[Event "2021 Summer Marathon"] [Site "https://lichess.org/6krEkOCU"] [Date "2021.08.07"] [White "OMMHOA"] [Black "JosePaulino"] [Result "0-1"] [UTCDate "2021.08.07"] [UTCTime "19:09:15"] [WhiteElo "1674"] [BlackElo "1344"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+280"] [Variant "Standard"] [TimeControl "60+0"] [ECO "D31"] [Opening "Semi-Slav Defense: Accelerated Move Order"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nc3 c6 { D31 Semi-Slav Defense: Accelerated Move Order } 4. Bf4 dxc4 5. e4?! { (-0.04 → -0.67) Inaccuracy. a4 was best. } (5. a4 Nf6 6. e3 b5 7. axb5 cxb5 8. Nxb5 Nd5 9. Nc3 Bb4) 5... Nf6?! { (-0.67 → 0.00) Inaccuracy. b5 was best. } (5... b5 6. Nge2 Nf6 7. Ng3 Nbd7 8. Be2 Be7 9. d5 cxd5 10. exd5) 6. Bxc4 Bd6?? { (0.33 → 2.92) Blunder. b5 was best. } (6... b5 7. Bd3 b4 8. Nce2 Nbd7 9. Nf3 Be7 10. O-O O-O 11. Qb1) 7. Nf3?? { (2.92 → -3.82) Blunder. Bxd6 was best. } (7. Bxd6 Qxd6) 7... Bxf4 8. O-O Bd7 9. h3 b5 10. Bb3 b4 11. e5 Nd5 12. Nxd5?! { (-3.96 → -5.09) Inaccuracy. Ne4 was best. } (12. Ne4 O-O) 12... exd5 13. Qd3 O-O 14. Rad1 f6?! { (-5.23 → -4.11) Inaccuracy. a5 was best. } (14... a5 15. Nh2 Bxh2+ 16. Kxh2 f5 17. Rde1 Be6 18. f4 a4 19. Bd1 Qe7 20. Qd2 g6 21. Qd3) 15. Rfe1 fxe5?! { (-4.28 → -3.26) Inaccuracy. Be6 was best. } (15... Be6 16. Qe2 f5 17. a3 bxa3 18. bxa3 Nd7 19. Bc2 Bh6 20. Rb1 Qe7 21. Rb7 Qxa3 22. Reb1) 16. Nxe5?! { (-3.26 → -4.96) Inaccuracy. dxe5 was best. } (16. dxe5) 16... Qg5 17. g3 Bxh3 18. Kh2 Qh5 19. gxf4 Bf1+ 20. Kg3? { (-8.45 → Mate in 1) Checkmate is now unavoidable. Kg1 was best. } (20. Kg1 Bxd3 21. Nxd3 Qg6+ 22. Kf1 a5 23. Ba4 Qf6 24. Ne5 Ra6 25. Re3 Qxf4 26. Re2 Rf6) 20... Bxd3? { (Mate in 1 → -8.59) Lost forced checkmate sequence. Qh3# was best. } (20... Qh3#) 21. Rxd3 Qf5 22. Ree3 Qxf4+ 23. Kg2 Qxf2+ 24. Kh3 Rf6 25. Nxc6?! { (-12.15 → Mate in 3) Checkmate is now unavoidable. Ng4 was best. } (25. Ng4 Qf5 26. Kg3 Qf4+ 27. Kh3 Rg6 28. Rg3 Qf1+ 29. Kh2 Qe2+ 30. Kg1 Rxg4 31. Rxg4 Qxd3) 25... Rh6+ 26. Kg4 Qg2+ 27. Kf4 Nxc6 28. Re5 Rf8+ 29. Ke3 Rh3# { Black wins by checkmate. } 0-1