[Event "XXV Xadrez de Base Sigrás Arena"] [Site "https://lichess.org/oAG0B4ls"] [Date "2020.04.15"] [White "Santihern"] [Black "nicosilva"] [Result "0-1"] [UTCDate "2020.04.15"] [UTCTime "15:42:00"] [WhiteElo "1024"] [BlackElo "1245"] [WhiteRatingDiff "-41"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "420+3"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. Bb3 Nc6?! { (-0.35 → 0.21) Inaccuracy. Nxe4 was best. } (3... Nxe4 4. Qe2 d5 5. Nc3 Nxc3 6. Qxe5+ Be6 7. dxc3 Nd7 8. Qe2) 4. Qe2?? { (0.21 → -1.66) Blunder. d3 was best. } (4. d3 a5 5. c3 d5 6. exd5 Nxd5 7. Nf3 Be7 8. O-O Nb6) 4... d6?? { (-1.66 → 0.50) Blunder. Nd4 was best. } (4... Nd4 5. Qd1 d5 6. exd5 Bc5 7. Nc3 Bg4 8. f3 Bh5 9. d3 O-O 10. Kf1 h6 11. Qe1) 5. Qc4?? { (0.50 → -1.38) Blunder. Nf3 was best. } (5. Nf3) 5... d5? { (-1.38 → -0.14) Mistake. Be6 was best. } (5... Be6 6. Qd3) 6. Qxd5?? { (-0.14 → -9.30) Blunder. exd5 was best. } (6. exd5) 6... Nxd5 7. Bxd5 Nb4 8. c3 Nxd5 9. g3 Nb6 10. Nh3 Bc5 11. Rf1 Bxh3 12. Rg1?! { (-21.70 → Mate in 11) Checkmate is now unavoidable. d4 was best. } (12. d4 Bxf1) 12... O-O?! { (Mate in 11 → -21.65) Lost forced checkmate sequence. Qd3 was best. } (12... Qd3 13. g4 Qxe4+ 14. Kd1 Bxf2 15. d3 Qxd3+ 16. Bd2 Bxg1 17. Kc1 Bxg4 18. b3 Bf5 19. Na3) 13. g4 Bxg4 14. Rxg4 Re8 15. d4 exd4 16. cxd4 Bxd4 17. Nc3 Bc5 18. Nd1 Qd7 19. f4?! { (-18.12 → Mate in 7) Checkmate is now unavoidable. Rg5 was best. } (19. Rg5 Rxe4+ 20. Ne3 Qb5 21. Rxc5 Qxc5 22. Kf1 Nd5 23. Kg2 Nxe3+ 24. Bxe3 Qc2 25. Kf3 Qxb2) 19... Qxg4 20. h3 Qxh3 21. Ke2 Rxe4+ 22. Kd2 Qh2+ 23. Kc3 Bb4+ 24. Kb3 Bc5 25. Kc3 Rxf4 26. Kd3 Qh3+ 27. Kd2 Re8 28. Kc2 Re2+ 29. Kb1 Rfe4 30. Nc3 R2e3 31. Nd1 Rf3 32. Kc2 Qh2+ 33. Kb1 Qh3 34. Ne3 Bxe3 35. Bxe3 Rexe3 36. a3 Rf1+ 37. Kc2 Re2# { Black wins by checkmate. } 0-1