CohenChessClub.com

[Event "October Chess Megatournament"] [Site "https://cohenchessclub.com/Zthc5OX3"] [Date "2025.10.19"] [White "Wesley"] [Black "Mark"] [Result "0-1"] [UTCDate "2025.10.19"] [UTCTime "20:22:16"] [WhiteElo "1496"] [BlackElo "1445"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+12"] [WhiteTitle "GM⚜"] [BlackTitle "⛳"] [Variant "Standard"] [TimeControl "600+1"] [ECO "A04"] [Opening "Zukertort Opening: Slav Invitation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 c6 { A04 Zukertort Opening: Slav Invitation } 2. g3 d5 3. Bg2 Nf6 4. d3 e6 5. O-O Bd6 6. Bg5 e5 7. Nc3? { (0.39 → -0.72) Mistake. Nbd2 was best. } (7. Nbd2 O-O 8. e4 h6 9. Bxf6 Qxf6 10. c3 Bc7 11. Re1 Rd8 12. Qe2 Re8 13. d4 exd4) 7... O-O 8. Bxf6 Qxf6 9. Nd2 d4? { (-0.93 → 0.48) Mistake. Bc7 was best. } (9... Bc7 10. e4) 10. Nce4 Qe6 11. Nxd6 Qxd6 12. Ne4 Qb4 13. b3?! { (0.54 → -0.20) Inaccuracy. Qd2 was best. } (13. Qd2) 13... Be6 14. Ng5 Bd5 15. Bxd5?! { (-0.21 → -1.02) Inaccuracy. e4 was best. } (15. e4 dxe3 16. fxe3 Bxg2 17. Kxg2 f6 18. a3 Qe7 19. Nf3 Qe6 20. e4 c5 21. Nh4 g6) 15... cxd5 16. e4 dxe4 17. dxe4?! { (-0.78 → -1.54) Inaccuracy. Qh5 was best. } (17. Qh5 h6 18. Nxe4 f5 19. a3 Qe7 20. Nd2 Nc6 21. b4 Qd7 22. Rae1 Rfe8 23. f4 exf4) 17... Nc6 18. Qh5?! { (-1.46 → -2.07) Inaccuracy. Nf3 was best. } (18. Nf3 Rac8) 18... h6 19. c4?? { (-1.89 → -8.17) Blunder. Nf3 was best. } (19. Nf3) 19... d3?? { (-8.17 → -3.03) Blunder. hxg5 was best. } (19... hxg5 20. f4 d3 21. fxg5 Qc3 22. Qg4 Nd4 23. Rac1 Qb2 24. Rce1 Qxa2 25. Rf2 Qxb3 26. Ref1) 20. Nf3 d2 21. Nxe5?? { (-2.77 → -6.45) Blunder. Nh4 was best. } (21. Nh4 Nd4 22. Nf5 Nxf5 23. exf5 Rfd8 24. f6 gxf6 25. Qxh6 Rd6 26. Qe3 Rad8 27. Rfd1 Rd3) 21... Nxe5?? { (-6.45 → -1.52) Blunder. Qc5 was best. } (21... Qc5) 22. Qxe5 Rad8 23. Qb2 Rfe8?! { (-2.34 → -1.66) Inaccuracy. Rd3 was best. } (23... Rd3) 24. a3 Qd6 25. b4?? { (-1.44 → -5.63) Blunder. Qc2 was best. } (25. Qc2 Qd4 26. Rad1 h5 27. h4 Kf8 28. Kg2 Qxe4+ 29. Qxe4 Rxe4 30. f3 Re3 31. Rf2 Rxb3) 25... Rxe4 26. c5 Qd4?? { (-6.39 → -0.35) Blunder. Qd3 was best. } (26... Qd3 27. Rad1 a6 28. a4 Rc4 29. h3 Rd5 30. Qb1 Qd4 31. Qa2 Rxb4 32. Qxd5 Qxd5 33. c6) 27. Qxd4 Rexd4 28. Rad1? { (-0.93 → -2.17) Mistake. Rfd1 was best. } (28. Rfd1 Rc4) 28... Rd3 29. a4? { (-1.89 → -3.31) Mistake. f3 was best. } (29. f3 Rxa3 30. Rf2 Ra2 31. Re2 Kf8 32. Re4 Rc2 33. Kf2 f5 34. Re5 g6 35. Re3 Kf7) 29... Ra3? { (-3.31 → -1.77) Mistake. R8d4 was best. } (29... R8d4 30. f3 Rxb4 31. Rf2 Rb2 32. Re2 Kf8 33. Kf2 Rc2 34. Re3 Rxe3 35. Kxe3 Ke7 36. Rxd2) 30. a5 Rb3 31. a6?! { (-1.69 → -2.61) Inaccuracy. f4 was best. } (31. f4 Rxb4 32. Rf2 Rbd4 33. a6 bxa6 34. c6 Kf8 35. c7 Rc8 36. Rfxd2 Rxd2 37. Rxd2 Rxc7) 31... Rxb4 32. axb7 Rxb7 33. c6? { (-3.53 → -5.89) Mistake. f4 was best. } (33. f4) 33... Rc7 34. Ra1 Rxc6 35. Rxa7 d1=Q 36. Rxd1 Rxd1+ 37. Kg2 Rd2 38. Ra8+ Kh7 39. h4 Rcc2 40. g4 Rxf2+ 41. Kg3 Rg2+ 42. Kf3 Rcf2+ 43. Ke3 Re2+ 44. Kf3 Kg6 45. h5+ Kf6 46. Ra6+ Ke5 47. Ra5+ Kd4 48. Ra4+ Kc3 49. Ra7 Kd2 50. Rd7+ Ke1 51. Ra7? { (-9.01 → Mate in 3) Checkmate is now unavoidable. g5 was best. } (51. g5) 51... Ref2+? { (Mate in 3 → -8.74) Lost forced checkmate sequence. Rgf2+ was best. } (51... Rgf2+ 52. Kg3 Re3+ 53. Kh4 Rh2#) 52. Ke3 Re2+ 53. Kf3? { (-7.62 → Mate in 3) Checkmate is now unavoidable. Kd3 was best. } (53. Kd3) 53... Rgf2+ 54. Kg3 Re3+ 55. Kh4 Rh2# { Black wins by checkmate. } 0-1