CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/F8qaRLH2"] [Date "2023.04.01"] [White "Sa"] [Black "Kalu"] [Result "1-0"] [UTCDate "2023.04.01"] [UTCTime "17:23:09"] [WhiteElo "1434"] [BlackElo "1350"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-9"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Modern Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 2. exd5 Nf6 { B01 Scandinavian Defense: Modern Variation } 3. Nc3?! { (0.92 → 0.24) Inaccuracy. d4 was best. } (3. d4 Qxd5 4. Nc3 Qd6 5. Nf3 c6 6. h3 Bf5 7. Ne5 h5) 3... Bg4?! { (0.24 → 1.22) Inaccuracy. Nxd5 was best. } (3... Nxd5) 4. f3 Bf5 5. Bd3?? { (1.07 → -2.85) Blunder. Bb5+ was best. } (5. Bb5+ c6 6. dxc6 Nxc6 7. Bxc6+ bxc6 8. Nge2 e6 9. O-O Bd6 10. d3 O-O 11. b3 Bg6) 5... g6?? { (-2.85 → 0.58) Blunder. Bxd3 was best. } (5... Bxd3 6. cxd3 Nxd5 7. Nge2 Nc6 8. d4 Ndb4 9. d5 Nxd5 10. d4 Qd7 11. Nxd5 Qxd5 12. O-O) 6. Bxf5 gxf5 7. d4 Bg7? { (0.10 → 1.18) Mistake. Nxd5 was best. } (7... Nxd5) 8. Bf4? { (1.18 → 0.07) Mistake. Qd3 was best. } (8. Qd3 Qd7) 8... O-O? { (0.07 → 1.19) Mistake. Nxd5 was best. } (8... Nxd5 9. Nxd5 Qxd5 10. c3 c5 11. dxc5 Qxc5 12. Qb3 Nc6 13. O-O-O e5 14. Bg5 O-O 15. Qd5) 9. Nb5?? { (1.19 → -2.21) Blunder. Nge2 was best. } (9. Nge2 Nxd5 10. Nxd5 Qxd5 11. Bxc7 Qc4 12. Bg3 Qb4+ 13. c3 Qxb2 14. O-O Qa3 15. Qb1 Qa6) 9... Na6?? { (-2.21 → 0.23) Blunder. Nxd5 was best. } (9... Nxd5 10. Bd2 Nc6 11. Ne2 a6 12. Nbc3 Nxd4 13. Nxd4 Bxd4 14. Nxd5 Qxd5 15. c3 Bg7 16. Be3) 10. Qd3?? { (0.23 → -2.33) Blunder. c4 was best. } (10. c4 c6) 10... Rc8?? { (-2.33 → 0.12) Blunder. Nxd5 was best. } (10... Nxd5) 11. Nxa7?? { (0.12 → -2.25) Blunder. Be5 was best. } (11. Be5 c5) 11... Rb8?? { (-2.25 → 0.15) Blunder. Ra8 was best. } (11... Ra8 12. Nb5 Nxd5 13. Bg5 c6 14. Na3 c5 15. Ne2 cxd4 16. O-O Nab4 17. Qxf5 d3 18. cxd3) 12. Qxf5? { (0.15 → -0.96) Mistake. c4 was best. } (12. c4 Ra8) 12... Qxd5 13. Qxd5 Nxd5 14. Bg3 Bxd4?? { (-1.40 → 0.80) Blunder. Nab4 was best. } (14... Nab4 15. Kd2 Bxd4 16. c3 Bxa7 17. cxb4 Rbd8 18. Nh3 Nxb4+ 19. Kc3 Nd5+ 20. Kb3 c5 21. a4) 15. c4?? { (0.80 → -3.63) Blunder. O-O-O was best. } (15. O-O-O Be3+ 16. Kb1 Rbd8 17. Nb5 c6 18. Nd4 Bh6 19. Nge2 Ne3 20. Rde1 Nb4 21. a3 c5) 15... Ne3 16. Bf2? { (-3.49 → -6.78) Mistake. Nb5 was best. } (16. Nb5 Bxb2) 16... Nc2+ 17. Kf1 Nxa1 18. Bxd4 Rfd8 19. Bc3 Rd1+ 20. Ke2 Rc1 21. Kd2 Rc2+ 22. Kd1 Rxc3?? { (-8.61 → -1.42) Blunder. Rd8+ was best. } (22... Rd8+ 23. Ke1 Nc5 24. Ne2 Nd3+ 25. Kf1 Nxb2 26. Kf2 Rd1 27. Rf1 Nd3+ 28. Kg1 Rxf1+ 29. Kxf1) 23. bxc3 Rd8+? { (-1.29 → 0.06) Mistake. Nc5 was best. } (23... Nc5 24. Nh3 Ra8 25. Ke2 Nc2 26. Rc1 Na3 27. Nb5 Nxc4 28. Rc2 c6 29. Nd4 Ra3 30. Nf5) 24. Ke1?? { (0.06 → -5.70) Blunder. Kc1 was best. } (24. Kc1 Nc5 25. Ne2 Ra8 26. Kb2 Na4+ 27. Kxa1 Rxa7 28. Rb1 e6 29. Rb5 f5 30. g4 fxg4) 24... c5?? { (-5.70 → 0.38) Blunder. Nc2+ was best. } (24... Nc2+) 25. Nb5 b6?? { (0.32 → 6.30) Blunder. Ra8 was best. } (25... Ra8) 26. Ne2?? { (6.30 → 0.00) Blunder. Nh3 was best. } (26. Nh3 Nc2+ 27. Ke2 Ra8 28. Rc1 Ncb4 29. cxb4 cxb4 30. Rc2 Nc5 31. Rd2 e5 32. Nf2 f5) 26... e5?? { (0.00 → 6.62) Blunder. Nc2+ was best. } (26... Nc2+ 27. Kf2 Nb8 28. f4 Rd2 29. Kf3 Rd3+ 30. Kf2) 27. Kf2?? { (6.62 → 2.87) Blunder. Ng3 was best. } (27. Ng3 Nc2+ 28. Ke2 Nd4+ 29. cxd4 cxd4 30. a3 Nc5 31. Re1 Na4 32. Ne4 Nb2 33. Ned6 Kf8) 27... f5?? { (2.87 → 8.17) Blunder. Nc2 was best. } (27... Nc2) 28. Rxa1 f4 29. g3 fxg3+ 30. hxg3 Nb8 31. Nc7 Nd7 32. Ne6 Ra8 33. f4 exf4 34. N6xf4?! { (7.15 → 5.28) Inaccuracy. gxf4 was best. } (34. gxf4 Nf6 35. Kf3 Kf7 36. Ng5+ Kg6 37. Ne4 Nxe4 38. Kxe4 Kf6 39. Rh1 Ra4 40. Kf3 Kg6) 34... Ne5 35. Nd5 Rb8 36. Rb1 Nxc4 37. Ke1 Rf8 38. Nxb6 Ne3?! { (4.74 → 6.86) Inaccuracy. Rb8 was best. } (38... Rb8 39. a4) 39. Kd2 Nf1+ 40. Kd3 Nh2 41. Kc4 Kg7 42. Kxc5 Kf6 43. Rh1 Nf3 44. Rxh7 Nd2 45. Nd7+ Kf5 46. Nxf8 Ke4 47. Re7+ Kf5 48. a4 Kf6 49. Re3 Kf7 50. Nd7 Nb3+ 51. Kc4 Na5+ 52. Kd3 Nb7 53. Ne5+ Ke6 54. Nc4+ Kd5?! { (71.49 → Mate in 14) Checkmate is now unavoidable. Kd7 was best. } (54... Kd7 55. Re5) 55. a5?! { (Mate in 14 → 70.41) Lost forced checkmate sequence. Re5+ was best. } (55. Re5+ Kc6 56. Nd4+ Kd7 57. Ne6 Kc6 58. Kd4 Nd6 59. Nxd6 Kxd6 60. Nc5 Kc7 61. g4 Kb8) 55... Kc6?! { (70.41 → Mate in 12) Checkmate is now unavoidable. Nc5+ was best. } (55... Nc5+ 56. Kc2) 56. a6 Kc7 57. axb7 Kxb7 58. g4 Kc7 59. g5 Kc6 60. g6 Kc5 61. g7 Kd5 62. g8=Q+ Kc5 63. Qg5+ Kc6 64. Re6+ Kc7 65. Rh6 Kb7 66. Qg7+ Kb8 67. Rh8# { White wins by checkmate. } 1-0