CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/6ObhehbB"] [Date "2023.05.13"] [White "Ayden"] [Black "Kalu"] [Result "0-1"] [UTCDate "2023.05.13"] [UTCTime "17:25:29"] [WhiteElo "858"] [BlackElo "1430"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D01"] [Opening "Rapport-Jobava System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nc3 Nf6 3. Bf4 { D01 Rapport-Jobava System } Nc6?! { (-0.01 → 0.87) Inaccuracy. a6 was best. } (3... a6) 4. Nf3?! { (0.87 → 0.33) Inaccuracy. Nb5 was best. } (4. Nb5 e5 5. Bxe5 Nxe5 6. dxe5 a6 7. Nc3 Nd7 8. Qxd5 c6 9. Qe4 Qb6 10. O-O-O Qxf2) 4... Bf5 5. e3 e6 6. Ke2? { (0.18 → -0.87) Mistake. Bb5 was best. } (6. Bb5 Bd6) 6... Bd6 7. Nb5? { (-1.35 → -2.65) Mistake. Bxd6 was best. } (7. Bxd6 cxd6 8. Nh4 Bg4+ 9. f3 Ne4 10. Qe1 Bh5 11. g4 Nxc3+ 12. bxc3 Bg6 13. Nxg6 hxg6) 7... O-O? { (-2.65 → -1.36) Mistake. Bxf4 was best. } (7... Bxf4 8. exf4) 8. Ke1? { (-1.36 → -2.56) Mistake. Nxd6 was best. } (8. Nxd6 cxd6) 8... Bb4+?? { (-2.56 → -0.73) Blunder. Bxf4 was best. } (8... Bxf4 9. exf4 a6 10. Nc3 Bg4 11. Be2 Bxf3 12. Bxf3 Qd6 13. Ne2 Qb4+ 14. c3 Qxb2 15. g4) 9. Nd2?? { (-0.73 → -2.79) Blunder. c3 was best. } (9. c3 Ba5 10. Be2 Ne4 11. Nd2 a6 12. Na3 Re8 13. g4 Bg6 14. h4 h6 15. Nb3 e5) 9... Qe7? { (-2.79 → -1.29) Mistake. a6 was best. } (9... a6) 10. Be2? { (-1.29 → -2.49) Mistake. Bd3 was best. } (10. Bd3 Bg4) 10... Rad8?? { (-2.49 → -0.77) Blunder. a6 was best. } (10... a6 11. Nc3) 11. c3 Ba5 12. Nxa7?? { (-0.95 → -3.29) Blunder. g4 was best. } (12. g4 Be4 13. f3 Bg6 14. Qa4 Bb6 15. Qa3 a6 16. Qxe7 Nxe7 17. Na3 c5 18. h4 h5) 12... Nxa7 13. Nf3? { (-3.92 → -7.04) Mistake. g4 was best. } (13. g4 Be4) 13... Nb5?? { (-7.04 → 0.49) Blunder. Ne4 was best. } (13... Ne4 14. Qc1 c6 15. h4 Bc7 16. h5 h6 17. Ne5 Nc8 18. f3 f6 19. Ng6 Bxg6 20. hxg6) 14. Bxb5 c6 15. Be2 b5?? { (0.29 → 1.91) Blunder. Ne4 was best. } (15... Ne4) 16. Qc2?? { (1.91 → -10.53) Blunder. Ne5 was best. } (16. Ne5 Qb7) 16... Rc8?? { (-10.53 → 0.40) Blunder. Bxc2 was best. } (16... Bxc2 17. Ne5 Rc8 18. Rc1 Be4 19. f3 Bg6 20. Nxg6 hxg6 21. b4 Bb6 22. g4 Nd7 23. Kf1) 17. Nd2?? { (0.40 → -11.00) Blunder. Bd3 was best. } (17. Bd3 Bxd3) 17... Bc7?? { (-11.00 → -0.19) Blunder. Bxc2 was best. } (17... Bxc2) 18. g3?? { (-0.19 → -10.53) Blunder. Qc1 was best. } (18. Qc1 Bxf4) 18... h6?? { (-10.53 → 0.25) Blunder. Bxc2 was best. } (18... Bxc2 19. Bxc7) 19. Bf3?? { (0.25 → -10.47) Blunder. Bd3 was best. } (19. Bd3 Bxd3 20. Qxd3 c5 21. Bxc7 Rxc7 22. a3 b4 23. axb4 cxb4 24. Ke2 e5 25. Qf5 bxc3) 19... Kh8?? { (-10.47 → -1.05) Blunder. Bxc2 was best. } (19... Bxc2 20. Bxc7 Rxc7 21. a3 Bg6 22. h4 Nd7 23. h5 Bh7 24. Kf1 Nf6 25. Nb3 Bf5 26. Be2) 20. Ke2?? { (-1.05 → -10.61) Blunder. Qd1 was best. } (20. Qd1 e5) 20... Kg8?? { (-10.61 → -0.88) Blunder. Bxc2 was best. } (20... Bxc2 21. Bxc7 Rxc7 22. Rhc1 Bh7 23. Kf1 Ne8 24. h4 Nd6 25. Bd1 Bg8 26. Kg2 f6 27. Be2) 21. Rag1?? { (-0.88 → -10.61) Blunder. Qd1 was best. } (21. Qd1) 21... c5?! { (-10.61 → -5.12) Inaccuracy. Bxc2 was best. } (21... Bxc2 22. Bxc7 Rxc7 23. a3 Nd7 24. e4 e5 25. Rc1 Bxe4 26. Bxe4 dxe4 27. Nb3 f5 28. Kf1) 22. Nb3?! { (-5.12 → -10.22) Inaccuracy. Qb3 was best. } (22. Qb3 Bd3+) 22... cxd4 23. Na5 Bb6 24. Nb3 dxe3 25. Rf1 exf2 26. Rd1 Bxc2 27. Rc1 Bxb3 28. Rhd1 Bxd1+ 29. Rxd1 Ne4 30. b3 Nxc3+ 31. Kf1 Nxd1 32. Kg2 g5 33. Kf1?! { (-31.78 → Mate in 5) Checkmate is now unavoidable. Bd2 was best. } (33. Bd2 Rc2) 33... gxf4 34. Bxd1 Rc1 35. Ke2 Rxd1 36. Kxd1 f1=Q+ 37. Kc2 Rc8+ 38. Kd2 Qf6 39. b4 Qe5 40. a3 Qfe1+ 41. Kd3 Qd4# { Black wins by checkmate. } 0-1