CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/c0kmbfbs"] [Date "2024.02.24"] [White "Porter"] [Black "Alyssa"] [Result "1-0"] [UTCDate "2024.02.24"] [UTCTime "18:03:21"] [WhiteElo "600"] [BlackElo "1000"] [WhiteRatingDiff "+185"] [BlackRatingDiff "-29"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. f4?! { (0.15 → -0.43) Inaccuracy. e4 was best. } { A02 Bird Opening } (1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6) 1... f5?! { (-0.43 → 0.19) Inaccuracy. d5 was best. } (1... d5 2. Nf3 g6 3. d4 Bg7 4. e3 c5 5. c3 Qc7 6. Nbd2) 2. Nf3 Nf6 3. Nh4?! { (0.02 → -0.59) Inaccuracy. e3 was best. } (3. e3 e6) 3... Nh5? { (-0.59 → 0.53) Mistake. e6 was best. } (3... e6 4. g3 Be7 5. b3 O-O 6. e3 d5 7. Bb2 c5 8. Qe2 Nc6 9. Bg2 b5 10. O-O) 4. Nxf5 Nxf4?! { (0.45 → 1.33) Inaccuracy. d5 was best. } (4... d5) 5. g3? { (1.33 → -0.15) Mistake. d4 was best. } (5. d4 d5 6. e4 dxe4 7. Ng3 e5 8. Bxf4 exf4 9. Qh5+ g6 10. Qe5+ Qe7 11. Qxh8 Nd7) 5... g6? { (-0.15 → 1.02) Mistake. d5 was best. } (5... d5) 6. gxf4 gxf5 7. Bh3?? { (1.00 → -2.75) Blunder. e4 was best. } (7. e4 h5) 7... Bh6?? { (-2.75 → 4.37) Blunder. e6 was best. } (7... e6 8. Bg2 Qh4+ 9. Kf1 Qxf4+ 10. Bf3 Rg8 11. h4 Nc6 12. c3 Be7 13. d4 Qg3 14. Qe1) 8. Bxf5?? { (4.37 → -4.31) Blunder. e4 was best. } (8. e4 O-O 9. Qh5 Bg7 10. Bxf5 Rxf5 11. Qxf5 Nc6 12. c3 e5 13. Qh5 exf4 14. O-O h6) 8... Bxf4?? { (-4.31 → 6.94) Blunder. e6 was best. } (8... e6) 9. e3 e6 10. exf4?? { (8.76 → -1.76) Blunder. Qh5+ was best. } (10. Qh5+ Ke7 11. Bg4 Nc6 12. exf4 Rg8 13. d3 b6 14. Nc3 Nd4 15. Qh4+ Kd6 16. Ne4+ Kc6) 10... exf5?? { (-1.76 → 3.36) Blunder. Qh4+ was best. } (10... Qh4+) 11. d4?? { (3.36 → -0.46) Blunder. Qh5+ was best. } (11. Qh5+) 11... d5? { (-0.46 → 0.67) Mistake. Qh4+ was best. } (11... Qh4+ 12. Kd2 Kd8 13. Qe1 Qf6 14. Qe5 Qf8 15. Qe1 Nc6 16. Qh4+ Ne7 17. Rg1 d6 18. b3) 12. b4? { (0.67 → -0.74) Mistake. Qh5+ was best. } (12. Qh5+ Kd7) 12... b5? { (-0.74 → 0.52) Mistake. Be6 was best. } (12... Be6 13. Qh5+ Bf7 14. Qxf5 Qh4+ 15. Kd2 Nc6 16. Re1+ Kf8 17. b5 Qf2+ 18. Kd1 Qf3+ 19. Kd2) 13. c4?? { (0.52 → -1.22) Blunder. Qh5+ was best. } (13. Qh5+ Kd7 14. Kd1 a5 15. Qf7+ Kc6 16. a4 Kb7 17. axb5 Rf8 18. Qg7 Rg8 19. Qxh7 Rh8) 13... c5?? { (-1.22 → 0.87) Blunder. Qh4+ was best. } (13... Qh4+) 14. cxb5 cxb4 15. a3? { (0.80 → -0.23) Mistake. Qh5+ was best. } (15. Qh5+ Kd7) 15... bxa3?? { (-0.23 → 2.88) Blunder. O-O was best. } (15... O-O 16. O-O) 16. Nxa3?? { (2.88 → 0.00) Blunder. Qh5+ was best. } (16. Qh5+) 16... a6?? { (0.00 → 2.64) Blunder. O-O was best. } (16... O-O 17. Rg1+ Kh8 18. Qf3 Be6 19. Nc4 Nd7 20. Nd6 Nf6 21. Ba3 Qa5+ 22. Ke2 Ne4 23. Qe3) 17. Qh5+ Ke7? { (2.28 → 4.32) Mistake. Kd7 was best. } (17... Kd7 18. Qxf5+) 18. Qxf5?? { (4.32 → -11.87) Blunder. Rg1 was best. } (18. Rg1 Qe8) 18... Nd7?? { (-11.87 → 6.47) Blunder. Bxf5 was best. } (18... Bxf5 19. Rg1 axb5 20. Rg5 Kf6 21. Kd1 Qb6 22. Bb2 Nc6 23. Rxf5+ Kxf5 24. Nc2 Rxa1+ 25. Bxa1) 19. Qg5+?? { (6.47 → 1.30) Blunder. Nc4 was best. } (19. Nc4 Nf6 20. Qe5+ Kf7 21. Nd6+ Qxd6 22. Qxd6 Re8+ 23. Qe5 Nd7 24. Qxe8+ Kxe8 25. O-O axb5) 19... Ke6?? { (1.30 → 11.19) Blunder. Nf6 was best. } (19... Nf6) 20. Nc4?? { (11.19 → -3.06) Blunder. f5+ was best. } (20. f5+) 20... dxc4?? { (-3.06 → 8.89) Blunder. Qxg5 was best. } (20... Qxg5 21. fxg5 dxc4 22. O-O Bb7 23. d5+ Bxd5 24. bxa6 Rhc8 25. Re1+ Kf7 26. Ra5 Rc5 27. Rf1+) 21. Qxd8?? { (8.89 → -5.65) Blunder. f5+ was best. } (21. f5+ Kd6 22. Bf4+ Ne5 23. Bxe5+ Kd7 24. Qg2 Rf8 25. Qc6+ Ke7 26. f6+ Kf7 27. Qxa8 Re8) 21... Nb6?? { (-5.65 → 19.24) Blunder. Rxd8 was best. } (21... Rxd8 22. Rg1 Kf7 23. Bb2 Re8+ 24. Kd2 Rb8 25. d5 Rxb5 26. Rg7+ Kf8 27. Rxh7 Rxb2+ 28. Kc3) 22. Qh4 axb5 23. Qg5 Nd5 24. Rxa8 Bb7?! { (19.02 → Mate in 7) Checkmate is now unavoidable. Nf6 was best. } (24... Nf6 25. Qe5+) 25. Rc8? { (Mate in 7 → 9.43) Lost forced checkmate sequence. Rxh8 was best. } (25. Rxh8 Kd6 26. Rxh7 Bc8 27. Qd8+ Kc6 28. Qxc8+ Nc7 29. Qxc7+ Kd5 30. Qe5+ Kc6 31. Qc5#) 25... Ne7? { (9.43 → Mate in 5) Checkmate is now unavoidable. Rxc8 was best. } (25... Rxc8 26. Qg7) 26. Rxc4?! { (Mate in 5 → 11.38) Lost forced checkmate sequence. Qe5+ was best. } (26. Qe5+ Kf7 27. Rc7 Re8 28. Rg1 Bg2 29. Rxg2 b4 30. Qf5#) 26... bxc4 27. h4 Nd5 28. h5 Nxf4 29. Qxf4 Kd5 30. Qf7+ Kxd4?! { (14.92 → Mate in 7) Checkmate is now unavoidable. Kc6 was best. } (30... Kc6 31. d5+) 31. Qxb7 h6 32. Qg7+ Ke4 33. Qxh8 Kf3 34. Qxh6 Kg2 35. Qc6+ Kg3 36. Qxc4 Kg2 37. Rg1+ Kxg1 38. Qf1+ Kh2 39. Bf4# { White wins by checkmate. } 1-0