh7 Bc6 29. Rf1+ Bf6 30. g4 Ke8 31. Qg6+ Kd8 32. g5 (32. Rxf6 gxf6 33. Qxf6+ Kc7 (33... Qe7 34. Qxe7+ Kxe7 35. Kg2) 34. Qxe6 $18 {SF16}) 32... Be5 33. Rf8+ Kc7 34. Rf7+ Bd7 35. Qxe6 Kc8 36. Qd5 (36. Qe7) 36... Bc6 37. Rxb7 Bxd5 38. Re7 (38. Rxg7 Bxe4+ 39. Bxe4 Bxg7 40. Kg2 $18 {SF16}) 38... Bc6 (38... Bxa2 39. h4 g6 40. Ra7 Bb3 41. Rxa6 $18 {Sf16}) 39. Rf7 Bd7 40. Rf2 Be6 41. Bb1 Kc7 42. Kg2 Kc6 43. h4 d5 44. Kf3 (44. h5) 44... d4 45. cxd4 Bxd4 46. Rd2 Be5 47. b3 b4 48. Bd3 Bc3 49. Rc2 a5 50. Ke3 (50. h5) 50... Kd6 51. Rxc3 bxc3 52. Kd4 a4 53. Kxc3 (53. bxa4) 53... axb3 54. axb3 Ke5 55. Bc4 Bc8 56. Kd3 Kf4 57. Kd4 Kg4 58. e5 Kxh4 59. g6 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.2"]
[White "Saunders, Walter NR"]
[Black "Hughes, Anthony"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1943"]
[BlackElo "1838"]
[Annotator "User"]
[PlyCount "48"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.15"]

{[%evp 0,28,26,10,24,24,24,24,29,4,25,-8,22,-20,31,-1,4,6,-7,3,-15,-10,-10,-10,-17,-10,16,-7,-11,-16,-2]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Bd3 Bd6 5. Bxd6 (5. Bg3 {main}) 5... Qxd6 (5... cxd6 {takes away e5 square from Wh, and Wh scores 33%}) 6. c3 O-O 7. Nd2 c5 8. Ngf3 {130 games 47% for Wh} (8. f4 {94 games,51 % for Wh}) 8... Nc6 9. O-O e5 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. Nf3 Qe7 13. h3 Bd7 $11 {Bl has an easier game than Wh} (13... b6 {main}) 14. Rc1 (14. Qc2 {14 games, 29% for Wh}) 14... Rad8 (14... Rfe8 15. Re1 b6 16. Bb1 Bc6 17. Qe2 Rad8 $11 {Tittarelli-Nowak,LSS email2012,0-1}) 15. Bb1 Rfe8 $15 16. Qd3 g6 17. Rfd1 Bf5 (17... Bc6 $15 {SF16}) 18. Qb5 Bxb1 19. Rxb1 Rd7 20. Rd3 Red8 21. Rbd1 Kg7 22. Qa4 b6 23. Qh4 Qe4 24. Qg3 (24. Qxe4 dxe4 $11) 24... h6 $11 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.3"]
[White "Adams, Mark"]
[Black "Van Kemenade, R."]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1898"]
[BlackElo "1924"]
[Annotator "User"]
[PlyCount "42"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.09"]

{[%evp 0,13,16,28,39,10,60,21,36,28,28,41,43,39,34,14]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 (5... Nf6 6. d4 Be7 7. Bd3 O-O 8. Be3 c5 9. h3 Nc6 10. a3 a6 11. Qd2 b5 {Adams-Van Kemenade, WCPL 2011,1-0}) 6. dxc3 Be7 7. Bf4 (7. Be3 {main} O-O 8. Qd2 Nd7 9. O-O-O Nf6 10. Bd3 (10. h3 c5 11. g4 Be6 12. c4 b5 13. Ng5 Bxc4 14. Bxc4 bxc4 15. Bf4 d5 16. Nf3 d4 17. Qe2 c3 18. b3 Nd5 19. Bg3 Qa5 20. Kb1 Qa3 {Toczek-Van Kemenade, WLS ch blitz 2023,0-1}) 10... c5) 7... O-O 8. Qd2 Nd7 {main} (8... b6 9. O-O-O Bb7 10. Bc4 (10. Kb1 Nd7 11. Nd4 Nc5 12. Nf5 Bf6 13. f3 Qd7 14. Ne3 Ne6 {Staehelin-Van Kemenade,, wld seniors 2017,0-1}) 10... Bxf3 11. gxf3 Nd7 12. Rhg1 {Adams-Van Kemenade,European Club Cup, Skopje 2015,1-0}) 9. O-O-O Nc5 10. Be3 {main} Ne4 (10... Re8 {main}) 11. Qd5 (11. Qe1 Re8 $15 {1-1-5}) 11... Nf6 12. Qd2 c5 {and there is a transposition to Be3 lines rather than Bf4 lines, as noted by Swapnil Dhopade in his book. Except that Wh is a tempo down, as he usually has by now played Bd3 already!} 13. c4 b5 (13... a6 14. h4 b5 15. h5 h6 16. Bf4 Ra7 17. Bd3 Re8 18. a3 d5 $17 {Vieth-Gisemann,MS-Ger email 2011, 1/2--1/2}) 14. Bd3 {[Draw?]} Be6 15. Ng5 {cf Toczek-Van Kemenade, cited earlier} (15. cxb5 a6 $17) 15... Bxc4 $19 16. Bxc4 (16. Rhe1 Bxa2 $19 {SF16}) 16... bxc4 17. h4 {the routine Wh attack gets nowhere against Bl's rapid Benko type line openings on the Q side} d5 (17... Rb8 18. Bf4 h6 $19 {SF16}) 18. f3 (18. c3 h6 19. Kb1 Rb8 20. Ka1 Qd7 21. Qc2 Rfe8 $19 {SF16}) 18... d4 19. Bf2 (19. Bf4 c3 20. Qd3 Qa5 (20... Bd6 21. Bxd6 cxb2+ 22. Kxb2 Qxd6 23. Rhe1 Rab8+ 24. Ka1 h6 $18 {SF16}) 21. Qc4 Rad8 22. Kb1 Nd5 23. Bc1 Nb4 24. a3 cxb2 25. Bxb2 Nd5 $19 {SF16}) 19... c3 {looks irresistable} 20. Qf4 (20. bxc3 Qa5 21. Qe1 dxc3 {intended by Bl} (21... Rfe8 $19) (21... Bd6 $19) 22. Rd3 Qa3+ 23. Kd1 Qxa2 24. Ne4 (24. Rxc3 Rfe8) 24... Nxe4 25. fxe4 Rad8 26. Qxc3 Qb1+ 27. Ke2 Qxh1 $19 {SF16}) 20... Qb6 21. b3 Bd6 {clock times Wh 20 mins left, Bl 1 hr and 23 mins left} (21... Nd5 22. Qf5 g6 23. Qxd5 Qb4 24. Rde1 Rad8 25. Qc4 Qa3+ 26. Kd1 Bxg5 27. hxg5 Qxa2 $19 {takes a little longer}) 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.4"]
[White "Davis, Lee"]
[Black "Thomas, Mark"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "1927"]
[BlackElo "1724"]
[Annotator "User"]
[PlyCount "72"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.15"]

{[%evp 0,26,28,24,77,77,97,37,55,28,39,24,56,16,16,19,45,24,31,-59,-47,-47,-32,-27,-27,-92,-66,-66,-68]} 1. d4 d6 2. Nf3 (2. g3 {usual for Wh} e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Bg2 c6 6. Nf3 f6 7. c4 Bd6 (7... Be6 {main}) 8. b3 a5 9. Nc3 Na6 {Davis-Thomas, WLS ch 2010,1-0}) 2... g6 3. g3 Bg7 4. Bg2 Nf6 5. O-O O-O 6. c4 Nc6 (6... Nbd7 {main}) 7. Nc3 a6 8. e4 (8. h3) (8. d5) 8... e5 (8... Bg4 {main, 38% for Wh}) 9. Re1 {0-2-5} (9. d5 Ne7 10. Ne1 Nd7 11. Nd3 f5 12. f4 {2-4-1}) 9... Bg4 10. Be3 (10. d5 {0-4-3}) 10... Nd7 (10... Re8 11. d5 Nd4 {0-1-4}) (10... exd4 11. Bxd4 Nxd4 12. Qxd4 Nd7 $15 {SF16}) 11. d5 (11. Ne2 $11 {SF16}) 11... Nd4 12. Bxd4 exd4 13. Ne2 Bxf3 (13... d3 14. Qxd3 Bxb2 15. Rab1 Bg7 16. Ned4 Nc5 17. Qc2 Re8 $15 {Munanira-Gentilleau, Mallorca Olympiad 2004,0-1}) (13... Qf6 14. Nexd4 (14. Qxd4 Bxf3 15. Qxf6 Bxf6 16. Bxf3 Bxb2 17. Rab1 Ne5 18. Kg2 Nxc4 $17) 14... Bxf3 15. Nxf3 Qxb2 16. Rb1 Qxa2 17. Rxb7 Qa5 $17 {SF16}) 14. Bxf3 Qf6 (14... d3 15. Qxd3 Bxb2 16. Rab1 Bg7 17. Qc2 $11) (14... Ne5 15. Nxd4 Nxc4 16. Rb1 Qf6 17. Be2 Qxd4 18. Qxd4 Bxd4 19. Bxc4 $11 {both SF16}) 15. Bg2 (15. Nc1 Ne5 16. Bg2 Nxc4 17. Nd3 Ne5 18. Rc1 Qe7 19. f4 Nxd3 20. Qxd3 Qd7 21. Rc2 $11 {SF16- though Bl could play on for a win}) 15... c5 (15... d3 16. Qxd3 Qxb2 $17 {SF16}) 16. f4 (16. dxc6 {SF16} bxc6 17. b3 a5 18. Nc1 Nc5 19. Nd3 Nxd3 20. Qxd3 c5 21. Rab1 $11 (21. e5 dxe5 22. Bxa8 Rxa8 $11)) 16... b5 $17 17. cxb5 axb5 $19 18. a4 bxa4 (18... c4 19. axb5 Rxa1 20. Qxa1 d3 21. Nc3 Qd4+ 22. Kh1 Nc5 $19 {SF16}) 19. Rxa4 Nb6 (19... Rxa4 20. Qxa4 d3 21. Qxd7 (21. Nc3 Qd4+ 22. Qxd4 Bxd4+ 23. Kh1 Rb8 $19) 21... Qxb2 22. Bf3 Qd2 23. Kf1 Qc2 24. e5 d2 $19 {SF16}) 20. Rxa8 Rxa8 21. Qb3 (21. b3 c4 22. bxc4 Nxc4 23. Qd3 Ne3 $17 {SF16}) 21... Qd8 $19 22. e5 {Wh is unable to get a N to d3 to blockade the d4 pawn} dxe5 23. fxe5 Bxe5 24. Qf3 Qd6 25. Qe4 Rd8 (25... Nd7 26. Nf4 c4 27. b3 cxb3 28. Nd3 Bg7 $19 {SF16}) 26. b4 (26. Nc1 Bf6 27. b3 c4 28. bxc4 Nxc4 29. Nd3 Ne3 30. Rc1 Qa3 31. Rb1 Nxd5 $19 {SF16}) 26... d3 (26... f5 27. bxc5 (27. Qf3 c4) 27... fxe4 28. cxd6 d3 $19 {Sf16}) 27. Qxd3 cxb4 28. Qb5 Kg7 29. Rc1 Nd7 30. Qc6 Qb8 {Bl's B is far superior to its Wh counterpart} 31. Bh3 Nf6 32. Rc5 b3 (32... Qa7 33. Kh1 b3) 33. Rb5 Qa7+ 34. Qb6 Qxb6+ 35. Rxb6 b2 36. Nf4 Bd4+ 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.5"]
[White "Thomas, Roy"]
[Black "Batey, Richard"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "1641"]
[BlackElo "2044"]
[Annotator "User"]
[PlyCount "36"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.15"]

{[%evp 0,13,24,-12,-14,-14,-21,-29,-29,-30,-6,0,0,-17,-5,-5]} 1. f4 d5 2. e3 g6 3. Nf3 Bg7 4. Be2 Bg4 5. O-O Nf6 6. d3 O-O 7. Nc3 (7. Qe1 c5 8. Nc3 Nc6 9. e4 dxe4 (9... Bxf3 10. Bxf3 d4 11. Na4 b6 12. Qg3 Rc8 13. b3 {Thomas-Govindaraj, Tom Weston Major op 2016,1-0}) 10. dxe4 Nd4 11. Bd1 Bxf3 12. gxf3 Nh5 {Thomas-Jukes, Tom Weston Major op 2016,1/2-1/2}) 7... c5 8. e4 d4 (8... e6 9. h3 Bxf3 10. Bxf3 Nc6 {2 draws}) 9. Na4 Qc8 10. c4 Bd7 11. Ne5 Bxa4 (11... Be8 12. a3 b6 13. b4 $11 {SF16}) 12. Qxa4 $16 Nfd7 13. Nxd7 Qxd7 14. Qd1 $16 (14. Qa5 b6 15. Qe1 $16 {SF16}) 14... Nc6 15. f5 (15. e5 f5 16. exf6 Rxf6 17. Bg4 Qd6 18. g3 e5 19. Re1 $16 {SF16}) 15... Qd6 $11 16. Bf4 (16. Qe1 Bf6 17. Bh6 Bg7 18. Bd2 Bf6 $11 {SF16}) 16... Be5 $17 17. g3 Bxf4 (17... Kh8 18. Kh1 Rg8 19. Bd2 g5 $15 {SF16}) 18. Rxf4 (18. gxf4 Kh8 $17 (18... gxf5 19. exf5 Kh8 20. Bf3 $11 {SF16})) 18... g5 $17 {[Draw?]} (18... Ne5 $17 {The N is dealing with a bad B}) 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.6"]
[White "Morris, Charles F"]
[Black "Cooke, Mark"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2029"]
[BlackElo "1413"]
[Annotator "User"]
[PlyCount "81"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.15"]

1. c4 Nf6 2. g3 c6 3. Nf3 d6 (3... d5 {main}) 4. Nc3 Bg4 (4... e5 {main}) 5. Bg2 Bxf3 $146 {usually people wait with this until B challenged by h3} (5... Nbd7) 6. Bxf3 $16 e5 7. d4 Nbd7 8. O-O Be7 9. b3 (9. d5 $16 {SF16} c5 {1.5-0.5}) 9... h6 (9... O-O 10. Bb2 Re8 11. d5 (11. dxe5 dxe5 12. Qc2 $11 {Blanco Gramajo-Aepfler,Titled Tuesday int op blitz 2020,0-1}) 11... c5 12. e4 $16 {Ionescu-Teodorescu, ROM ch, Herculane 1996,1-0}) 10. Bg2 Qa5 11. Bb2 exd4 12. Qxd4 Qh5 13. Rae1 $16 (13. Rad1 $16) 13... Qe5 14. Qd2 Qg5 15. Rd1 (15. f4 Qa5 16. e4 $16 {SF16}) 15... Rb8 16. Qd4 (16. f4 $18 {SF16}) 16... c5 (16... Qc5 17. Qd2 O-O 18. e4 $16) 17. Qd2 $18 (17. Qd3 $18) 17... Qh5 18. Nb5 O-O 19. Nxd6 (19. Nxa7 Ra8 20. Bxf6 Nxf6 21. Nb5 {Sf16}) 19... Bxd6 20. Qxd6 Qxe2 21. Rd2 Qh5 22. h3 Rbe8 23. Qc7 Qf5 24. Qxb7 Ne5 25. f4 (25. Qxa7) 25... Ng6 26. Qf3 Rd8 27. Rxd8 Rxd8 28. Rd1 Re8 29. Qf2 (29. Qd3) 29... h5 30. Bxf6 gxf6 (30... Qxf6 31. Qxc5 h4 32. f5 $18 {SF16}) 31. Rd5 Qb1+ 32. Kh2 Re1 33. Rxh5 Rc1 34. Rd5 Ne7 35. Rd8+ Kg7 36. Qxc5 Re1 37. Re8 Ng6 38. Rxe1 Qxe1 39. Qd4 (39. Qxa7) 39... a5 40. c5 Ne7 41. Qe4 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.7"]
[White "Phillips, William"]
[Black "Quinn, Peter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1819"]
[BlackElo "1645"]
[Annotator "User"]
[PlyCount "98"]
[EventDate "2023.09.09"]
[SourceVersionDate "2023.09.15"]

1. d4 c6 2. Nf3 d6 3. e4 Nf6 (3... Bg4 {main}) 4. Nc3 Bg4 5. Be2 (5. h3) 5... Nbd7 (5... e6 6. O-O d5 {main idea here}) 6. h3 Bxf3 7. Bxf3 e5 8. d5 Be7 9. O-O O-O {2-2-1} 10. Re1 h6 11. g3 Nb6 12. Bg2 cxd5 13. Nxd5 (13. exd5 $14) 13... Nfxd5 14. exd5 f5 $11 (14... Bg5 15. Bxg5 Qxg5 $17 {SF16- the N will be more agile than the B}) 15. b3 (15. a4) 15... Rc8 16. c4 Nd7 17. g4 (17. Rb1) 17... f4 (17... Bg5 $17 {SF16}) 18. Be4 Rf6 (18... b5 $15 19. cxb5 Rc3 20. Kg2 Bh4 21. Bd2 f3+ 22. Kh2 Bxf2 23. Bxc3 Qh4 24. Rg1 h5 25. Bf5 Rxf5 26. gxf5 Qf4+ 27. Kh1 Nf6 28. Bd2 Qxf5 29. Qf1 Ne4 30. Rg5 Nxg5 31. Bxg5 Bd4 32. Rd1 Bb6 33. a4 e4 {SF16 indicates the 2 centre pawns are equal to R- few humans would have gone down this track}) 19. Qf3 $16 g6 20. h4 Kg7 21. Bc2 (21. Qh3 Nf8 22. a4 Nh7 23. Qd3 Nf8 24. Kh1 $14 {SF16}) 21... b5 22. g5 (22. Bd2 $11 {Sf16}) 22... hxg5 23. hxg5 Rf8 $17 24. Qd3 Rf5 $19 25. Bd2 bxc4 26. bxc4 Rxg5+ (26... Qh8 $1 {threatens to come in on h1 after the g pawn falls} 27. Qf3 Rxg5+ 28. Kf1 Rxc4 29. Bb3 Rh5 30. Ke2 Rd4 31. Rac1 Rh3 32. Rh1 Rxd2+ 33. Kxd2 Rxf3 34. Rxh8 Kxh8 35. Rc8+ Kg7 36. Rc7 Rxf2+ 37. Kc3 Kf8 38. Rxd7 e4 $19 {SF16}) 27. Kf1 Nc5 (27... Qh8) 28. Qf3 Qd7 29. Ke2 Rh8 30. Rh1 Rxh1 31. Rxh1 Qg4 (31... Bd8 $15 32. Kf1 Qg4 $15 {SF16}) 32. Rh3 (32. Qxg4 Rxg4 33. Kf3 Rg5 34. Rb1 $11 {SF16}) 32... e4 $19 33. Bc3+ Bf6 34. Bxf6+ Kxf6 35. Qxg4 Rxg4 $19 {the B can scarcely move and Wh's K is in difficulties} 36. Rh8 a6 (36... Rg1 37. Re8 g5 38. Bxe4 Kf7 $19 {SF16}) 37. Kf1 e3 (37... f3) (37... g5) (37... Ke5 38. Re8+ Kd4 39. Rd8 Kc3 {are all even stronger than the text}) 38. fxe3 fxe3 39. Bb3 Re4 (39... Ke5 $1 {brings the K into the attack}) 40. Ke2 g5 41. Rh3 g4 (41... Ke5 42. Rxe3 Kd4 (42... Kf4 {and in both Bl will mop up all of Wh's pawns, then choose which of his will be Q})) 42. Rxe3 Ke5 43. Kf2 Kf4 (43... Kd4 {if needed the g pawn will be given up, so that Bl gains Wh's 3 Qside pawns in return}) (43... Rxe3 44. Kxe3 Ne4) 44. Rxe4+ Nxe4+ 45. Kg2 a5 (45... Ke3 {also}) 46. Bd1 Nc5 (46... Ke3 47. Bxg4 Kd4 {is a comfortable win for Bl}) 47. Be2 a4 {this creates a vulnerability, the pawn should remain safe on a5} (47... Na4 48. Kf2 Nc3 {and almost anything wins for Bl (except letting the d pawn through to Q)}) 48. a3 Nb3 49. Bd1 Nc5 (49... Nc5 50. Be2 Ke3 51. Bxg4 Kd3 52. Kf2 Kxc4 53. Ke3 Kxd5 (53... Kb3 54. Kd4 Kxa3 55. Kc3 Ne4+ 56. Kc2 Kb4 57. Kb2 {Bl can win the d pawn, but then the Wh K will be too close after taking the a pawn.and the N will be unable to block off the B} Nf6 (57... a3+ 58. Ka1 Nc3 59. Bf3 Kb3 60. Bh5 a2 61. Bd1+ Ka3 62. Bf3 Nb5 63. Be2 Nd4 64. Bd1 {and The N, unlike a B is unable to waste a tempo while keeping up the threat}) 58. Bf3 Kc5 59. Ka3 Nxd5 60. Kxa4 Nc3+ 61. Kb3) 54. Be2 {and the endgame tablebases indicate a drawn position}) 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.8"]
[White "Van Kemenade, J."]
[Black "Morgan, David"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1670"]
[BlackElo "1524"]
[Annotator "User"]
[PlyCount "67"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.11"]

{[%evp 0,67,80,4,128,109,140,102,116,15,29,-9,42,32,35,-37,-34,-13,-19,-33,-27,-76,-37,-73,-57,-55,-55,-69,-43,-81,9,-50,-50,-89,-27,-30,-13,-17,-6,-26,-16,-10,-24,-24,-27,-6,26,47,65,32,78,27,45,45,110,110,122,137,164,52,107,70,183,91,338,316,414,470,849,849]} 1. e4 c5 2. Nf3 g6 3. d3 Nc6 4. g3 Bg7 5. Bg2 e5 (5... d6) (5... e6) 6. O-O Nge7 7. Ne1 (7. c3 {main}) (7. Nc3) 7... d5 $146 (7... O-O {0.5-4.5}) 8. Nc3 Be6 9. Bg5 f6 10. Bd2 O-O 11. f4 d4 12. Ne2 Qd7 13. Nf3 Rac8 14. Nh4 exf4 {gives Wh a little more space on K side} (14... f5 $17 {Cloud Engines, some going back to 2013}) 15. gxf4 f5 16. Ng3 Bf6 (16... fxe4 17. dxe4 Bg4 18. Bf3 Bh3 19. Bg2 Bxg2 20. Kxg2 b5 $15 {SF16}) 17. Nf3 h6 $6 {Wh has the makings of a K side attack, so one should not move pawns there needlessly- it weakens g6, Bl should open up lines on the Q side with} (17... c4 {or}) (17... b5) (17... Kh8 18. Ng5 Bg8 $11 {SF16}) 18. e5 Bg7 19. Qe2 a5 {the wrong pawn} (19... b5 {is better- there is a R on the c file , so Bl should try to open up the file}) 20. a3 b5 21. Qe1 (21. h4) 21... a4 22. h4 c4 23. h5 {the consequence of Bl's earlier h6} Rc7 {Bl's buildup is far too slow, the Q side needs to be opened} (23... c3 24. bxc3 dxc3 25. Bc1 b4 26. axb4 Nxb4 27. Qf2 Bb3 {SF16 gives Bl a fighting chance, distracting Wh from the K side operation} 28. cxb3 axb3 29. Ra7 Rc7 30. Rxc7 Qxc7 31. Qd4 Nc2 32. Qd6 Qxd6 33. exd6 Nd5 34. Nd2 $1 (34. Ne5 Nce3 35. Nxg6 Nxg2 $11) 34... Bd4+ 35. Kh2 Nde3 36. Nxb3 Nxf1+ 37. Nxf1 $16 {SF16}) 24. Rc1 {no need to worry about a Bl R entry} (24. hxg6 Nxg6 25. Nh5 $18 {SF16}) 24... Rfc8 (24... c3 {creating some chaos is Bl's best chance} 25. bxc3 dxc3 26. Bxc3 g5 27. fxg5 hxg5 28. Nxg5 Nd4 29. Bd2 Rxc2 30. h6 Bxh6 31. Rxc2 Nxc2 32. Qe2 Bxg5 33. Bxg5 Nd4 34. Qh5 Rf7 35. Bh6 $16 {SF16}) 25. Nh4 (25. hxg6 Nxg6 26. Nh5 Qf7 27. Qg3 Ngxe5 28. Nf6+ Qxf6 29. fxe5 Qf7 30. Bxh6 $16 {SF16}) 25... g5 {now this further exposes the Bl K} (25... c3 {is still Bl's dynamic option} 26. bxc3 dxc3 27. Be3 b4 28. axb4 Nxb4 29. hxg6 Ned5 30. Kh2 a3 31. Bd4 a2 32. Qf2 Ra8 33. Bc5 Ra4 34. Nh5 Nxc2 35. Bxd5 a1=Q 36. Nxf5 $16 {SF16} Qb2 37. Nfxg7 Qxd5 38. Nf6+ Kxg7 39. Nxd5 Bxd5 40. Rxc2 Ra2 41. Rxb2 Rxb2 42. Ba3 Rxf2+ 43. Rxf2 Kxg6 44. f5+ $18 {complete chaos, where Engines love to be & humans get lost in the dark wood}) 26. fxg5 hxg5 27. Bxg5 Nxe5 {regains the pawn, but the Bl armies are on the Q side, not prepared to coin on the e file, whereas Wh has open lines against the Bl K} 28. h6 Bh8 29. Nh5 Ng4 (29... cxd3 {is the last hope to distract Wh, and perhaps get some Rs into the game} 30. Qg3 (30. cxd3 Rxc1 31. Bxc1 Nd5 $11) 30... Ng4 (30... Rxc2 31. Bxe7+) 31. cxd3 Rxc1 32. Bxc1 Qe8 33. Qd6 $18 {SF16}) 30. Qg3 $18 (30. Nf4 Be5 31. h7+ Kxh7 32. Nf3 Bxf4 33. Bxf4 Rc6 34. Qh4+ Kg8 35. Qg5+ Kf8 36. Bh3 Bd5 37. Nh4 Nh6 38. Qh5 Nf7 39. Nxf5 $18 {SF16}) 30... Kh7 31. Rce1 Rg8 32. Bxe7 Qxe7 33. Rxe6 Ne3 34. Rxe7+ 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.09"]
[Round "3.9"]
[White "Dodington, Russell H"]
[Black "Hurn, Robert AJ"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "1435"]
[BlackElo "1544"]
[Annotator "User"]
[PlyCount "62"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.15"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 d6 6. e4 (6. e3 $11 {main, pawn not a target when e file opens} h6 7. Bh4 exd5 8. cxd5 O-O 9. Bd3 Nbd7 10. Nf3 Qa5 11. Qb3 Re8 12. O-O {Dodington-Hurn, Tom Weston Major op 2015,0-1}) 6... e5 {0-0-3} (6... h6 {1-4-6}) (6... Bxc3+ 7. bxc3 h6 $15 {Cloud Engines}) 7. Nge2 $146 Nbd7 8. g3 (8. Qc2 $16) 8... h6 (8... b5 $11 {SF16}) 9. Bd2 O-O 10. Bg2 Nb6 {Fritz13; though the N looks a little bit out of position here- where will it go to next?} (10... Re8 {SF16}) 11. b3 $16 Bg4 12. f3 Bh5 (12... Bd7 {F13 & SF16} 13. O-O $16) 13. a3 $18 (13. g4 Bg6 14. h4 Nbd7 15. Ng3 $18 {SF16; Wh will break throgh quite quickly on the K side}) 13... Bxc3 14. Nxc3 a6 15. g4 Bg6 16. h4 $18 h5 {both Engines} 17. g5 (17. a4) 17... Nfd7 18. f4 (18. Bh3 Nc8 19. O-O $18 {SF16}) (18. Qc2 Rb8 19. O-O-O {F13, which SF 16 only gives as definite plus for Wh rather than a win}) 18... exf4 19. Bxf4 Ne5 (19... Qe7 20. Qe2 Ne5 $14 {both Engines}) 20. Bxe5 dxe5 21. Bf3 {F13} (21. d6 f6 22. Qd2 $16 {SF16}) 21... Qd6 (21... Nc8 $16 {both Engines}) 22. Bxh5 $18 Nd7 (22... f5 $5 {both Engines- Wh's K is still in the middle, which might give some counterchances}) 23. Qg4 (23. Bg4) 23... Bxh5 24. Qxh5 Qg6 (24... b5 $5 {SF16}) 25. Qxg6 fxg6 26. Ke2 (26. Rf1 {both Engines}) 26... Rf4 27. Raf1 $18 (27. a4 {SF16}) 27... Rg4 28. Kf3 Rf4+ 29. Ke3 (29. Kg2 $18 {SF16}) (29. Kg3 Raf8 30. Kg2 {F13}) 29... Rg4 30. Kf3 (30. Ne2 {SF16} Rg2 31. Kf3 $18 {SF16}) 30... Rf4+ 31. Ke3 {[Draw?]} Rg4 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.1"]
[White "Thomas, Mark"]
[Black "Havard, Gwyn"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1724"]
[BlackElo "1848"]
[Annotator "User"]
[PlyCount "65"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.16"]

1. e4 d5 2. exd5 Nf6 3. d4 (3. Nf3 Nxd5 4. d4 g6 5. c4 Nb6 6. Nc3 Bg7 7. Be3 Nc6 8. Be2 O-O 9. h3 Bf5 10. a3 Re8 11. O-O {Thomas-Horrell, S Wales Autumn, 2022,1-0}) 3... Bg4 4. Be2 {main} (4. Nf3 Qxd5 5. Nc3 Qd7 6. Bc4 e6 7. Bf4 Nc6 8. d5 exd5 9. Qe2+ Be7 10. O-O-O d4 {Peters-Havard, Wales op, Cardiff 2022,0-1}) (4. f3 Bf5 5. Bb5+ Nbd7 6. c4 e6 {gives Bl good chances}) 4... Bxe2 5. Qxe2 Qxd5 6. Nf3 e6 7. O-O Nc6 8. Be3 (8. Nc3 Qh5 {main}) 8... Be7 (8... O-O-O {main} 9. c4 Qh5 10. Nc3 Rg8 (10... Bd6)) 9. c4 Qh5 {3 Wh wins, 1 draw} (9... Qf5 {Cloud Engines} 10. Nc3 O-O-O {4-2-1} (10... O-O {1-2-3})) 10. Nc3 O-O 11. Rfd1 (11. Rad1 Rad8 12. h3 {Lagno-A Muzychuk, UKR ch Girls U12, Simferopol 2000,1/2-1/2}) (11. h3 {Cloud Engines,2-1}) 11... Rad8 12. Rd2 (12. a3 a5 13. Nb5 Rd7 14. Bf4 Bd6 15. Nxd6 cxd6 16. Rab1 Re8 17. Qf1 e5 $11 {Luong-Phan Hoang Diem, VIE ch girls U13,2002,1-0}) 12... Rd7 13. Rad1 Rfd8 14. h3 h6 15. a3 a5 (15... Bd6 16. b4 a6 $14 {SF16}) 16. Bf4 $16 Bd6 17. Qe3 (17. Bxd6 cxd6 18. d5 $16 {SF16}) 17... Ne7 (17... Bxf4 18. Qxf4 e5 $11 {SF16}) 18. Ne5 Nf5 $2 (18... Bxe5 19. dxe5 Rxd2 20. Rxd2 Rxd2 21. Qxd2 Ne8 22. Qd8 Kf8 23. Nb5 Nc6 24. Qc8 g5 25. Be3 (25. Nxc7 $16) 25... Qd1+ 26. Kh2 Qd8 27. Bc5+ Kg7 28. Qxb7 $18 {SF16}) 19. Qe1 Bxe5 20. dxe5 Rxd2 21. Rxd2 Rxd2 22. Qxd2 Ne8 23. Qd8 (23. g4 Qg6 24. Qd8 f6 25. Kf1 Nh4 26. exf6 gxf6 27. Bxc7 $18 {SF16}) 23... Kf8 24. Nb5 (24. g4 Qh4 25. Qd2 Ne7 26. Kg2 Nc6 27. Ne4 Qe7 28. Bg3 Kg8 29. Qd3 $16 {SF16}) 24... Qh4 25. Qxh4 Nxh4 26. Kf1 $14 (26. Bd2 b6 27. c5 $14 {SF16}) 26... Ng6 27. Bg3 b6 (27... Ke7 28. Ke2 Kd7 $14 {SF16}) 28. Ke2 Ne7 29. f3 Nf5 30. Bf2 $18 c6 $2 (30... Ne7 31. c5 Nd5 32. Nc3 Nxc3+ 33. bxc3 b5 34. c6 f6 35. exf6 gxf6 36. Bc5+ Kf7 37. Kd3 e5 38. c4 bxc4+ 39. Kxc4 Ke6 40. Kb5 Kd5 41. g4 Ng7 42. Bf8 Ne6 43. Bxh6 $18 {SF16}) 31. Na7 Ne7 32. Bxb6 a4 33. Bc5 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.2"]
[White "Van Kemenade, R."]
[Black "Hughes, Anthony"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "1934"]
[BlackElo "1838"]
[Annotator "User"]
[PlyCount "59"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.11"]

{[%evp 0,59,80,-7,-39,-14,-7,-14,1,-8,-8,-28,-21,-46,-1,-21,-2,-39,-41,-49,-5,-57,11,28,59,47,20,52,89,67,63,46,80,67,57,73,110,51,53,37,85,14,42,53,53,74,181,151,156,145,356,117,504,489,505,505,811,969,969,969,969,944]} 1. f4 d5 2. Nf3 Bg4 3. e3 Nd7 4. h3 Bxf3 5. Qxf3 e6 (5... c6 {main}) (5... Ngf6 6. g4 {84 games} e5 7. g5 e4 8. Qg2 Ng8 9. c4 c6 10. Nc3 Ne7 11. cxd5 cxd5 12. d3 exd3 13. Bxd3 g6 14. O-O Bg7 15. Nxd5 Nxd5 16. Qxd5 $18 {Van Kemenade-D Johnston, Dyfed League 2008, 1-0}) (5... e5 6. Qxd5 Ngf6 (6... Qh4+ 7. Kd1 O-O-O 8. fxe5 Qe7 9. Qa5 Kb8 10. Nc3 Nxe5 11. Qa4 {Kramnik-Oratovsky,USSR 1990,1-0}) 7. Qf3 (7. Qxb7) 7... exf4 8. exf4 Bd6 9. Be2 O-O 10. d4 c5 11. d5 c4 {Rendle-Adams,London Classic rapid 2014,0-1}) 6. d4 (6. b3) (6. Be2) (6. c4 c6 7. Nc3 Bb4 8. a3 Bxc3 9. bxc3 Ngf6 10. a4 O-O 11. Rb1 Qa5 {Van Kemenade-Docx,Gibraltar Masters 2017,0-1}) 6... Ngf6 7. Nd2 (7. Bd3) 7... Be7 8. Bd3 c5 9. c3 Qc7 {Bl is reluctant to 0-0, fearing the pawnstorm} (9... Qb6 {0-4} 10. O-O $11 {SF16}) (9... O-O 10. g4 Ne8 11. g5 Nd6 12. h4 {Sikorova-Navara, CZE ch Kouty nad Desnou 2012,0-1}) 10. a4 Nb6 {Bl was trying an idea adapted from an anti-London system of N to d6 to contest control over e4, but it takes up too much time} 11. O-O (11. b3 $14 {SF16}) 11... Nc8 12. e4 {Wh opens up the centre for the two Bs} dxe4 13. Nxe4 c4 (13... Nxe4 14. Qxe4 (14. Bb5+ {Wh's idea} Kf8 15. Qxe4 Nd6 $11) 14... c4 15. Bc2 Nd6 16. Qe5 Bf6 17. Qc5 $16 {SF16}) 14. Nxf6+ Bxf6 15. Bc2 $16 Ne7 16. Be4 (16. a5 $16 O-O 17. g4 Bh4 18. g5 f5 19. b3 $16 {SF16}) 16... O-O-O (16... O-O {SF16} 17. g4 $16 (17. Bxb7 $16)) (16... Rb8 17. g4 $1 (17. f5 e5 18. dxe5 Bxe5 19. f6 Bxf6 20. Bf4 Qb6+ 21. Kh1 Rd8 22. a5 Qb5 23. Qg3 $18) 17... Bh4 18. f5 Qg3+ 19. Qxg3 Bxg3 20. fxe6 fxe6 21. Kg2 Bd6 22. a5 $18 {SF16}) 17. a5 $18 Nd5 (17... a6 18. Ra4 Nd5 19. Qe2 Kb8 20. Qxc4 $18 {SF16}) 18. Bd2 {second line of SF16} (18. a6 b5 19. f5 h5 20. Bd2 Rd7 21. b3 $18 {SF16}) (18. f5 {first idea, but Wh thought Bl might get some play on the f file}) 18... g6 19. Ra4 (19. b3 cxb3 20. Rfb1 Rd6 21. Rxb3 Rhd8 22. Be1) 19... Rd6 20. f5 (20. Kh1 Kd7 21. b3 cxb3 22. c4 $18 {SF16}) (20. Qe2 Kb8 (20... Rc6 21. f5 a6 22. fxe6 fxe6 23. Rxf6 Nxf6 24. Bxc6 bxc6 25. Qxe6+ $18) 21. Qxc4 Qxc4 22. Rxc4 a6 $18 {Sf16}) 20... gxf5 21. Bxd5 Rxd5 22. Qe2 Kd7 (22... Kd8 23. Bf4 Qc6 24. Rxc4 Qb5 25. Ra1 Rg8 26. a6 $16) (22... Kb8 {is actually playable} 23. Bf4 e5 24. dxe5 Bxe5 25. Rxc4 Qxa5 26. Ra4 Qb6+ 27. Be3 Qe6 28. Bxa7+ Kc8 29. Qf3 $16 {SF16}) 23. Bf4 $18 e5 24. Rxc4 Qxa5 25. dxe5 (25. Bg3 $18) (25. Qh5 $1 Ke7 26. Qxf5 exf4 27. Re1+ Be5 28. b4 Qb5 29. Rc7+ Kd6 30. Qxf7 Re8 31. dxe5+ Rexe5 32. Rxe5 Rxe5 33. c4 $18 {SF16}) 25... Re8 (25... Bxe5 26. Qh5 (26. Bxe5 Rxe5 27. Qh5 Qb6+ 28. Kh1 Qf6 29. Rd1+ Ke7 30. Rc7+ Kf8 31. Rxb7 $16) 26... Qb6+ 27. Kh1 Qg6 28. Qf3 Qd6 29. Rd4 Rxd4 30. Bxe5 Qxe5 31. Qxb7+ Ke6 32. cxd4 $18) 26. Qh5 Qb6+ 27. Kh1 Bxe5 28. Qxf7+ Kd6 29. Qxe8 Bxf4 30. Rcxf4 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.3"]
[White "Saunders, Walter NR"]
[Black "Morris, Charles F"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1943"]
[BlackElo "2029"]
[Annotator "User"]
[PlyCount "73"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.16"]

{[%evp 0,16,39,27,10,-13,-4,-19,2,12,14,16,5,7,7,12,11,-21,-22]} 1. Nf3 Nf6 (1... d5 2. d4 c6 3. Bf4 Bf5 4. e3 Nd7 5. Be2 Ngf6 6. h3 b5 7. O-O e6 8. b3 Ne4 9. c4 g5 10. Bh2 bxc4 11. bxc4 g4 12. hxg4 Bxg4 13. Ne5 {Saunders-Morris, WLS ch 1996,1/2-1/2}) 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. d3 (6. Nc3 Be7 7. d4 cxd4 8. Qxd4 {main}) 6... Be7 7. Nc3 O-O 8. Qb3 (8. e4 d6 9. Re1 {main} (9. b3)) 8... Nc6 (8... d6 9. Bd2 Nbd7 10. a4 Rb8 11. Qa2 Bc6 {Gibbons-Stuart, Oceania zt Aucland 2005,1/2-1/2}) (8... d5 $11 {SF16}) 9. e4 (9. Nb5 d6 10. Bd2 Re8 11. a4 a5 12. d4 d5 {Goffin-Gibbons, Oceania zt Auckland,2005,1/2-1/2}) 9... d6 10. Rd1 e5 (10... Nd4) 11. Bg5 Ne8 12. Be3 Nc7 13. Qc2 (13. Nd5) 13... Nd4 14. Bxd4 cxd4 15. Nd5 Nxd5 16. exd5 (16. cxd5 $11) 16... Bc8 (16... Qc7 17. Qd2 a5 18. Rdb1 Bd8 19. b4 axb4 20. Qxb4 Bc8 21. a4 Bf5 22. Ra3 Ra7 $15 {SF16}) 17. Nxe5 dxe5 18. d6 Rb8 (18... Bg4 19. Bxa8 Bxd1 20. Qxd1 Bxd6 21. Bd5 $11 {SF16}) 19. dxe7 Qxe7 20. Re1 $11 Qd6 (20... Qc7) 21. Qe2 (21. b4 $16 Qc7 (21... Qxb4 22. Rxe5) 22. c5 bxc5 23. bxc5 g6 24. c6 $16 {SF16}) 21... f6 22. a3 a5 23. Qd2 Bb7 24. Bxb7 Rxb7 25. b4 axb4 26. axb4 f5 27. Ra6 Re8 (27... Qb8 28. Qa2 Kh8 29. Ra1 h6 $14 {SF16}) 28. c5 $16 Qc7 (28... Qe6 29. b5 f4 30. Qe2 Qd5 31. c6 Rbe7 32. Qa2 Qxa2 33. Rxa2 f3 34. h4 Kf7 35. Ra6 Rb8 36. Rc1 $18 {SF16}) 29. Qa2+ $18 Kh8 30. cxb6 (30. Rxb6 $1 e4 (30... Rxb6 31. cxb6 Qxb6 32. Rxe5 $18) 31. Rxb7 Qxb7 32. Qc4 $18 e3 33. Qxd4 exf2+ 34. Qxf2 Rf8 35. Qxf5 {SF16}) 30... Rxb6 (30... Qd8 31. Qc4 $18) 31. Rxb6 Qxb6 32. Qf7 $2 (32. Rxe5 $1 $18) 32... Qe6 $11 33. Qxe6 Rxe6 34. b5 e4 (34... g6 $11) 35. b6 (35. Kf1 g6 $11) 35... Rxb6 36. dxe4 fxe4 37. Rxe4 {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.4"]
[White "Batey, Richard"]
[Black "Adams, Mark"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2044"]
[BlackElo "1898"]
[Annotator "User"]
[PlyCount "32"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.16"]

{[%evp 0,21,27,11,12,27,40,0,43,43,43,43,43,1,22,30,46,34,42,26,55,40,40,40]} 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Be7 5. Nc3 d5 6. cxd5 (6. Bg5) 6... exd5 7. e3 {3-3-5} (7. Bg5 {main line QGD exchange}) 7... O-O 8. Bd3 Nbd7 9. h3 (9. O-O) (9. a3) 9... Re8 10. O-O c6 11. Re1 (11. Rc1 Nf8 12. Ne5 N6d7 13. Nf3 Ng6 14. a3 a5 15. Re1 Ndf8 16. Ne2 Bd6 17. Nc3 f5 18. Qc2 Qf6 19. Na4 $14 {Da Silva-Cardoso, Sao Jaoa del Rei op 2020,1/2-1/2}) 11... Bd6 12. e4 (12. Qc2 {SF8 & 16} h6 13. Rab1 Nb6 14. b4 a6 15. a4 {Krasenkow-Seirawen, OLympiad 2000,0-1}) 12... dxe4 13. Nxe4 Nxe4 14. Rxe4 Rxe4 15. Bxe4 Nf6 16. Bc2 Be6 $11 {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.5"]
[White "Miles, Richard"]
[Black "Thomas, Roy"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "1967"]
[BlackElo "1641"]
[Annotator "User"]
[PlyCount "99"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.16"]

{[%evp 0,25,26,20,32,-14,46,40,44,24,59,51,57,46,46,49,67,38,51,36,71,15,52,24,42,24,129,109]} 1. d4 (1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 b6 7. Nc3 Bb7 8. Qe1 Nbd7 9. Qh4 Re8 10. Ne5 Nf8 11. d4 N6d7 12. Bd2 e6 13. Qh3 f6 {Thomas-Miles, WCPl 2015,0-1}) 1... e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O d6 7. Nc3 a5 8. Qc2 Nc6 9. Rd1 (9. a3 {generally given in the theory books, main}) (9. e4) 9... Qe8 10. e4 e5 $11 {2-1-6} (10... fxe4 11. Nxe4 e5 $11 {1-2-3}) 11. dxe5 dxe5 12. exf5 Ng4 (12... Qh5 $11 {1-4} 13. Bg5 h6 14. Bxf6 Bxf6 15. Nd5 Bxf5 16. Qb3 (16. Nxf6+ Rxf6 17. Qb3 Bg4 18. Rd3 Raf8 {S Brown-Oswald, Grangetown Premier 2010,0-1} (18... Bxf3 19. Bxf3 Rxf3 20. Rxf3 Nd4 21. g4 Qxg4+ 22. Rg3 Nxb3 23. Rxg4 Nxa1 $19 {SF16})) 16... e4 $11 {Cloud Engines}) 13. h3 (13. Nd5 Bxf5 14. Qe2 (14. Nxe7+ Qxe7 $11) 14... Bc5 15. Be3 Nxe3 16. Nxe3 Nd4 $19 {Navaratnam-Sonjaya, Kuala Lumpur Merdeka rapid op 2019,0-1}) 13... Bxf5 14. Qe2 Qh5 (14... Nf6 15. Nxe5 Bc5 16. Nxc6 bxc6 17. Qxe8 Raxe8 18. Bf4 $16 {Cloud Engines}) 15. Ne4 (15. Nh2 $18 Nd4 16. Rxd4 exd4 17. hxg4 Bxg4 18. Nxg4 Qc5 19. Ne4 Qf5 20. Bf4 {Kryger-Gronnestad, Fagernes Norsk op 2015,1-0}) 15... Bxe4 16. Qxe4 Nf6 $11 17. Qe2 (17. Qh4 Qxh4 18. Nxh4 Bc5 19. Nf5 Rad8 $11 {SF16}) 17... Bc5 (17... e4 $19 18. Nd4 Nxd4 19. Qxh5 Nxh5 20. Rxd4 Bc5 21. Rxe4 Bxf2+ 22. Kh2 Bxg3+ 23. Kg1 Rf2 24. Rg4 Raf8 $19 {SF16}) 18. Be3 (18. g4 Qf7 19. Be3 Bxe3 20. Qxe3 Rae8 $11 {SF16}) 18... e4 19. Nd4 Qxe2 20. Nxe2 Bxe3 21. fxe3 Ne5 $15 22. b3 Rad8 (22... Nf3+ 23. Bxf3 (23. Kf2 Ng5 (23... g5 24. g4 h5 $15)) 23... exf3 24. Nc3 g5 25. g4 h5 26. gxh5 f2+ 27. Kg2 g4 28. Rd3 gxh3+ 29. Kxh3 Nxh5 30. Rf1 Ra6 $11 {SF16}) 23. Nf4 Rfe8 24. Nd5 Nxd5 25. Rxd5 Rxd5 (25... c6) 26. cxd5 Nd3 $11 (26... Nf7 $11) 27. Rd1 Nc5 28. Rd4 Kf7 29. Bf1 (29. Rc4 b6 30. a3 Re7 31. b4 axb4 32. axb4 Nb7 33. Rxe4 Rxe4 34. Bxe4 h6 35. Kf2 Kf6 $11 {Bl controls the bl squares the e must pass through if it is to attempt to advance in pursuit of a win}) 29... Kf6 (29... Ke7 30. d6+ cxd6 31. Kg2 Rf8 $15 {SF16}) 30. b4 (30. d6 $11 cxd6 (30... c6 31. h4 Rd8 32. Bh3 Ne6 33. Bxe6 Kxe6 34. Rxe4+ Kxd6 35. Ra4 Ra8 $11 {SF16}) 31. Rxd6+ Ke5 32. Rb6 Re6 33. Rb5 b6 34. a3 Kf6 $11 {SF16}) 30... axb4 31. Rxb4 b6 $15 (31... Ke5 32. a4 Ra8 33. Bb5 Rf8 (33... Kxd5 34. Rd4+ Ke5 35. Rc4 b6 $19) 34. Be2 Kd6 $19 {SF16}) 32. d6 cxd6 33. Rxb6 Ke5 34. Bc4 (34. Rb5 Ra8 35. Bc4 Rf8 $11 {SF16}) 34... Rf8 $15 (34... d5 35. Bb3 Rc8 36. Rb4 Kd6 $15) 35. Be2 Nd3 (35... Ra8 36. Bc4 Rf8 {repeats}) 36. Rb7 Rf2 $2 (36... Rc8 37. Rxg7 Rc1+ 38. Kg2 Re1 39. Rg5+ (39. Bf1 Rxe3 40. Rxh7 Kd4 41. h4 Ne5 42. Ra7 Rc3 43. h5 Rc2+ 44. Kh3 Rc1 $11 {SF16}) 39... Kf6 40. Bxd3 Kxg5 41. Bxe4 h6 42. h4+ Kg4 43. Kf2 Rc1 44. a4 Rc4 45. Bf3+ Kf5 46. Bd1 $11 {SF16; two pawns and rspecially the outside passed one are more than enough compensation for the exchange}) 37. Bxd3 $18 Rxa2 38. Re7+ Kf6 39. Rxe4 d5 40. Rf4+ Ke7 41. Bxh7 Ra3 42. Kf2 Ra2+ 43. Kf3 Rh2 44. Bf5 Kf6 45. Bg4+ Ke5 46. Rf5+ Ke6 47. Rg5+ Kd6 48. Rxg7 Rd2 49. h4 d4 50. Rd7+ 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.6"]
[White "Van Kemenade, J."]
[Black "Davis, Lee"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1670"]
[BlackElo "1927"]
[Annotator "User"]
[PlyCount "63"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.11"]

{[%evp 0,63,19,19,122,36,118,37,-2,20,34,-35,3,-41,48,52,34,33,66,2,-1,-35,0,-3,27,14,17,-15,25,-7,20,-28,-17,-28,-3,-62,-21,-31,37,-121,-134,-112,-82,-82,-60,-49,-49,-32,-32,-93,-49,-208,-56,-104,-21,-21,-21,-21,-29,-21,-21,-39,-39,-39,-36,-36]} 1. e4 g6 2. d3 (2. g3 d6 3. Bg2 Bg7 4. Nc3 c5 5. f4 Nc6 6. d3 Nf6 7. Nf3 O-O 8. O-O Rb8 9. h3 e6 10. g4 Nd4 11. f5 {D James-Davis, WLS Seniors ch 2018,1-0}) 2... Bg7 3. f4 d6 4. Nf3 c5 5. g3 (5. Be2 {main}) 5... Nc6 6. Bg2 e6 7. O-O Nge7 8. Nc3 (8. c3) 8... Rb8 9. Ne2 {second frequent} (9. Be3 {main}) 9... O-O 10. Qe1 (10. c3 {main}) (10. g4) 10... Nb4 11. Qd1 d5 (11... b5 12. c3 Nbc6 13. Be3 (13. d4) (13. g4)) 12. e5 d4 13. g4 b5 (13... f6 14. Ng3 $11 {SF16}) 14. Ng3 (14. g5 {played succesfully by R van Kemenade in positions starting from 1 f4, not liked by engine, but longterm plan of putting a N into f6}) 14... Qb6 15. Kh1 (15. Ne4 Nbd5 16. Qe1 Bb7 17. Nd6 Bc6 18. h4 $14 {SF16}) 15... Bb7 16. Bd2 (16. Ne4 c4 17. Nf6+ Bxf6 18. exf6 Ned5 19. a3 Nc6 20. Qe1 (20. g5 cxd3 21. cxd3 Rfd8 22. Qe1 (22. Nh4) 22... Ne3 23. Qh4 Nf5 24. Qh3 Rbc8 25. Nh4 Nxh4 26. Qxh4 h5 27. gxh6 Kh7 $17) 20... cxd3 21. cxd3 Nxf6 22. Qh4 Nd5 23. f5 $11 {SF16}) 16... Nbd5 17. Ng5 f6 (17... c4 18. Qe2 Ne3 19. Bxe3 dxe3 20. Bxb7 cxd3 21. cxd3 Rxb7 22. Rac1 Nd5 $15 {SF16}) 18. exf6 Bxf6 (18... Rxf6 19. N5e4 Rff8 20. Qe2 c4 $17 {SF16}) 19. f5 (19. Qe2 Ne3 $11 {SF16}) 19... exf5 20. gxf5 Bxg5 (20... Ne3 21. Bxe3 Bxg2+ 22. Kxg2 dxe3 23. Qg4 e2 24. Rf2 Qc6+ 25. N5e4 Bxb2 26. Re1 Kh8 27. fxg6 Rxf2+ 28. Kxf2 Nxg6 29. Kxe2 c4 $17 {SF16}) 21. Bxg5 Nxf5 22. Nxf5 Rxf5 (22... gxf5 $15) 23. Rxf5 gxf5 24. Qh5 $11 (24. Qe2 Ne3 $11) 24... Qg6 25. Qh4 {surprisingly this natural move fails the engine precision measure.} (25. Qxg6+ {Wh is a pawn down, swaps off his Q, connects Bl's K side pawns, but is the way to draw!} hxg6 26. Kg1 Nc7 (26... Ba8 27. Bxd5+ Bxd5 28. Re1 $11) 27. Bf4 Bxg2 28. Bxc7 Rc8 29. Bf4 Bc6 30. Re1 $11) 25... Kf7 {worried about Rg1} (25... Ne3 $1 26. Bxb7 Rxb7 27. Bxe3 Qc6+ 28. Kg1 dxe3 29. Qd8+ Kf7 30. Qh4 Ke8 31. Qg5 Re7 $19 {SF16}) 26. Re1 (26. Rg1 h6 27. Bd8 Qe6 28. Qh5+ Kf8 29. Bf3 Nf4 30. Be7+ Kxe7 (30... Qxe7 $2 31. Qxh6+ Ke8 32. Rg8+ Kd7 33. Bxb7 Rxb7 (33... Rxg8 34. Qc6+ Kd8 35. Qc8#) 34. Rg7 $18) 31. Qh4+ Kf7 32. Qxf4 Bxf3+ 33. Qxf3 Rg8 34. Rxg8 Kxg8 35. Qa8+ Kf7 36. Qxa7+ Kg6 37. Qxc5 Qe1+ $11 {SF16}) (26. Rf1 Ke6 27. Re1+ Kd7 28. Re5 Rg8 29. Bxd5 Bxd5+ 30. Rxd5+ Kc6 31. Qg3 {typical engine idea few humans would contemplate} Kxd5 32. Qf3+ Kd6 33. Bf4+ {perpetual, SF16}) 26... Rg8 27. Re5 Qxg5 28. Qxg5 Rxg5 29. Bxd5+ Kf6 (29... Bxd5+ 30. Rxd5 Ke6 31. Rxc5 b4 32. c4 bxc3 33. bxc3 dxc3 34. Rxc3 $11 {SF16}) 30. Re6+ Kf7 31. Re5+ (31. Rc6+ {kibitzer suggestion} Ke7 32. Rc7+ Kd6 33. Rxb7 Kxd5 34. Rxh7 a6 35. h4 Rg4 36. h5 Ke5 37. Rc7 Kf4 38. Rxc5 Rg5 39. h6 Rh5+ 40. Kg2 Rxh6 $11) 31... Kf6 32. Re6+ {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.7"]
[White "Cooke, Mark"]
[Black "Quinn, Peter"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1413"]
[BlackElo "1645"]
[Annotator "User"]
[PlyCount "70"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.16"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 (5... exd6 6. b3 Be7 7. h3 Bf6 8. Nf3 Nc6 9. Be3 Qe7 10. Be2 Bf5 11. a3 h6 12. Ra2 {Cooke-Zabehlicky. Wld Seniors ch tm, Prague 2020, 1/2-1/2}) 6. Nc3 g6 7. b3 (7. Be3 Bg7 8. Rc1 O-O 9. b3 {main}) (7. a4 a5 8. Be3 Bg7 9. Rc1 Nc6 10. d5 Ne5 11. b3 O-O 12. h3 e6 13. f4 Qh4+ 14. Bf2 Qxf4 15. Bxb6 {R Van Kemenade-Quinn, WLS rapid ch 2022,1-0}) 7... Bg7 8. Rb1 $146 (8. Be3 {148 games, 49% for Wh}) (8. Bb2 {60 games,29% for Wh}) 8... Nc6 9. Bd3 $2 (9. Be3) (9. Nf3) (9. Nge2) 9... Nxd4 $17 10. Nge2 Bg4 (10... Nxe2 11. Nxe2 d5 $17 {SF16}) 11. Bb2 O-O 12. f3 Nxe2 {simplest} (12... Bxf3 {second line SF16} 13. gxf3 Nxf3+ 14. Kf2 Ne5 $17 {3 pawns for the piece and an exposed K}) 13. Nxe2 Be6 14. O-O Qd7 (14... Bxb2 15. Rxb2 Nd7 $17 {SF16}) 15. Nd4 Rac8 (15... Rad8) 16. f4 (16. Re1 $11 {SF16, probably based on Wh's extra space}) 16... Bg4 17. Be2 (17. Qd2 e5 18. Nc2 Bh6 $17 {SF16}) 17... Bxe2 18. Qxe2 e6 (18... d5 $19 {SF16- opening up lines for the Bl Rs to take part}) 19. Rbd1 Qc7 20. Kh1 a6 21. h4 d5 $19 22. h5 dxc4 23. hxg6 hxg6 24. Rf3 Rfe8 25. Rh3 Qxf4 (25... Nd5 26. Qxc4 Nxf4 $19 {SF16}) 26. Rf3 Qe5 27. Qf2 c3 28. Bc1 (28. Bxc3 Rxc3 29. Rxc3 Qh5+ 30. Rh3 Qxd1+) 28... Nd5 29. Ba3 b5 30. Rh3 Qf4 (30... Nf4) 31. Rf3 Qe5 32. Bc1 Red8 33. Rh3 Nf6 34. Qh4 Nh5 35. Ba3 Rxd4 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "4.8"]
[White "Morgan, David"]
[Black "Hurn, Robert AJ"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1524"]
[BlackElo "1644"]
[Annotator "User"]
[PlyCount "75"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.16"]

{[%evp 0,8,80,-59,-30,-26,-9,-20,-2,-89,-69]} 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 (3... d5 {main}) 4. e4 (4. Bg2 {main} O-O 5. e4 (5. e3 Re8 6. Nge2 c6 7. Qb3 Bf8 8. d4 exd4 9. Nxd4 Na6 {Derrett-Hurn, Guernsey Holiday op, 2003,1/2-1/2}) 5... c6 6. Nge2 Re8 7. O-O d6 8. h3 Nbd7 9. d3 h6 10. f4 Nf8 11. f5 {Forsey-Hurn, WLS Open Cardiff 2023,1-0}) 4... Nc6 (4... Bxc3 5. dxc3 d6 (5... Nxe4 6. Qg4 {2,5-0.5} (6. Qd5 Nf6 7. Qxe5+ Qe7 8. Qxe7+ Kxe7 9. h3 Nc6 10. Be3 d6 11. O-O-O Be6 {Homa-Mansurov, Chicago op 2023,1/2-1/2}))) 5. Nge2 d6 6. Bg2 O-O (6... Bg4) 7. h3 a5 8. O-O {15-4-6} Bc5 9. d3 h6 (9... Nd4) 10. Kh2 Bd7 11. Nd5 (11. f4 $11 {0.5-2.5}) 11... Nxd5 12. cxd5 Nd4 13. Be3 (13. f4 f5 14. Bd2 Qe8 15. Rc1 Nxe2 16. Qxe2 Bb6 17. Be3 Bxe3 18. Qxe3 c5 $11 {Poelsterl-Petzold. Mittelfranken ch tm 2015,0-1}) 13... a4 (13... Nxe2 14. Qxe2 Bxe3 15. Qxe3 c6 $11 {Kock-Rottstaedt, Ruhrgebiet VL1, 2007,1/2-1/2}) 14. Bxd4 Bxd4 15. Nxd4 exd4 16. f4 c5 (16... c6 $11) 17. e5 $14 Qb6 18. Qd2 dxe5 19. fxe5 Rad8 (19... Qg6) 20. Rf2 Qa6 21. Raf1 b5 (21... Rde8 22. Rf6 gxf6 23. Rxf6 Rxe5 24. Rxa6 bxa6 25. Qxh6 Rfe8 26. Be4 $16 {SF16}) 22. Be4 $18 (22. Rf6 $18 Qxf6 (22... gxf6 23. exf6 Qxf6 24. Rxf6) (22... Qc8 23. Be4 Bxh3 24. Rxh6 $18) 23. exf6 Rde8 24. fxg7 Kxg7 25. Qf4 $18 {SF16}) 22... Qc8 23. Bf5 $2 (23. Rf6 $1 $18 {takes a bit of courage to play moves like this} Bxh3 24. Rxh6 Bxf1 25. Qg5 Qh3+ 26. Rxh3 Bxh3 27. Kxh3 $18 {SF16}) 23... Bxf5 24. Rxf5 Rxd5 $19 25. Qf4 Qe6 26. b3 a3 (26... axb3 27. axb3 Re8 28. Rf2 Rd7 29. Qc1 Rc7 $19 {SF16}) 27. g4 Rd7 (27... Re8 28. Re1 c4 29. bxc4 bxc4 30. dxc4 Rd7 $19 {SF16}) 28. g5 hxg5 (28... Re8 29. gxh6 g6 30. h7+ Kh8 31. Rxf7 Rxf7 32. Qxf7 Qxf7 33. Rxf7 Rxe5 34. Kg3 Re2 $19 {SF16}) 29. Rxg5 $11 Qh6 30. Rfg1 g6 (30... f6 31. Rxg7+ Qxg7 32. Rxg7+ Rxg7 33. e6 Re7 34. Qg3+ $11 Rg7 35. Qf3 Re7 36. Qg3+ {SF16}) 31. e6 Re7 32. exf7+ Kh7 $11 33. Qg4 Rexf7 34. Rg2 (34. Rxg6 Qf4+ $11) 34... Rf3 35. Rxc5 Qf4+ 36. Qxf4 R8xf4 37. Rg3 Rf2+ 38. Rg2 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.08.11"]
[Round "5.1"]
[White "Thomas, Mark"]
[Black "Van Kemenade, R."]
[Result "1/2-1/2"]
[ECO "C20"]
[WhiteElo "1724"]
[BlackElo "1934"]
[Annotator "User"]
[PlyCount "144"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.11"]

{[%evp 0,144,40,28,16,-27,-55,-64,-46,-46,31,4,23,-81,-54,-34,-45,-44,-19,-16,-24,-31,-10,-6,-8,1,-20,-8,-15,-23,-29,-23,-25,-25,-17,-42,-13,-38,9,-2,3,-37,-35,-52,-38,-42,-33,-65,-73,-60,-69,-63,-58,-61,-66,-60,-42,-33,-39,-22,-8,-8,10,-28,-8,33,-31,-57,-56,-62,10,-5,10,4,7,-19,-5,0,0,0,29,3,55,76,69,50,48,13,134,155,113,117,176,160,158,102,1025,1025,1262,665,1559,1559,2790,409,480,823,921,154,199,209,167,181,145,143,138,171,176,180,180,159,161,161,152,144,273,248,497,235,235,497,509,509,509,108,108,527,527,92,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Bb5 {Portugese op, as played by Wh in an ealier rd} Nf6 (2... c6 3. Ba4 Nf6 {main}) 3. d4 c6 4. dxe5 Nxe4 5. Bd3 Nc5 6. f4 (6. Nf3 {main}) 6... d6 7. Nf3 dxe5 (7... Nbd7 8. O-O dxe5 9. fxe5 Ne6 10. Nc3 Ndc5 11. Kh1 Be7 $11 {Thomas-Evans, WLS U 150 league 2020,1-0}) 8. fxe5 Nxd3+ 9. cxd3 Bg4 (9... Bb4+ 10. Nc3 Bg4 11. O-O $11 {Jensen-Christensen,DEN ch , Sporking,2014,1/2/1/2}) 10. O-O Be7 (10... Bc5+ $15 11. Kh1 O-O 12. Nc3 Bd4 {Pickersgill-Belin, Guersey 2009,0-1}) 11. Nc3 O-O (11... Nd7 $15) 12. Be3 Nd7 13. d4 Nb6 14. Qd3 Nd5 (14... h6) 15. Bd2 Bh5 16. a3 Bg6 $15 17. Qe2 Nc7 (17... Qb6 18. b4 Rfd8 $15 {Sf16}) 18. Rad1 Ne6 (18... b5 $15) 19. Be3 $11 Nc7 20. Rd2 Nd5 21. Bf2 Nxc3 22. bxc3 Bxa3 $15 23. Ra2 Be7 24. Rfa1 a6 (24... a5) (24... b5 25. Rxa7 Rxa7 26. Rxa7 Re8 $11 {SF16}) 25. c4 Bf5 (25... Qd7 $17) 26. c5 Qd5 27. Nd2 (27. Rd2) 27... Be6 28. Rb2 (28. Ra4) 28... Rab8 29. Ne4 Qc4 (29... f6) 30. Qe3 $11 a5 (30... Qd5 $11) 31. Be1 (31. Rxa5 Ra8 32. Rxa8 Rxa8 33. Rxb7 $11 {SF16}) 31... a4 (31... Bd8 $17) 32. Rb4 (32. Nd6 Bxd6 33. exd6 Ra8 $11 {SF16}) 32... Qc2 33. Rbxa4 (33. Rc1 $11) 33... Bd5 $17 34. Nd2 f5 (34... f6 {SF16, considered by Bl} 35. Bg3 (35. e6 Rbe8 36. Ra7 f5 37. Nf3 Bf6 38. Qf2 Qe4 39. Rxb7 Rxe6 $19) 35... Rbe8 36. Nf3 fxe5 37. Bxe5 Qg6 38. Kh1 Qh5 $17) (34... b5 {removes a weakness and brings a R into the game,SF16} 35. cxb6 Rxb6 36. Ra7 Rb3 37. Qf4 Bb4 38. Ra8 Qg6 39. Bg3 Rb2 40. Rxf8+ Bxf8 (40... Kxf8 41. Ra8+ Ke7 42. Bh4+ f6 43. exf6+ gxf6 44. Ra7+ Ke6 45. Qe3+ $11) 41. Ra8 h6 42. Qe3 Qc2 43. Be1 Rb3 44. Qf2 Ra3 45. Rxa3 Bxa3 46. Nf1 Qc1 47. Qd2 Qb1 48. h3 Bb2 {wins the d pawn,as} 49. Bf2 Bc4 50. Be1 Qa1 {SF16, a rather long variation, but where Bl keeps ann edge throughout}) (34... h6 {looked at by Bl} 35. Qf2 (35. h4 f6 36. e6 f5 $19) 35... f6 36. Nc4 Qd3 37. R1a3 Qg6 38. Rg3 Qh5 39. e6 Rfe8 $17 {SF16}) 35. Nf3 f4 36. Qf2 Qf5 37. Ba5 Ra8 (37... Rbc8 $1 $19 {SF16} 38. Be1 (38. Rb4 g5 39. Rxb7 (39. h3 h5 40. Rxb7 Rce8) 39... g4 40. Rxe7 (40. Nh4 Qf7 41. e6 Qf6 42. Nf5 Qxf5 43. Rxe7 g3 44. hxg3 Qg5 45. Bd8 f3 $19)) 38... g5 39. Nd2 g4 40. Nb1 f3 41. g3 Bg5 42. Nc3 Be6 43. Nd1 Rcd8 $19 {SF16, though not immediately clear how to break through} 44. Ne3 Qd3 45. R1a3 Qe2 46. Bd2 Rb8 47. Rb4 Ra8 48. Rxa8 Qxf2+ 49. Kxf2 Rxa8 50. Rb2 (50. Rxb7 Ra2) 50... Bxe3+ 51. Bxe3 Ra1 52. d5 Bxd5 53. Bd4 h5 54. Ke3 Kf8 55. Kf4 Ra4 56. Ke3 Ke8 57. Bc3 Ra3 58. Kd4 Kf8 59. Kd3 Ra7 60. Ke3 Kf7 {it is often painful to watch an engine slowly maximising its position to the utmost, rather than follow a simpler plan} 61. Kf4 Kg6 62. Ke3 Ra4 63. Rd2 Ra3 64. Kd4 Kf5 65. Kd3 Ra4 66. Bd4 Bc4+ 67. Ke3 Ra3+ 68. Kf2 Be6 69. Ke1 Ra4 {and it looks like the e pawn will be lost( the c5 pawn is even more serious)} 70. Kd1 Ke4 71. Bf2 Ra1+ 72. Kc2 Bd5 73. Kc3 Rc1+ 74. Kb4 Kxe5 $19 {and now it still takes ages to get to a win}) 38. Bc7 Rxa4 39. Rxa4 g5 40. Bd6 Rf7 (40... Re8 {prevents the backrank check, but the text appeared to guard the b pawn} 41. Ra7 (41. Rb4 Ra8 $19) 41... g4 42. Ne1 Bg5 43. Qc2 (43. Rxb7 Ra8) 43... Qf7 44. Ra3 f3 $19 {sf16}) 41. Ra8+ Bf8 $2 (41... Rf8 42. Ra7 Re8 43. h3 h5 44. Rxb7 Ra8 45. Bxe7 (45. Rxe7 g4 $19) 45... Ra1+ 46. Kh2 g4 47. Bh4 gxf3 48. gxf3 Qg6 49. Rb8+ Kf7 50. Rb7+ $11 {SF16}) 42. h3 (42. e6 Bxe6 43. Ne5 Rf6 44. Be7 Qb1+ 45. Qf1 Qxf1+ 46. Kxf1 Rf5 47. Rb8 Kg7 48. Rxb7 Kh6 49. Bxf8+ Rxf8 50. Rb6 $18 {SF16}) (42. Qe1 $1 Be6 (42... Kg7 43. e6 Bxe6 44. Re8 Bd5 45. Re5 Qc8 46. Rxg5+ $18) 43. d5 cxd5 44. h3 Kg7 (44... g4 45. hxg4 Qxg4 46. Rxf8+ Rxf8 47. Bxf8 Kxf8 48. Qb4 $18) 45. Nd4 Qg6 46. Re8 Bd7 47. Bxf8+ Rxf8 48. Rxf8 Kxf8 49. e6 Bc6 (49... Bc8 50. Qe5) 50. Qe5 (50. Nxc6 bxc6 51. Qe5 Qg7 52. Qb8+ Ke7 53. Qd6+ $18) 50... Qg7 51. Qb8+ Be8 52. Nf5 Qa1+ 53. Kh2 f3 54. Qd6+ Kg8 55. Nh6+ Kg7 56. Ng4 Kg6 57. Qf8 $18 {SF16, mate & B are threatened Another long sequence not that easy to work out}) 42... h5 43. h4 (43. Qe1 $18 {SF16} g4 (43... Kg7 44. e6 Bxe6 45. Qe5+ Qxe5 46. dxe5 Be7 (46... Bxd6 47. cxd6 Rf5 48. Re8 Bd7 49. Re7+ Rf7 50. Rxf7+ Kxf7 51. Nxg5+ Ke8 52. e6 Bc8 53. Kf2 $18) 47. Re8 g4 48. Nd4 Bd7 49. Rxe7) 44. Nh4 Qe6 45. Qb1 Bxg2 46. Ng6 f3 47. Rxf8+ $18 {SF16}) 43... Bxf3 (43... g4 44. e6 $1 {SF16} (44. Ng5 {the human move?} g3 45. Qf1 f3 46. Nxf3 (46. e6 f2+ 47. Kh1 Qg4 48. exf7+ Kg7 49. Be5+ Kg6 50. Qb1+ Be4 51. Bxg3 Bxb1 52. Bxf2 Kg7 53. Kh2 $11) (46. Nxf7 $2 f2+ 47. Kh1 Qh3#) 46... Bxf3 47. Rxf8+ Rxf8 48. Bxf8 Bg4 (48... Qxf8 49. Qxf3 $18) 49. Bh6 Qxf1+ 50. Kxf1 Kf7 51. Bf4 Ke6 52. Bxg3 Kd5 $11 {SF16- despite the two pawns down, Bl has a barricade})) 44. gxf3 g4 (44... Qb1+ {Bl had seen Qa2, but missed some of the consequences. Considered, but couldn't see how to improve on a Q swap} 45. Qf1 Qb2 46. e6 $1 {SF16} (46. Qf2 Qc1+ 47. Kg2 {is as far as Bl got without seeing a followup}) 46... Qxd4+ 47. Kh1 $18) 45. Qa2 (45. fxg4 hxg4 46. e6 Qxe6 47. Bxf8 Rxf8 48. Rxf8+ Kxf8 49. Qxf4+ Kg7 50. Kf2 $18 {SF16}) 45... Kg7 46. e6 Bxd6 {in a lost position, one may as well create chaos-Speelman} (46... Re7 47. Bxe7 Bxe7 48. Qe2 Qd5 49. Qe5+ Qxe5 50. dxe5 Bxc5+ 51. Kg2 g3 52. Ra4 Be3 53. Ra8 Bc5 54. Rd8 Be7 55. Rd4 Bxh4 56. Rxf4 Bg5 57. Rf7+ Kg8 58. f4 Bh6 59. Rxb7 $18 {SF16}) 47. cxd6 (47. exf7 Bf8 48. Qe2 Kxf7 49. Rb8 $18) 47... gxf3 (47... Rf8 48. Rxf8 Qxf8 49. e7 $18 {is simpler for Wh to play}) 48. exf7 {[%emt 0:00:15] SF16 declares mate in} Qg4+ 49. Kf1 (49. Kh1 $1 Qxh4+ 50. Qh2 Qe1+ 51. Qg1+ Qxg1+ 52. Kxg1 Kxf7 53. d7 {is an esy win}) 49... Qh3+ 50. Ke1 Qxh4+ (50... f2+ 51. Qxf2 Qc3+ 52. Kf1 Qd3+ 53. Kg1 Qd1+ 54. Kh2 {SF16}) 51. Kd2 (51. Kd1 Qh1+ 52. Kc2 Qg2+ 53. Kc3 {SF16}) 51... Qf2+ 52. Kc3 Qe3+ 53. Kb4 {in principle not a wise choice as more Wh pawns go} (53. Kc4 b5+ {probably was what Wh wished to avoid, however} (53... Qe6+ 54. Kc5 Qf5+ 55. Kb6 Qb5+ 56. Kc7) 54. Kc5 Qc3+ 55. Kb6 Qxd4+ 56. Kc7 {and the Bl pawns give shelter}) 53... Qxd4+ 54. Qc4 Qxd6+ 55. Kc3 Qe5+ 56. Qd4 Qxd4+ 57. Kxd4 Kxf7 {5 pawns for a R, but the K side ones are a mess} 58. Ke5 {going for a quick mate?} (58. Ke4 {Lee gives as winning instead of text- SF16 has both as winning}) 58... f2 59. Ra1 c5 (59... b5 {makes no difference}) 60. Rf1 (60. Kxf4 {the Q side pawns are too far back, so the R can keep them under restraint} Ke6 61. Ke3 h4 62. Kxf2 c4 63. Rh1 b5 64. Rxh4 Kd6 65. Ke3 Kc5 66. Rh8 {the Wh K is too close} (66. Kd2 {also})) 60... b5 61. Rxf2 Ke7 (61... c4 62. Rxf4+ (62. Kxf4 c3 {the pawns look dangerous, but with precision the R captures them} 63. Ke3+ Kg6 64. Rf8 Kg5 65. Rb8 Kg4 66. Rxb5 h4 67. Rc5 h3 (67... Kg3 68. Rg5+ Kh2 69. Kf3 h3 70. Rc5) 68. Kf2 h2 69. Kg2 $18) 62... Kg6 63. Rf5 h4 64. Ke4 b4 65. Rc5 c3 66. Rc4 h3 67. Kf3 $18 {SF16}) 62. Rxf4 {[%emt 0:00:20] wins in} (62. Kxf4 {[%emt 0:00:22] wins in}) 62... b4 63. Kd5 (63. Rc4 Kf7 64. Rxc5 Kg6 65. Rc8 Kg5 66. Rg8+ Kh4 67. Kf4 Kh3 68. Kf3 b3 69. Rg3+ (69. Rg2 h4 70. Rf2 b2 71. Rf1 Kh2 72. Rb1 h3 73. Rxb2+) 69... Kh2 70. Kf2 b2 71. Rb3 h4 72. Rxb2 Kh3 (72... h3 73. Rb3 {tablebases})) 63... b3 64. Kxc5 b2 (64... Ke6 65. Rb4 Ke5 66. Kc4 Kf4 67. Kc3+ Kg3 68. Kd3 h4 69. Ke2 h3 70. Kf1 $18 {TB}) 65. Rb4 Kf6 66. Kd5 (66. Kd4 Kf5 67. Ke3 h4 68. Kf3 {TB}) 66... Kf5 67. Rxb2 h4 (67... Kf4 68. Rh2) 68. Rb8 {following a general principle of R behind, but in this position the game is drawn} (68. Rb4 $18 {cuts the K off} Kg5 69. Ke4 Kg4 70. Rb8 {now behind is fine} Kg3 71. Ke3 h3 72. Rg8+ Kh2 73. Kf3 Kh1 74. Rh8 h2 75. Rb8 Kg1 76. Rb1# {TB}) 68... h3 69. Rh8 (69. Kd4 Kf4 70. Kd3 Kf3 71. Kd2 h2 $11 {TB}) 69... Kg4 70. Ke4 Kg3 71. Ke3 Kg2 72. Rg8+ Kf1 {the only move, TB} (72... Kf1 73. Kf3 h2 74. Rh8 $11 (74. Rb8 $2 h1=Q+)) 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.08.11"]
[Round "5.2"]
[White "Havard, Gwyn"]
[Black "Saunders, Walter NR"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1848"]
[BlackElo "1043"]
[Annotator "User"]
[PlyCount "42"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.16"]

{[%evp 0,17,15,15,40,47,37,3,48,9,6,-9,13,14,5,15,3,6,6,-5]} 1. e4 e6 (1... d5 {1-1-1 Havard + a loss in rd4 to Mark Thomas}) (1... e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O {Saunders-Georgievski, EU cup sf Breda 1998, 1/2-1/2}) 2. d4 d5 3. exd5 (3. Nc3 {is what Bl has mostly faced}) 3... exd5 4. Bd3 Nf6 (4... Bd6 5. Ne2 Ne7 6. Bf4 O-O 7. Nd2 Bf5 8. Nf3 Bxd3 9. Qxd3 Ng6 10. Bg3 {Havard-Harding, S Wales New Year major 2020,1/2-1/2}) 5. Ne2 Nc6 6. O-O Be7 (6... Bd6 {main}) 7. Bf4 O-O 8. Nd2 (8. c3 {8-2-4}) 8... Nb4 $146 (8... Bg4 {0.5-1.5}) (8... Re8 {1-0}) 9. Nf3 (9. Bb5 c6 10. Ba4 Bg4 11. a3 Na6 12. c3 Nh5 13. Be5 f6 14. Bg3 Nxg3 15. hxg3 $11 {SF16}) 9... Nxd3 10. Qxd3 Ne4 11. Ng3 Nxg3 12. fxg3 c6 13. Rae1 $11 {but Wh has more space , development, and open lines} Be6 14. Ne5 (14. c3) 14... Bf6 (14... Re8 {SF16 slightly prefers B, perhaps because of the pawn levers, which Wh lacks} 15. Re2 Qb6 16. b3 c5 17. Rfe1 cxd4 18. Nf3 Bb4 19. Bd2 Bc5 20. Ng5 g6 21. Kh1 Bd7 22. Qf3 Rf8 23. b4 Bxb4 24. Rb1 a5 25. a3 h6 26. Nh3 Bb5 27. axb4 Bxe2 28. Qxe2 a4 $15 {SF16- a bit obscure}) 15. Nxf7 $2 {but the B can take, & not stay on e6} Bxf7 $19 16. g4 Bg6 17. Qg3 Bxd4+ 18. Kh1 Qf6 (18... Bc5) 19. c3 Bc5 20. g5 Qf7 21. b4 Bd6 0-1

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "5.3"]
[White "Hughes, Anthony"]
[Black "Batey, Richard"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1838"]
[BlackElo "2044"]
[Annotator "User"]
[PlyCount "119"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.17"]

1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Qc2 h6 9. Bh4 Nbd7 10. Nge2 Re8 11. O-O Nf8 (11... Ne4 {main}) 12. f3 (12. Bxf6 Bxf6 13. b4 a6 14. a4 Bg4 15. b5 axb5 16. axb5 Qd6 17. Rfc1 c5 18. dxc5 Qxc5 19. Qb3 Be6 20. Rxa8 Rxa8 21. Nd4 {Hughes-Li, Titled Tuesday blitz 2921,1-0}) 12... Ne6 13. Rad1 c5 (13... b6) (13... Nh5 {main lines}) (13... Bd7 $11 {Cloud Engines}) 14. Bxf6 {2-1} (14. dxc5 {2-1}) 14... Bxf6 15. dxc5 Bxc3 $146 {SF16 & at least one other Engine} 16. Qxc3 (16. Nxc3 Nxc5 17. Bh7+ Kh8 18. Nxd5 $18 {Cloud Engines}) 16... Bd7 17. Nd4 Rc8 18. b4 (18. Nxe6 fxe6 19. b4 $18 {SF16}) 18... b6 19. Ba6 Rc7 20. Nxe6 (20. Nb5 Bxb5 21. Bxb5 Rf8 22. Qb3 (22. Qe5 bxc5 23. Rxd5 Qb8 24. Bd7 cxb4 25. Bxe6 fxe6 26. Qxe6+ Kh8 27. Rfd1 $16) (22. c6 Qd6 23. Ba4 a6 24. Bb3 d4 25. exd4 Rxc6 26. Qd2 $16) 22... bxc5 23. Rxd5 Qe7 24. bxc5 Rb8 25. Qd3 Nxc5 26. Qe2 $11 {SF16}) 20... Bxe6 (20... Rxe6 21. Rxd5 bxc5 (21... Qe7 22. Bc4 bxc5 23. bxc5 Rxe3 24. Qd4 Ra3 25. Bb3 $18) 22. Bb5 cxb4 23. Qd2 $18 {SF16}) 21. Bb5 (21. c6 $18 {SF16}) 21... Ree7 22. Qd4 bxc5 23. bxc5 Qc8 24. Rc1 (24. c6 $18 {SF16}) 24... Qb8 (24... Bd7 25. Bd3 Bf5 26. Rfd1 Bxd3 27. Rxd3 Qe8 28. Rdc3 $18 {SF16}) 25. a4 f6 26. Rfd1 Bf7 27. Rb1 (27. c6 {SF16}) 27... Qc8 28. Rdc1 Re5 29. Rc3 Rce7 30. Rbb3 (30. c6 {SF16}) 30... Qe6 31. Kf2 Bg6 32. Rb2 Rh5 33. h3 Re5 34. Rbb3 Rc7 35. Bd3 Bxd3 36. Rb8+ Kf7 37. Qxd3 Qc6 38. Qh7 (38. Qd1 $18) 38... Re8 (38... Qxa4 $14 {SF16}) 39. Rxe8 Qxe8 40. Qc2 (40. Qd3 Qc6 41. Qb5 $18 {SF16}) 40... Qc6 41. Qa2 Ke7 42. Qc2 Kf7 43. h4 Rb7 44. Qa2 (44. Rd3 $18 Rc7 45. Qa2 Rd7 (45... Qxc5 46. Rxd5 Qc2+ 47. Qxc2 Rxc2+ 48. Kg3 $18) 46. Rc3 Kf8 $16 {SF16}) 44... Ke7 45. Rd3 Qxc5 {so the pawn never got to c6} (45... Rd7) 46. Qxd5 $18 Rb2+ 47. Kg3 Qxd5 (47... Qc7+ 48. f4 a6 49. h5 $18 {SF16, though with the ectra pawn a centre one- not so easily sacrificed to put the Bl forces on distant positions, it will still be a long game}) 48. Rxd5 Rb4 (48... Rb6 49. Ra5 a6 50. h5) 49. Ra5 Rb7 50. Kf4 (50. h5) 50... g6 51. g4 Rb4+ 52. e4 Rb7 53. Ke3 Rd7 54. Ra6 (54. h5 Kf7 55. Ra6) 54... Kf7 55. f4 (55. h5) 55... Rb7 56. Kd4 Ke7 57. Kd5 g5 58. hxg5 hxg5 59. fxg5 fxg5 60. Ke5 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "5.4"]
[White "Quinn, Peter"]
[Black "Davis, Lee"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1645"]
[BlackElo "1927"]
[Annotator "User"]
[PlyCount "56"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.17"]

1. e4 (1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. c4 d6 6. O-O Nbd7 7. Nc3 h6 8. e4 e5 {Davis-Quinn, WLS Seniors Ch 2022,1-0}) 1... g6 2. d4 d6 3. Be3 Nf6 4. Nc3 c6 5. f3 Nbd7 (5... b5 {main}) 6. Qd2 e5 (6... b5) (6... Qa5 {main lines}) 7. dxe5 (7. O-O-O {61% for Wh}) 7... dxe5 8. Bh6 {best waiting with this move till Bl has moved his B} (8. O-O-O {Fat Fritz2}) 8... Bxh6 9. Qxh6 Ng8 (9... Nc5 {FF2 & SF16}) 10. Qd2 Qe7 11. h4 h5 12. O-O-O $11 Nc5 13. Nge2 Be6 14. Kb1 Rd8 15. Qxd8+ (15. Qe1) 15... Qxd8 16. Rxd8+ Kxd8 17. b4 Nd7 18. Nd1 (18. Nc1 {both Engines}) 18... Nb6 19. Nb2 Nc4 20. Nxc4 Bxc4 21. Nc3 (21. Nc1 {both Engines}) 21... Be6 22. Na4 b6 23. Be2 Ne7 24. Rd1+ Kc7 25. c4 (25. Nb2 {both Engines again}) 25... Rd8 (25... g5 26. hxg5 Rg8 27. Rh1 Rxg5 28. Bf1 Ng6 $15 {both Engines}) 26. Rxd8 Kxd8 27. Kb2 Kc7 28. c5 f6 {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "5.5"]
[White "Adams, Mark"]
[Black "Van Kemenade, J."]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1898"]
[BlackElo "1641"]
[Annotator "User"]
[PlyCount "53"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.11"]

{[%evp 0,53,80,53,73,73,73,84,96,40,61,13,28,33,63,26,95,80,90,45,126,139,139,90,111,78,147,110,133,142,137,133,133,134,198,47,63,14,108,96,109,75,75,4,419,509,509,454,454,454,662,692,781,726,703,463]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. Nf3 Nbd7 (6... Bg4 7. fxe5 dxe5 8. dxe5 Bxf3 9. Qxf3 Qxe5 10. Bf4 Qe6 11. O-O $16 {Adams-Van Kemenade,WCPL 2015,1-0}) 7. Bd2 (7. O-O {main}) 7... Qb6 (7... Qc7 {gives better chances}) 8. Na4 Qc7 9. c4 b5 (9... exd4 10. Nxd4 g6 {1-2-1}) 10. cxb5 cxb5 11. Nc3 (11. Bxb5 $18) 11... a6 12. Rc1 Qd8 13. Qe2 (13. O-O $18) 13... Be7 14. fxe5 dxe5 15. dxe5 Ng4 16. Nd5 (16. Bf4 $18) 16... O-O 17. Nxe7+ (17. Bf4) 17... Qxe7 $11 18. a3 Re8 (18... Ndxe5 $11) 19. e6 fxe6 (19... Qxe6 20. Ng5 Qf6 21. Qxg4 h6 22. Bb1 hxg5 23. Bxg5 Qxb2 24. O-O Ne5 $11 {SF16}) 20. Bb4 $18 (20. e5 $18) 20... Qd8 21. e5 (21. Bc3 $18) 21... Nh6 $2 (21... Bb7 $11 {SF16}) 22. Qe4 Nf8 23. Qxa8 $18 Qxd3 24. Rxc8 Rxc8 25. Qxc8 Qb1+ 26. Kd2 Qxb2+ 27. Qc2 (27. Ke1 Qb1+ 28. Kf2 Qf5 29. Re1) 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.08.11"]
[Round "5.6"]
[White "Hurn, Robert AJ"]
[Black "Phillips, William"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1644"]
[BlackElo "1819"]
[Annotator "User"]
[PlyCount "35"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.17"]

1. d4 Nf6 2. c4 e6 (2... g6 3. f3 Bg7 4. e4 d6 5. Nc3 Nbd7 6. Nh3 c5 7. Be3 Qa5 {Hurn-Phillips, WLs Seniors Ch 2019,1/2-1/2}) 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 c6 8. Qc2 h6 9. Bh4 Re8 10. Nge2 Nbd7 11. O-O Ne4 {main} (11... Nf8 {Hughes-Batey, same rd, 1-0}) 12. Bxe7 Qxe7 13. Nc1 $146 (13. Rae1 {main}) 13... Ndf6 14. Nb3 Qd6 15. Rae1 Ng4 16. g3 Ngf6 17. f3 Nxc3 18. bxc3 $11 {[Draw?]} 1/2-1/2

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.08.11"]
[Round "5.7"]
[White "Thomas, Roy"]
[Black "Morgan, David"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1641"]
[BlackElo "1524"]
[Annotator "User"]
[PlyCount "55"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.17"]

1. f4 c5 2. Nf3 g6 3. e4 d5 (3... Bg7 {is a Grand Prix Sicilian}) 4. e5 (4. exd5 {2 draws, 2 Bl wins}) 4... Bg4 (4... Nc6 {main}) 5. Be2 (5. h3) 5... Nc6 {2-1-5} 6. O-O e6 7. h3 (7. c3 {3-3-8}) 7... Bxf3 8. Bxf3 h5 9. c3 Nge7 10. Na3 (10. d3 Nf5 {0-2}) 10... Nf5 11. Qe1 Be7 $17 {KomodoDragon3} 12. g3 a6 13. Nc2 Qb6 (13... c4 $17 {KD3}) 14. d3 c4+ (14... O-O-O) 15. d4 $11 Qd8 (15... Kd7) 16. Ne3 (16. Bd1 $14 {kD3}) 16... Nxe3 17. Bxe3 b5 18. Qd2 a5 19. b3 Qc7 20. bxc4 bxc4 21. Rab1 (21. Bd1 a4 22. Bc2 {and f5 is coming}) 21... Ba3 (21... Kd7 $11 {KD3}) 22. Qc2 $16 (22. Bd1 $16) 22... O-O (22... a4) 23. g4 $18 (23. f5 $18) 23... hxg4 24. hxg4 Kg7 25. f5 exf5 (25... Rh8 26. f6+ Kg8 27. Bf4 {stops Nxe5 ideas} Ra7 28. Kg2 Rb7 29. Rxb7 Qxb7 30. Rb1 Qc7 31. Qa4 $18 {KD3}) 26. gxf5 Nxe5 27. dxe5 Qxe5 28. Bd4 1-0

[Event "Wales Seniors Ch"]
[Site "?"]
[Date "2023.09.10"]
[Round "5.8"]
[White "Cooke, Mark"]
[Black "Dodington, Russell H"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "1413"]
[BlackElo "1435"]
[Annotator "User"]
[PlyCount "93"]
[EventDate "2023.09.11"]
[SourceVersionDate "2023.09.17"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 (4. e3 Nxe5 5. Nh3 Ng6 6. Be2 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 d6 9. Qd4 O-O 10. Nd2 Nc6 11. Qc3 d5 {G Morris-Dodington,S Wales Winter op, Newport 2001,1-0}) 4... Bc5 5. e3 Nc6 6. Bd2 (6. a3 a5 7. Nc3 Ngxe5 8. Be2 d6 9. O-O Nxf3+ 10. Bxf3 Ne5 11. Be2 O-O 12. b3 Re8 13. Bb2 Re6 14. Ne4 Ba7 15. Ng3 Rh6 (15... Qh4) 16. Bxe5 Qh4 17. Nf5 Bxf5 18. Bg3 Qe7 19. Qd2 (19. Bf3 c6 20. b4 Bb6 $16 {Pepelea-Vaccarezza, San Mateoop 1992,0-1}) 19... Re8 (19... Bb6 $11) 20. Bf3 (20. Qxa5 $18) 20... Be4 21. Bxe4 Qxe4 22. Qxa5 Bb6 23. Qd5 $16 {F May-Dodington, Lever Hall Ebbw Vale 1998,1-0}) 6... Qe7 $6 {not a good square for the Q in this line- sometimes needed if Wh tries a Qd5, holding on to e5 for the moment} (6... Ngxe5 {main}) 7. a3 (7. Nc3 $18 {SF16}) 7... a5 8. Nc3 Ngxe5 9. Be2 (9. Nd5 {4.5-0.5}) 9... d6 10. Nd5 (10. b4 Bb6 (10... Ba7 11. b5) 11. Nd5 Qd8 12. Bc3 $18 {SF16}) 10... Qd8 11. O-O Be6 12. e4 O-O $11 13. Bc3 Nxf3+ 14. Bxf3 Ne5 15. Be2 c6 16. Nf4 Ng6 (16... Bxc4 17. Bxc4 Nxc4 $15) 17. Nxe6 fxe6 18. b4 Bb6 19. bxa5 Bxa5 20. Bb2 e5 21. Qb3 Qb6 (21... Nf4 22. Bg4 Qg5 23. Bf3 Rf7 $11 {SF16}) 22. Qa2 c5 {leaves a backward pawn on d6} (22... Qc5 $11) 23. Bc1 (23. g3 $14) 23... Qc6 24. Qc2 Nf4 25. Bg4 (25. Bxf4 Rxf4 26. g3 Rf6 27. h4 $16 {SF16}) 25... Qe8 (25... h5) 26. Rb1 Qg6 27. Qd1 (27. f3) 27... Qxe4 (27... Nxg2 28. Bf5 Ne3+ 29. Bxg6 Nxd1 30. Rxd1 hxg6 31. Rxd6 $16 {SF16}) 28. Bxf4 Rxf4 29. Be6+ Kh8 30. Qxd6 (30. Bd5 {barricading the centre pawns seems more important than taking one of them immediately} Qg6 31. Rxb7 $18 {Sf16}) 30... Raf8 (30... Qd4 31. Bd5 Raf8 $11 {SF16}) 31. Bd5 (31. Qe7 Qd4 32. Rxb7 e4 33. Rd7 Rxf2 34. Qxf8+ Rxf8+ 35. Rxd4 Rxf1+ 36. Kxf1 cxd4 37. c5 $14 {SF16}) 31... Qd4 $11 32. Rbd1 Rxf2 33. Qxf8+ Rxf8+ 34. Rxd4 Rxf1+ 35. Kxf1 exd4 36. Bxb7 {the opposite colour Bs provide the draw- Bl needs another passed pawn to win} Kg8 37. Ke2 Kf7 38. Be4 h6 39. h4 Kf6 40. g4 g5 41. Kf3 $2 {and Bl is given what he wants} (41. h5 $11 {Bl is unable to win any of Wh's pawns}) (41. hxg5+ Kxg5 42. Kf3 {likewise}) 41... gxh4 $19 {with two passed pawns, the win is provided when the K is able to get to the one blockaded by the B, and thereby win it} 42. Bd3 Kg5 (42... Ke5 {gives slightly better chances, the front h pawn will be given up to allow K entry} 43. Bf1 Bc3 44. Bh3 d3 45. Bf1 Kd4) 43. a4 h3 44. Kg3 h2 45. Kxh2 Kxg4 {should still give a win, but the g pawn is far less important than Bl K entry} (45... Kf4 46. Bf5 Ke3 47. Kg1 Ke2 {and Bl wins the B , returning to mop up more pawns}) 46. Kg2 Kf4 47. Kf2 {Bl is still winning, the second h pawn needs to advance, luring either the K or B from the barrier to the d pawn getting to d3.} (47. Kf2 h5 48. Bg6 h4 49. Ke2 (49. Bc2 h3 50. Bh7 Bc7 51. Bc2 h2 52. Kg2 Ke3 $19) 49... h3 50. Bf7 h2 51. Bd5 Kg3 52. Bh1 Kf4 53. Bg2 Ke5 54. Bf3 Kd6 55. Bd5 Bc3 56. Be4 Kc7 57. Bg2 Kb6 58. Bd5 Ka5 59. Bc6 Kb4 60. Kd3 Kb3 61. Bb7 Ba5 (61... Kxa4 62. Bf3 Kb3 63. Ba8 Ba5 64. Bg2 Kb2 65. Bh1 Kc1 66. Ke2 {otherwise the Bl K will pickoff the B if allowed to get near the h pawn} Kc2 67. Be4+ Kc3 68. Bd5 d3+ 69. Kd1 d2 70. Bg2 Kxc4 {etc})) 1/2-1/2

