[Event "13th COTS 2024 Intl. Tourn. Arena"] [Site "https://lichess.org/ESECVeCt"] [Date "2024.04.12"] [White "emirislamking"] [Black "rogervergara03"] [Result "1-0"] [UTCDate "2024.04.12"] [UTCTime "12:40:39"] [WhiteElo "2553"] [BlackElo "2208"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A08"] [Opening "Zukertort Opening: Reversed Grünfeld"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 { A08 Zukertort Opening: Reversed Grünfeld } cxd4 5. Nxd4 g6 6. c4 e6 7. Nc3 Bg7 8. Be3 Nf6 9. cxd5 exd5 10. h3 O-O 11. O-O h6 12. Qd2 Kh7 13. Rfd1 Be6 14. Rac1 Rc8 15. Nb3 a5 16. Nc5 b6 17. N5a4?! { (1.16 → 0.10) Inaccuracy. Nxe6 was best. } (17. Nxe6 fxe6 18. Na4 Nd7 19. h4 h5 20. Bh3 d4 21. Bg5 Qe8 22. b3 Na7 23. Rf1 Rxc1) 17... d4 18. Bxd4 Nxd4 19. Qxd4 Qxd4 20. Rxd4 Nd5?? { (-0.35 → 1.82) Blunder. b5 was best. } (20... b5) 21. Rxd5 Bxd5 22. Bxd5 b5 23. Nb6 Rcd8?? { (1.57 → 4.30) Blunder. Rc7 was best. } (23... Rc7 24. Rb1 Rb8 25. Nxb5 Rc5 26. Nd7 Rxd5 27. Nxb8 Rxb5 28. Nd7 Bxb2 29. a4 Rb4 30. e3) 24. Nxb5 Bxb2 25. Rc7 Be5 26. Rc6 a4 27. Kg2 Rb8 28. e4 Kg7 29. f4 Bb2 30. Kf3 a3 31. e5 Rfd8 32. Ke4 Bc1 33. Nd6 h5 34. Ndc4 Bb2 35. Rc7 Rf8 36. e6 Rbe8 37. Nd6 Rb8 38. Nxf7 Rxb6?? { (6.26 → Mate in 6) Checkmate is now unavoidable. Rfe8 was best. } (38... Rfe8 39. Ne5+ Kg8 40. Nbc4 Rb4 41. Nxg6 Bg7 42. Rd7 Kh7 43. Ne5 Rc8 44. Kf5 Rb5 45. e7) 39. Ng5+ Kf6 40. Nh7# { White wins by checkmate. } 1-0