[Event "KERALTY TORNEO DE AJEDREZ Arena"] [Site "https://lichess.org/YWq5rbPw"] [Date "2020.09.26"] [White "Cusumbo"] [Black "RaulAlvaradoBustos23"] [Result "0-1"] [UTCDate "2020.09.26"] [UTCTime "20:53:35"] [WhiteElo "906"] [BlackElo "1671"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B00"] [Opening "St. George Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 a6?! { (0.00 → 0.55) Inaccuracy. c5 was best. } { B00 St. George Defense } (1... c5 2. Nf3 e6 3. Be2 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3) 2. d3?! { (0.55 → -0.13) Inaccuracy. Nf3 was best. } (2. Nf3 e6 3. d4 d5 4. exd5 exd5 5. Bd3 Nf6 6. O-O Be7) 2... e5 3. Nf3 d6 4. c3 Bg4?! { (0.13 → 0.77) Inaccuracy. Nf6 was best. } (4... Nf6 5. Nbd2) 5. h3 Bxf3 6. gxf3 Nf6 7. b4? { (0.68 → -0.70) Mistake. f4 was best. } (7. f4) 7... b5? { (-0.70 → 0.42) Mistake. Nh5 was best. } (7... Nh5 8. d4) 8. a3 Be7 9. Bg5? { (0.29 → -1.10) Mistake. f4 was best. } (9. f4 Nbd7 10. Bg2 a5 11. O-O O-O 12. Be3 c5 13. Nd2 cxb4 14. axb4 axb4 15. cxb4 Rxa1) 9... h6?! { (-1.10 → 0.00) Inaccuracy. Nh5 was best. } (9... Nh5) 10. Bxf6? { (0.00 → -1.22) Mistake. Be3 was best. } (10. Be3) 10... Bxf6 11. d4?! { (-1.45 → -2.33) Inaccuracy. a4 was best. } (11. a4 Nd7 12. Na3 c6 13. Nc2 O-O 14. Ne3 Nb6 15. axb5 axb5 16. Bg2 Rxa1 17. Qxa1 d5) 11... exd4 12. cxd4 O-O?! { (-2.28 → -1.66) Inaccuracy. Nc6 was best. } (12... Nc6) 13. e5? { (-1.66 → -3.18) Mistake. Ra2 was best. } (13. Ra2) 13... dxe5 14. dxe5 Qxd1+ 15. Kxd1 Bxe5 16. Nd2?? { (-3.00 → -8.72) Blunder. Ra2 was best. } (16. Ra2 Nc6) 16... Bxa1 17. Rg1 Bd4 18. Rg2 Nc6 19. Ne4 Rad8 20. Ke2 f5 21. Nc5 Rfe8+ 22. Ne4 fxe4 23. fxe4 Rxe4+ 24. Kf3 Re6 25. Kf4?! { (-18.08 → Mate in 8) Checkmate is now unavoidable. a4 was best. } (25. a4 Re1) 25... Rf8+?! { (Mate in 8 → -15.76) Lost forced checkmate sequence. Bxf2 was best. } (25... Bxf2 26. Bd3 Rf8+ 27. Bf5 Nd4 28. Rxf2 Rxf5+ 29. Kg3 Rg6+ 30. Kh2 Rxf2+ 31. Kh1 Nf3 32. h4) 26. Kg4?! { (-15.76 → Mate in 6) Checkmate is now unavoidable. Kg3 was best. } (26. Kg3 Rg6+ 27. Kh2 Rxg2+ 28. Bxg2 Rxf2 29. Kh1 Ne7 30. Be4 Re2 31. Bf3 Re3 32. Bg4 Rxa3) 26... g6?! { (Mate in 6 → -24.59) Lost forced checkmate sequence. Rg6+ was best. } (26... Rg6+ 27. Kh4 Rf4+ 28. Kh5 Rf5+ 29. Kh4 Bf6+ 30. Rg5 Rfxg5 31. Bc4+ Rd5#) 27. Bd3 Kg7 28. f4 h5+ 29. Kg5?! { (-24.68 → Mate in 1) Checkmate is now unavoidable. Kh4 was best. } (29. Kh4 Bf6+ 30. Kg3 Re3+ 31. Kh2 Rxd3 32. Rc2 Rc3 33. Re2 Rxa3 34. Re4 Bc3 35. Kg2 Bxb4) 29... Bf6# { Black wins by checkmate. } 0-1