[Event "GRAND PRIX DE AJEDREZ CODEMA"] [Site "https://lichess.org/bkiWBCgo"] [Date "2020.11.29"] [White "VALLEDREZ"] [Black "gallegosEnCodema"] [Result "0-1"] [UTCDate "2020.11.29"] [UTCTime "17:28:17"] [WhiteElo "2077"] [BlackElo "2007"] [WhiteRatingDiff "-28"] [BlackRatingDiff "+20"] [Variant "Standard"] [TimeControl "600+5"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5?! { (0.00 → 0.74) Inaccuracy. e6 was best. } (1... e6 2. c4 d5 3. Nf3 Nf6 4. cxd5 exd5 5. Bf4 c5 6. Nc3) 2. d5 { A43 Benoni Defense: Old Benoni } e6 3. dxe6?! { (0.67 → 0.00) Inaccuracy. e4 was best. } (3. e4 exd5 4. exd5 d6 5. Nf3 Nd7 6. Bd3 Ngf6 7. c4 b5) 3... fxe6 4. Nf3?! { (0.58 → -0.40) Inaccuracy. e4 was best. } (4. e4 Nc6 5. c4 d6 6. Nc3 Be7 7. f4 b6 8. Nf3 Nf6) 4... d5 5. Bg5 Be7 6. Bxe7 Nxe7 7. Nc3?! { (-0.51 → -1.25) Inaccuracy. e3 was best. } (7. e3 Nbc6 8. c4 O-O 9. Nbd2 b6 10. Bd3 Nf5 11. O-O Bb7 12. Qb3 d4 13. Rae1 Qe7) 7... a6 8. e4 Nbc6 9. exd5 exd5 10. Be2 O-O 11. O-O Bf5 12. a3?! { (-0.63 → -1.71) Inaccuracy. Nh4 was best. } (12. Nh4) 12... b5? { (-1.71 → -0.54) Mistake. d4 was best. } (12... d4 13. Na4 Qd6 14. Nb6 Rad8 15. Qd2 Ng6 16. Rae1 Kh8 17. Bd3 Nf4 18. Be4 Nxg2 19. Kxg2) 13. Nh4 Be6 14. g3 Nd4 15. Bg4 Nef5?! { (-1.03 → -0.11) Inaccuracy. Bxg4 was best. } (15... Bxg4 16. Qxg4) 16. Nxf5 Bxf5 17. Bxf5 Rxf5 18. Rc1?? { (-0.29 → -5.64) Blunder. f4 was best. } (18. f4 Qb6) 18... Nf3+ 19. Kg2 d4 20. Ne2?! { (-5.84 → -10.78) Inaccuracy. Ne4 was best. } (20. Ne4 Qd5) 20... g5? { (-10.78 → -4.95) Mistake. Qd5 was best. } (20... Qd5) 21. Qd3? { (-4.95 → -10.12) Mistake. Ng1 was best. } (21. Ng1 Ne5 22. h3 Qd5+ 23. Kh2 Raf8 24. Qe2 g4 25. Rcd1 h5 26. Rde1 a5 27. Qe4 Qxe4) 21... Qd5 22. Kh3? { (-9.80 → Mate in 3) Checkmate is now unavoidable. Kh1 was best. } (22. Kh1 Ne1+ 23. f3 Nxd3 24. cxd3 Rxf3 25. Kg1 Rxd3 26. Rc2 Qe4 27. Nc1 Rd1 28. Rf2 Rxf1+) 22... g4+ 23. Kxg4 Ne5+ 24. Kh3 Nxd3?! { (Mate in 1 → -12.49) Lost forced checkmate sequence. Rh5# was best. } (24... Rh5#) 25. cxd3?! { (-12.49 → Mate in 2) Checkmate is now unavoidable. f3 was best. } (25. f3 Nxc1) 25... Rh5+ 26. Kg4 Qf5# { Black wins by checkmate. } 0-1