[Event "V COPA GUILLERMO BLACK"] [Site "https://lichess.org/CiwC26j1"] [Date "2021.12.10"] [White "ro_stein"] [Black "pipetus"] [Result "0-1"] [UTCDate "2021.12.10"] [UTCTime "23:52:25"] [WhiteElo "1067"] [BlackElo "1257"] [WhiteRatingDiff "-90"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "420+3"] [ECO "B20"] [Opening "Sicilian Defense: Bowdler Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Bc4 { B20 Sicilian Defense: Bowdler Attack } e6 3. Nf3 Nc6 4. d3 d5 5. exd5 exd5 6. Bb5 Bd7?! { (-0.55 → 0.32) Inaccuracy. Bd6 was best. } (6... Bd6 7. O-O Ne7 8. c4 O-O 9. cxd5 Nxd5 10. Nc3 Nxc3 11. bxc3) 7. Nc3 d4 8. Nd5 a6?! { (0.13 → 0.85) Inaccuracy. Nce7 was best. } (8... Nce7 9. Bc4 Nxd5 10. Bxd5 Nf6 11. Bb3 Qe7+ 12. Qe2 Qxe2+ 13. Kxe2 Bd6 14. Re1 O-O 15. Kf1) 9. Bc4 b5 10. Bb3 Na5 11. Bf4 Nxb3?? { (1.37 → 3.54) Blunder. Rc8 was best. } (11... Rc8 12. O-O Nxb3 13. axb3 Ne7 14. Re1 Be6 15. c4 dxc3 16. Nxc3 Ng6 17. Bg3 Be7 18. d4) 12. Nc7+ Ke7? { (3.93 → 8.31) Mistake. Qxc7 was best. } (12... Qxc7 13. Bxc7) 13. Qe2+ Kf6? { (8.41 → Mate in 5) Checkmate is now unavoidable. Be6 was best. } (13... Be6) 14. cxb3? { (Mate in 5 → 8.86) Lost forced checkmate sequence. Nd5+ was best. } (14. Nd5+ Kf5 15. Qe4+ Kg4 16. Bg5+ Kh5 17. g4+ Bxg4 18. Nf4#) 14... Rc8? { (8.86 → Mate in 5) Checkmate is now unavoidable. h6 was best. } (14... h6) 15. Qe5+? { (Mate in 5 → 7.31) Lost forced checkmate sequence. Nd5+ was best. } (15. Nd5+ Kf5 16. Qe4+ Kg4 17. Bg5+ Kh5 18. Nf4+ Kg4 19. h3#) 15... Kg6 16. Nh4+?? { (7.79 → -7.37) Blunder. Qe4+ was best. } (16. Qe4+) 16... Qxh4 17. g3 Qf6 18. h4 Qxe5+ 19. Bxe5 Bf5 20. Nxa6 Re8 21. f4 f6 22. O-O fxe5 23. fxe5 Rxe5 24. Rae1 Rxe1 25. Rxe1 Bxd3 26. Nxc5 Bxc5 27. g4 Nf6 28. g5 Ng4 29. Re6+ Kf5 30. Ra6?! { (-14.78 → Mate in 6) Checkmate is now unavoidable. Re1 was best. } (30. Re1 Ne5) 30... Be4 31. Kf1 b4?! { (Mate in 6 → -21.31) Lost forced checkmate sequence. d3 was best. } (31... d3 32. a4 Rd8 33. Rd6 Rxd6 34. Ke1 d2+ 35. Kd1 Nf2+ 36. Ke2 d1=Q#) 32. a4?! { (-21.31 → Mate in 6) Checkmate is now unavoidable. Ra5 was best. } (32. Ra5 Rc8) 32... Bd3+ 33. Ke1 Bxa6 34. a5 Re8+ 35. Kd2 Kf4 36. Kc2 d3+ 37. Kd2 Re2+ 38. Kd1 Nf2+ 39. Kc1 d2+ 40. Kc2 d1=Q# { Black wins by checkmate. } 0-1