[Event "2023 Spring Marathon"] [Site "https://lichess.org/aRpjFzgq"] [Date "2023.04.15"] [White "Ceylon_Chaturanga"] [Black "SanLit"] [Result "1-0"] [UTCDate "2023.04.15"] [UTCTime "07:29:46"] [WhiteElo "2064"] [BlackElo "2453"] [WhiteRatingDiff "+12"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "120+0"] [ECO "A41"] [Opening "Old Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d6?! { (0.00 → 0.66) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. c4 { A41 Old Indian Defense } g6 3. g3 Bg7 4. Bg2 e5 5. Nf3 e4 6. Ng5 f5 7. O-O h6 8. Nh3 Nf6 9. Nc3 O-O 10. f3 Qe7 11. fxe4 Nxe4? { (0.48 → 1.97) Mistake. fxe4 was best. } (11... fxe4 12. Nf4 Bf5 13. Ncd5 Nxd5 14. Nxd5 Qd7 15. g4 Bxg4 16. Rxf8+ Kxf8 17. Qf1+ Bf5 18. Bxe4) 12. Nxe4?! { (1.97 → 1.02) Inaccuracy. Nf4 was best. } (12. Nf4 Nxc3 13. bxc3 Kh7 14. e4 Nc6 15. exf5 Bxf5 16. g4 Bd7 17. Rb1 Na5 18. Qd3 Rf6) 12... fxe4 13. Nf4 g5 14. Nd5 Rxf1+ 15. Qxf1 Qd8 16. e3 c6 17. Nc3 d5?! { (1.22 → 1.90) Inaccuracy. c5 was best. } (17... c5 18. Nxe4) 18. cxd5 cxd5 19. Qb5 Be6?! { (1.99 → 2.92) Inaccuracy. Nc6 was best. } (19... Nc6 20. Qxd5+ Qxd5 21. Nxd5 Bf5 22. Bd2 Rd8 23. Nc3 Bg6 24. Rc1 Re8 25. Nd1 Rd8 26. Be1) 20. Bd2?? { (2.92 → 0.00) Blunder. Qxb7 was best. } (20. Qxb7) 20... Nc6 21. Rf1?! { (0.48 → -0.46) Inaccuracy. Qxb7 was best. } (21. Qxb7 Qe8 22. Qa6 Rb8 23. Rb1 h5 24. Be1 Rb6 25. Qa4 Rb4 26. Qa3 Rb8 27. Na4 Bg4) 21... Qb6 22. Qxb6 axb6 23. a3 Na5 24. Nb5 Rc8 25. Bc3?! { (0.00 → -0.73) Inaccuracy. Nd6 was best. } (25. Nd6 Rc6 26. Bxa5 bxa5 27. Nxb7 Rc2 28. Nc5 Bc8 29. Rf2 Rc1+ 30. Rf1 Rc2) 25... Nc4 26. Re1 Bd7 27. a4 Bxb5?! { (-0.69 → 0.00) Inaccuracy. h5 was best. } (27... h5 28. Bf1 Bh6 29. Bxc4 Rxc4 30. Rf1 Bg7 31. Nd6 Rxa4 32. Rf7 Bh3 33. Rxb7 Ra1+ 34. Kf2) 28. axb5 Ra8 29. Bh3 Kf7 30. Rf1+ Ke7 31. Bb4+ Ke8 32. Be6 Nxe3 33. Rf7 Bxd4?? { (-0.33 → Mate in 1) Checkmate is now unavoidable. Ra1+ was best. } (33... Ra1+ 34. Kf2 Rf1+ 35. Kxe3 Rxf7 36. Bxf7+ Kxf7 37. g4 Bf8 38. Bxf8 Kxf8 39. h3 Kf7 40. Ke2) 34. Rf8# { White wins by checkmate. } 1-0