[Event "2023 Summer Marathon"] [Site "https://lichess.org/zOpXTrjD"] [Date "2023.08.05"] [White "player151909"] [Black "ONAICUL66"] [Result "1-0"] [UTCDate "2023.08.05"] [UTCTime "10:21:20"] [WhiteElo "1383"] [BlackElo "2031"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A50"] [Opening "Slav Indian"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c6 2. c4 Nf6 { A50 Slav Indian } 3. a4 d5 4. a5 e6 5. Nf3 Be7 6. g3 dxc4 7. Bg2 O-O 8. O-O a6? { (0.23 → 1.82) Mistake. c5 was best. } (8... c5) 9. Nc3? { (1.82 → 0.38) Mistake. Nbd2 was best. } (9. Nbd2 c5 10. Nxc4 Nc6 11. Nb6 Ra7 12. dxc5 Bxc5 13. b4 Bxb4 14. Be3 Nd5 15. Nxc8 Qxc8) 9... Bd7?! { (0.38 → 1.28) Inaccuracy. Nbd7 was best. } (9... Nbd7 10. Qc2 Nd5 11. Bd2 b5 12. axb6 Nb4 13. Qe4 Qxb6 14. Na4 Qb5 15. Bxb4 Bxb4 16. Nc3) 10. Bg5?! { (1.28 → 0.27) Inaccuracy. Ne5 was best. } (10. Ne5 c5 11. Nxc4 cxd4 12. Nb6 Nc6 13. Nxa8 Qxa8 14. Bxc6 bxc6 15. Qxd4 c5 16. Qe5 Qb7) 10... Nd5?! { (0.27 → 1.33) Inaccuracy. c5 was best. } (10... c5) 11. e4?? { (1.33 → -2.22) Blunder. Bxe7 was best. } (11. Bxe7 Qxe7) 11... Nxc3?? { (-2.22 → 0.17) Blunder. Bxg5 was best. } (11... Bxg5 12. exd5 cxd5 13. Nxg5 Qxg5 14. f4 Qh6 15. Qd2 Nc6 16. Na4 Qf6 17. Nc5 Rfd8 18. Rad1) 12. Bxe7 Nxd1 13. Bxd8 Nxb2 14. Be7 Re8 15. Bc5 Nd3?! { (0.51 → 1.13) Inaccuracy. Rd8 was best. } (15... Rd8) 16. Bb6?? { (1.13 → -1.27) Blunder. Ne5 was best. } (16. Ne5 Nxe5 17. dxe5 Rc8 18. Rfb1 Be8 19. Rxb7 Nd7 20. Bd6 c5 21. Bf1 Nb8 22. Bxc4 Bc6) 16... e5?? { (-1.27 → 0.63) Blunder. c5 was best. } (16... c5 17. dxc5 Bb5 18. Nd4 Nd7 19. Rfb1 N3xc5 20. Bxc5 Nxc5 21. Nxb5 axb5 22. Rxb5 Nb3 23. Ra2) 17. dxe5?? { (0.63 → -1.16) Blunder. Nxe5 was best. } (17. Nxe5 Nxe5 18. dxe5 Rxe5 19. Rfc1 Re8 20. Rxc4 Be6 21. Rb4 Nd7 22. Be3 Rab8 23. f4 c5) 17... Nxe5?? { (-1.16 → 0.56) Blunder. Bg4 was best. } (17... Bg4 18. Bd4 c5 19. Bc3 Bd7 20. Ne1 Bb5 21. Nxd3 cxd3 22. f4 Nc6 23. Kf2 Nb4 24. Rfc1) 18. Nxe5 Rxe5 19. Rad1 Be6?? { (0.42 → Mate in 1) Checkmate is now unavoidable. Re8 was best. } (19... Re8 20. Rd6 Be6 21. f4 f5 22. exf5 Bxf5 23. g4 Bxg4 24. f5 c3 25. h3 Bh5 26. Rc1) 20. Rd8# { White wins by checkmate. } 1-0