[Event "Torneo Facultad Civil Sabádo"] [Site "https://lichess.org/5nXfJMoW"] [Date "2021.06.13"] [White "JohnphilAbrauOrtega"] [Black "Allan_d"] [Result "0-1"] [UTCDate "2021.06.13"] [UTCTime "03:21:22"] [WhiteElo "1470"] [BlackElo "1642"] [WhiteRatingDiff "-43"] [BlackRatingDiff "+31"] [Variant "Standard"] [TimeControl "600+10"] [ECO "C41"] [Opening "Philidor Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 d6 3. d4 exd4 { C41 Philidor Defense: Exchange Variation } 4. b3?! { (0.56 → -0.40) Inaccuracy. Nxd4 was best. } (4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 Nc6 7. Qd2 O-O 8. O-O-O Nxd4) 4... Nc6?! { (-0.40 → 0.29) Inaccuracy. c5 was best. } (4... c5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. O-O Nf6 8. Re1 Nc6 9. c3) 5. a4? { (0.29 → -0.88) Mistake. Nxd4 was best. } (5. Nxd4 d5 6. Nc3 Nf6 7. Nxc6 bxc6 8. exd5 Nxd5 9. Nxd5 Qxd5) 5... Nf6 6. Bb2?! { (-1.08 → -1.75) Inaccuracy. Bb5 was best. } (6. Bb5) 6... Be6?? { (-1.75 → 0.41) Blunder. d5 was best. } (6... d5 7. Nxd4 Bb4+ 8. c3 Bc5 9. exd5 Nxd4 10. cxd4 Bb4+ 11. Bc3 Nxd5 12. Bxb4 Nxb4 13. Nc3) 7. Bc4?? { (0.41 → -1.94) Blunder. Bb5 was best. } (7. Bb5 Nxe4 8. Nxd4 Qd7 9. O-O Nf6 10. Qe2 Be7 11. Re1 d5 12. Nxe6 Qxe6 13. Qxe6 fxe6) 7... Bxc4?! { (-1.94 → -0.93) Inaccuracy. d5 was best. } (7... d5 8. exd5) 8. bxc4 Nxe4 9. Qd3? { (-0.88 → -2.65) Mistake. Nxd4 was best. } (9. Nxd4) 9... Nc5 10. Nxd4?? { (-2.85 → -11.11) Blunder. Qe2+ was best. } (10. Qe2+ Be7) 10... Nxd3+ 11. cxd3 Qe7+ 12. Ne2 O-O-O 13. Nd2 h5 14. g3 h4 15. gxh4 Rxh4 16. Nf3 Rh8 17. O-O Qxe2 18. Ne1?! { (-16.07 → Mate in 7) Checkmate is now unavoidable. Kg2 was best. } (18. Kg2 Qxb2) 18... Qxb2?! { (Mate in 7 → -18.63) Lost forced checkmate sequence. Qh5 was best. } (18... Qh5 19. Nf3 Qg4+ 20. Kh1 Qxf3+ 21. Kg1 Qg4+ 22. Kh1 Qh3 23. Be5 Nxe5 24. Rae1 Qxh2#) 19. Rd1 Qf6 20. Kh1?! { (-17.15 → Mate in 5) Checkmate is now unavoidable. Ng2 was best. } (20. Ng2 Nd4) 20... g5?! { (Mate in 5 → -16.45) Lost forced checkmate sequence. Qf4 was best. } (20... Qf4 21. Nf3 Qxf3+ 22. Kg1 Qg4+ 23. Kh1 Qh3 24. Kg1 Qxh2#) 21. Rd2?! { (-16.45 → Mate in 12) Checkmate is now unavoidable. f4 was best. } (21. f4 Ne5) 21... g4?! { (Mate in 12 → -16.82) Lost forced checkmate sequence. Qf4 was best. } (21... Qf4 22. f3 Qxd2 23. Ng2 Qxd3 24. Rf2 Qd1+ 25. Ne1 Qxe1+ 26. Kg2 Bg7 27. h3 Bd4 28. Rf1) 22. Rg1?! { (-16.82 → Mate in 3) Checkmate is now unavoidable. f4 was best. } (22. f4 Qc3) 22... Qh4?! { (Mate in 3 → -19.49) Lost forced checkmate sequence. Rxh2+ was best. } (22... Rxh2+ 23. Kxh2 Qh4+ 24. Kg2 Qh3#) 23. Ng2?! { (-19.49 → Mate in 1) Checkmate is now unavoidable. f4 was best. } (23. f4 Re8) 23... Qxh2# { Black wins by checkmate. } 0-1