[Event "F3 Regional de Ajedrez R. Ríos"] [Site "https://lichess.org/CxrJ3QEy"] [Date "2021.10.30"] [White "S11_MartinVelasquez"] [Black "S11_MateoBarrientos"] [Result "0-1"] [UTCDate "2021.10.30"] [UTCTime "14:34:57"] [WhiteElo "1141"] [BlackElo "1314"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+17"] [Variant "Standard"] [TimeControl "600+5"] [ECO "C41"] [Opening "Philidor Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Bc4 d6 3. Nf3 { C41 Philidor Defense } Nf6 4. O-O d5?? { (0.25 → 2.05) Blunder. Be7 was best. } (4... Be7 5. Nc3 c5 6. d3 O-O 7. Bg5 h6 8. Bxf6 Bxf6 9. Nd5) 5. Bxd5 Nxd5 6. exd5 Qxd5 7. d3?! { (0.98 → -0.06) Inaccuracy. c4 was best. } (7. c4 Qd6 8. c5 Qxc5 9. d4 Qd6 10. Nxe5 Be6 11. Nf3 Nc6) 7... e4?? { (-0.06 → 2.90) Blunder. Bg4 was best. } (7... Bg4 8. Nc3 Bxf3 9. Nxd5 Bxd1 10. Rxd1 Na6 11. a3 O-O-O 12. Ne3 Nc5 13. Nc4 f6 14. b4) 8. Nh4?? { (2.90 → -1.35) Blunder. Nc3 was best. } (8. Nc3) 8... exd3? { (-1.35 → 0.16) Mistake. Be7 was best. } (8... Be7 9. Nc3 Qd8 10. g3 exd3 11. Qxd3 Qxd3 12. cxd3 Nc6 13. Nd5 Bd8 14. Re1+ Be6 15. Nf4) 9. cxd3?! { (0.16 → -0.47) Inaccuracy. Nc3 was best. } (9. Nc3 Qd7 10. Re1+ Be7 11. Bg5 Nc6 12. Bxe7 Nxe7 13. Re3 O-O 14. Rxd3 Qc6 15. Qh5 Be6) 9... Bf5?? { (-0.47 → 4.72) Blunder. Be7 was best. } (9... Be7) 10. Nxf5?? { (4.72 → 1.96) Blunder. Nc3 was best. } (10. Nc3) 10... Qxf5 11. Qe1+?? { (1.75 → -0.67) Blunder. Qb3 was best. } (11. Qb3 b6) 11... Be7 12. Qe2? { (-0.58 → -2.07) Mistake. Qe4 was best. } (12. Qe4) 12... O-O?? { (-2.07 → 7.22) Blunder. Nc6 was best. } (12... Nc6 13. Nc3 O-O-O 14. Rd1 Bc5 15. Be3 Rd7 16. Rac1 Rhd8 17. Bxc5 Qxc5 18. Ne4 Qe5 19. Qe3) 13. Re1?? { (7.22 → -1.45) Blunder. Qxe7 was best. } (13. Qxe7 Nc6) 13... Re8 14. Bg5?? { (-1.29 → -7.83) Blunder. Nc3 was best. } (14. Nc3 Nc6) 14... Nc6?? { (-7.83 → -2.41) Blunder. Qxg5 was best. } (14... Qxg5 15. Nc3) 15. Nc3?? { (-2.41 → -7.92) Blunder. Bxe7 was best. } (15. Bxe7 Rxe7) 15... Qxg5 16. Ne4 Qh6 17. Rac1 f5 18. Nd2 Bd6 19. Qd1? { (-8.38 → Mate in 2) Checkmate is now unavoidable. Qxe8+ was best. } (19. Qxe8+ Rxe8 20. Rxe8+ Kf7 21. Rxc6 Qxd2 22. g3 Kxe8 23. Rc4 Qxd3 24. b3 Qb1+ 25. Kg2 Qxa2) 19... Qxh2+ 20. Kf1 Qh1# { Black wins by checkmate. } 0-1