[Event "TORNEO DE AJEDREZ COPA UDES Arena"] [Site "https://lichess.org/kKNe9myP"] [Date "2020.05.23"] [White "CHRISTIANVALLEJO"] [Black "Oscar_RM"] [Result "1-0"] [UTCDate "2020.05.23"] [UTCTime "22:05:43"] [WhiteElo "1500"] [BlackElo "1198"] [WhiteRatingDiff "+85"] [BlackRatingDiff "-75"] [Variant "Standard"] [TimeControl "240+2"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nc6 { B00 Nimzowitsch Defense } 2. Nc3?! { (0.75 → 0.08) Inaccuracy. d4 was best. } (2. d4 d5 3. e5 f6 4. f4 Nh6 5. c3 Bf5 6. Nf3 e6) 2... Nf6 3. d3?! { (0.54 → -0.18) Inaccuracy. d4 was best. } (3. d4 e6 4. a3 d6 5. Nf3 Be7 6. Be2 O-O 7. O-O e5) 3... d5 4. exd5 Ne5?? { (-0.42 → 1.61) Blunder. Nxd5 was best. } (4... Nxd5 5. Be2 e5 6. Nf3 Be7 7. O-O O-O 8. Nxd5 Qxd5 9. c3) 5. d4 Nc4?? { (1.46 → 6.71) Blunder. Ned7 was best. } (5... Ned7 6. Nf3) 6. Bxc4 Be6 7. dxe6 fxe6 8. Bf4 g6 9. Bxe6 Qd6 10. Bb3 O-O-O 11. Bxd6 exd6 12. Be6+ Kb8 13. Nf3 h5 14. O-O Nd5 15. Bxd5 c6 16. Bb3 d5 17. Na4 Bh6 18. Ne5 a5 19. Nf7 Rde8 20. Nxh8 Rxh8 21. Qf3 h4 22. Rfe1 g5?! { (30.56 → Mate in 5) Checkmate is now unavoidable. Bd2 was best. } (22... Bd2 23. Qf6) 23. c4?! { (Mate in 5 → 30.99) Lost forced checkmate sequence. Qf7 was best. } (23. Qf7 Rf8 24. Qd7 Ka7 25. Nc5 Rb8 26. Qc7 Rc8 27. Qxb7#) 23... dxc4?! { (30.99 → Mate in 5) Checkmate is now unavoidable. Rf8 was best. } (23... Rf8 24. Qd3) 24. Bxc4 Bf8 25. Re8+ Kc7 26. Qf7+ Be7 27. Qxe7# { White wins by checkmate. } 1-0