[Event "2023 Summer Marathon"] [Site "https://lichess.org/TO1hSgAf"] [Date "2023.08.05"] [White "dumDudum"] [Black "nikosodidimos"] [Result "1-0"] [UTCDate "2023.08.05"] [UTCTime "17:54:07"] [WhiteElo "2099"] [BlackElo "2563"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "60+0"] [ECO "B20"] [Opening "Sicilian Defense: Bowdler Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Bc4 { B20 Sicilian Defense: Bowdler Attack } a6 3. d3 b5 4. Bb3?! { (0.66 → 0.00) Inaccuracy. Bd5 was best. } (4. Bd5 Ra7 5. Bxf7+ Kxf7 6. Qh5+ g6 7. Qd5+ Ke8 8. Qe5 Nf6) 4... Bb7 5. a4 Qc7?! { (0.00 → 0.60) Inaccuracy. c4 was best. } (5... c4 6. Ba2) 6. axb5 axb5 7. Rxa8 Bxa8 8. Nc3 c4 9. Nxb5? { (-0.03 → -1.44) Mistake. dxc4 was best. } (9. dxc4) 9... Qc5?? { (-1.44 → 3.09) Blunder. Qa5+ was best. } (9... Qa5+) 10. dxc4 Bxe4 11. Be3 Qh5?? { (2.45 → 8.21) Blunder. Qc8 was best. } (11... Qc8 12. Nf3 Qb7 13. Bf4 Nh6 14. O-O e6 15. Re1 Bxf3 16. Qxf3 Qxf3 17. gxf3 Nc6 18. Ra1) 12. Qxh5 Nf6 13. Qc5 Nc6 14. Qb6 e6 15. Nc7+ Ke7 16. Bc5+ d6 17. f3 Nd7 18. Qb7 Nxc5? { (7.61 → Mate in 5) Checkmate is now unavoidable. dxc5 was best. } (18... dxc5 19. fxe4 Nce5 20. Ne2 g6 21. Na6 Bh6 22. Nxc5 Rb8 23. Qc7 Rxb3 24. Nxb3 Be3 25. Qc8) 19. Qc8?? { (Mate in 5 → 6.67) Lost forced checkmate sequence. Nd5+ was best. } (19. Nd5+ Kd8 20. Qc7+ Ke8 21. Qxc6+ Kd8 22. Qc7+ Ke8 23. Qc8#) 19... Bg6 20. Qe8+ Kf6 21. Nh3 Nd4 22. Qd8+ Ke5? { (8.51 → Mate in 6) Checkmate is now unavoidable. Be7 was best. } (22... Be7 23. Qxh8 Ncxb3 24. cxb3 Nf5 25. g4 d5 26. gxf5 Bc5 27. fxg6 Kxg6 28. Qd8 h6 29. Nb5) 23. Qg5+ f5 24. f4+ Ke4 25. O-O Ndxb3 26. Re1+ Kd4 27. cxb3 Nd3 28. Rd1 d5 29. Qg3 Kc5 30. Qxd3 Kc6 31. Nxe6 Bd6 32. Qxd5+ Kd7 33. Qxd6+ Kc8 34. Qc7# { White wins by checkmate. } 1-0