[Event "2023 Summer Marathon"] [Site "https://lichess.org/PVmPsfOA"] [Date "2023.08.05"] [White "SANJUCHESS"] [Black "rondep"] [Result "1-0"] [UTCDate "2023.08.05"] [UTCTime "14:00:26"] [WhiteElo "2122"] [BlackElo "2448"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "60+0"] [ECO "E20"] [Opening "Nimzo-Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 { E20 Nimzo-Indian Defense } 4. e4? { (0.25 → -0.97) Mistake. Qc2 was best. } (4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. e3 Bb7 8. Nf3 d5) 4... Bxc3+? { (-0.97 → 0.58) Mistake. Nxe4 was best. } (4... Nxe4 5. Qc2 Nxc3 6. bxc3 Bd6 7. Bd3 b6 8. Nh3 h6 9. Qe2) 5. bxc3 Nxe4 6. Bd3 d5 7. Nf3?! { (0.00 → -0.64) Inaccuracy. Ne2 was best. } (7. Ne2 O-O 8. O-O h6 9. f3 Nf6 10. Qe1 dxc4 11. Bxc4 Nbd7 12. Qg3 Nh5 13. Qg4 Nhf6) 7... f5? { (-0.64 → 0.92) Mistake. Nxc3 was best. } (7... Nxc3 8. Qb3 dxc4 9. Bxc4 Nd5 10. Ba3 Nc6 11. O-O Nce7 12. Rfe1) 8. O-O c6? { (0.75 → 2.37) Mistake. O-O was best. } (8... O-O 9. Qc2) 9. Ne5? { (2.37 → 0.89) Mistake. Ba3 was best. } (9. Ba3 Nd6) 9... Nd7?? { (0.89 → 4.86) Blunder. O-O was best. } (9... O-O) 10. Qh5+ Ke7?? { (4.37 → 12.45) Blunder. g6 was best. } (10... g6 11. Nxg6 Nef6 12. Qh6 Rg8 13. Nh4 Kf7 14. Re1 Qf8 15. Qe3 Ne4 16. f3 Ng5 17. cxd5) 11. Qf7+ Kd6 12. c5+ Kc7 13. Qxe6?? { (9.20 → 2.89) Blunder. Bf4 was best. } (13. Bf4 g5) 13... Nxe5?? { (2.89 → 10.32) Blunder. Re8 was best. } (13... Re8 14. Qf7 Qe7 15. Bf4 Kd8 16. Bxe4 Nxe5 17. Qxe7+ Kxe7 18. Bxd5 cxd5 19. Bxe5 Kf7 20. Rab1) 14. Qxe5+ Kd7 15. Bxe4 fxe4 16. Bg5 Qf8 17. f4 h6 18. Bh4 g5 19. Bg3 Qe7 20. Qxh8 g4 21. f5 b6 22. f6 Qf7 23. Qxh6 Bb7 24. Qf4 Ke8 25. cxb6 axb6 26. c4 Ra4?! { (13.35 → Mate in 5) Checkmate is now unavoidable. Bc8 was best. } (26... Bc8 27. cxd5) 27. cxd5?! { (Mate in 5 → 16.75) Lost forced checkmate sequence. Qb8+ was best. } (27. Qb8+ Kd7 28. Qxb7+ Kd8 29. Qb8+ Kd7 30. Qc7+ Ke8 31. Qc8#) 27... Rxd4?! { (16.75 → Mate in 5) Checkmate is now unavoidable. Bc8 was best. } (27... Bc8 28. Qb8) 28. Qb8+ Bc8 29. Qxc8# { White wins by checkmate. } 1-0