[Event "RomanYanchenko Arena"] [Site "https://lichess.org/5dOSt8QI"] [Date "2024.01.22"] [White "Ivan_Ob"] [Black "a1ac"] [Result "0-1"] [UTCDate "2024.01.22"] [UTCTime "17:55:19"] [WhiteElo "1768"] [BlackElo "1782"] [WhiteRatingDiff "-72"] [BlackRatingDiff "+78"] [Variant "Crazyhouse"] [TimeControl "300+2"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. d3 d6?! { (0.68 → 1.76) Inaccuracy. Be7 was best. } (3... Be7 4. Nf3 Nc6 5. O-O O-O 6. Nc3 d6 7. Ng5 Nd4 8. Be3) 4. Bg5? { (1.76 → 0.38) Mistake. Nc3 was best. } (4. Nc3 Nc6 5. Nf3 Be7 6. Ng5 O-O 7. O-O Qe8 8. Nd5 Nxd5 9. Bxd5 N@f6 10. Bxf7+ Rxf7) 4... Nc6 5. Bxf6 Qxf6 6. Nf3?! { (0.88 → 0.32) Inaccuracy. N@d5 was best. } (6. N@d5 Qd8 7. Nbc3 Be7 8. Nxe7 Nxe7 9. B@g5 O-O 10. Nf3 B@g4 11. Nd5 Nxd5 12. Bxd8 Nf4) 6... Bg4?! { (0.32 → 1.37) Inaccuracy. Qg6 was best. } (6... Qg6 7. Nc3) 7. O-O?? { (1.37 → -6.30) Blunder. Nbd2 was best. } (7. Nbd2 B@b6) 7... Bxf3 8. gxf3 B@h3 9. Re1?! { (-5.93 → -15.15) Inaccuracy. B@f5 was best. } (9. B@f5 Bxf5 10. exf5 Nd4 11. Nc3 N@f4 12. N@d5 Qg5+ 13. B@g4 h5 14. Nxc7+ Kd8 15. Nxa8 hxg4) 9... Nd4 10. B@d5?! { (-10.76 → Mate in 3) Checkmate is now unavoidable. B@h1 was best. } (10. B@h1 N@e2+ 11. Rxe2 Qxf3 12. Bxf7+ Qxf7 13. P@g2 Nxe2+ 14. Qxe2 P@f3 15. gxf3 B@f1 16. N@g3 Bxe2) 10... Qg6+?! { (Mate in 3 → -52.15) Lost forced checkmate sequence. N@e2+ was best. } (10... N@e2+ 11. Qxe2 Nxe2+ 12. Kh1 Q@g2#) 11. N@g3 Be6?? { (-29.61 → -2.51) Blunder. N@e2+ was best. } (11... N@e2+) 12. Bxb7 Rb8?? { (-4.06 → 0.92) Blunder. N@h3+ was best. } (12... N@h3+ 13. Kf1) 13. Bxe6 fxe6 14. B@h5?? { (0.30 → -8.23) Blunder. P@g2 was best. } (14. P@g2 Rxb7 15. B@h5 Rxb2 16. Bxg6+ hxg6 17. Q@c8+ B@d8 18. c3 B@b7 19. Qxd8+ Kxd8 20. cxd4 Q@e7) 14... Qxh5?? { (-8.23 → 1.35) Blunder. N@h3+ was best. } (14... N@h3+) 15. Nxh5 Rxb7?? { (-0.45 → 4.39) Blunder. B@g6 was best. } (15... B@g6 16. Ng3) 16. c3?? { (4.39 → -1.45) Blunder. Q@c8+ was best. } (16. Q@c8+ N@d8) 16... Nc6?? { (-1.45 → 4.99) Blunder. N@h3+ was best. } (16... N@h3+) 17. f4?? { (4.99 → 2.29) Blunder. P@f6 was best. } (17. P@f6 gxf6) 17... exf4?? { (2.29 → 11.91) Blunder. B@d7 was best. } (17... B@d7) 18. Nxf4 d5 19. Qh5+ g6 20. Nxd5?? { (40.85 → 2.08) Blunder. P@f7+ was best. } (20. P@f7+) 20... gxh5 21. Nf6+?? { (2.54 → -9.98) Blunder. P@f7+ was best. } (21. P@f7+) 21... Kf7 22. Q@f4? { (-8.03 → Mate in 6) Checkmate is now unavoidable. P@g2 was best. } (22. P@g2 Q@g5) 22... N@h3+ 23. Kg2 Nxf4+ 24. Kf3 Nxd3 25. Ke3 Nxe1 26. Nxh5 Nc2+ 27. Kd2 Nxa1 28. Na3 Rxb2+ 29. Kd3 Rxa2 30. Nb5 Rxf2 31. P@d7 R@d8 32. P@b7 Rxd7+ 33. Ke3 B@b6+ 34. P@d4 Rxh2 35. P@d5 exd5 36. exd5 Nb8 37. d6 cxd6 38. P@c6 Nxc6 39. b8=Q Nxb8 40. Nc7 Rxc7 41. c4 Rxc4 42. Nf4 Rc3+ 43. Ke4 R@e7+ 44. Kd5 Q@c6# { Black wins by checkmate. } 0-1