CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/yozQDNp4"] [Date "2024.01.13"] [White "Ray"] [Black "Grant3"] [Result "0-1"] [UTCDate "2024.01.13"] [UTCTime "00:30:34"] [WhiteElo "1412"] [BlackElo "1442"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+10"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Zukertort Opening: Reversed Mexican Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 d5 2. Nc3 { A00 Zukertort Opening: Reversed Mexican Defense } d4 3. Nb5 c5 4. e3 dxe3?? { (-0.81 → 1.16) Blunder. a6 was best. } (4... a6) 5. dxe3 Qxd1+ 6. Kxd1 e6?? { (1.63 → 6.66) Blunder. Kd8 was best. } (6... Kd8 7. Ne5) 7. Nc3?? { (6.66 → 0.13) Blunder. Nc7+ was best. } (7. Nc7+ Kd8) 7... Bd6? { (0.13 → 1.66) Mistake. Nc6 was best. } (7... Nc6 8. a4 Nf6 9. Bd2 Bd7 10. Kc1 Be7 11. a5 O-O 12. Bb5 b6 13. e4 Nd4 14. Bxd7) 8. Bb5+? { (1.66 → 0.24) Mistake. Nb5 was best. } (8. Nb5 Ke7) 8... Bd7?! { (0.24 → 0.75) Inaccuracy. Nd7 was best. } (8... Nd7 9. Ne4 Be7 10. Ke2 a6 11. Bxd7+ Bxd7 12. Ne5 Nf6 13. Nd2 Bb5+ 14. c4 Nd7 15. a4) 9. Bxd7+ Nxd7 10. Kd2 Ngf6 11. Nb5 O-O?? { (0.38 → 7.44) Blunder. Bb8 was best. } (11... Bb8 12. a4) 12. Nxd6 Ne5 13. Nxe5 Rad8 14. Nc4 Ne4+ 15. Kd1 Nxf2+ 16. Ke1 Nxh1 17. Kf1?? { (7.47 → 2.83) Blunder. Bd2 was best. } (17. Bd2) 17... b5 18. Nxb5?? { (2.80 → 0.33) Blunder. Bd2 was best. } (18. Bd2 bxc4 19. Nxc4 Rd5 20. Ke2 Rg5 21. Rxh1 Rxg2+ 22. Kf3 Rg5 23. b3 Rh5 24. Be1 Rd8) 18... Rd1+ 19. Ke2 Rg1 20. Kf3? { (0.06 → -1.37) Mistake. g3 was best. } (20. g3 g5) 20... Rf1+ 21. Ke2 Rg1? { (-1.50 → 0.00) Mistake. Rf2+ was best. } (21... Rf2+ 22. Kd3) 22. Kf3? { (0.00 → -1.43) Mistake. g3 was best. } (22. g3 g5 23. b3 Rg2+ 24. Kf1 Rxh2 25. Kg1 Rh3 26. Kg2 g4 27. Ba3 Nxg3 28. Bxc5 Rc8) 22... Rd1?? { (-1.43 → 6.57) Blunder. Rf1+ was best. } (22... Rf1+ 23. Ke2) 23. g3 a6 24. Nc7?? { (7.49 → 0.61) Blunder. Nc3 was best. } (24. Nc3 Rg1 25. b3 f5 26. Bb2 Rxa1 27. Bxa1 g5 28. Bb2 h5 29. Ba3 h4 30. gxh4 f4) 24... Rf1+?? { (0.61 → 6.25) Blunder. Rfd8 was best. } (24... Rfd8 25. Kg2) 25. Kg2 Rd1 26. Nxa6 Ra8 27. Nxc5 Rc8 28. b4 Rb8 29. Nd7?? { (9.15 → 2.80) Blunder. Nb2 was best. } (29. Nb2 Rxc1 30. Rxc1 Nxg3 31. hxg3 Rxb4 32. Nbd3 Rc4 33. a4 Rc3 34. a5 g5 35. Ra1 Rxc2+) 29... Rxb4?? { (2.80 → 7.32) Blunder. Rxd7 was best. } (29... Rxd7) 30. Nde5 f6 31. Nd3?? { (6.84 → -7.69) Blunder. Nb2 was best. } (31. Nb2 Re1 32. Ned3 Re2+ 33. Kf3 Rxc2 34. Nxb4 Rf2+ 35. Ke4 Rxh2 36. a4 Nxg3+ 37. Kd3 Ne4) 31... Rxc4 32. Nb2 Rxc2+ 33. Kf3 Rf1+ 34. Ke4 Rcxc1 35. Rxc1 Rxc1 36. Nd3 Rc4+ 37. Kf3 Rc1?? { (-8.28 → 6.00) Blunder. Rc2 was best. } (37... Rc2) 38. Kg2?? { (6.00 → -7.30) Blunder. Nxc1 was best. } (38. Nxc1 Nxg3 39. Kxg3 Kf8 40. a4 Ke7 41. a5 Kd6 42. Nb3 e5 43. a6 Kc6 44. Nc5 Kb6) 38... Rd1 39. Nb2 Rb1 40. Nd3 Ra1 41. Nb4 Rb1 42. Nc2 Rc1 43. Na3 Rd1 44. Nc2 Rc1 45. Na3 Re1 46. Nc2 Re2+ 47. Kxh1 Rxc2 48. a3 Ra2 49. a4 Rxa4 50. Kg2 Ra2+ 51. Kh3 Re2 52. e4 Rxe4 53. Kg2 Re5 54. Kf3 Rf5+ 55. Kg4 g6 56. h4?! { (-61.04 → Mate in 12) Checkmate is now unavoidable. Kh3 was best. } (56. Kh3 Rf2 57. g4 g5 58. Kg3 Ra2 59. Kh3 Kf7 60. Kg3 f5 61. gxf5 exf5 62. Kh3 f4) 56... h5+ 57. Kh3 Rd5?! { (Mate in 11 → -58.87) Lost forced checkmate sequence. Rf2 was best. } (57... Rf2 58. g4 Rf3+ 59. Kg2 hxg4 60. Kg1 e5 61. Kh1 e4 62. h5 gxh5 63. Kg2 e3 64. Kh1) 58. Kg2 Rd7 59. Kh3 Re7 60. Kg2 e5 61. Kh3 e4 62. Kg2 e3 63. Kf1 e2+ 64. Ke1 f5 65. g4 fxg4 66. Kf2 e1=Q+ 67. Kg2 Qe3 68. Kh2 Rd7 69. Kg2 Rd2+ 70. Kf1 Qf2# { Black wins by checkmate. } 0-1