[Event "I Olimpíada CTXB - 4ª Divisão"] [Site "https://lichess.org/kwPDQqYR"] [Date "2021.04.13"] [White "paulu2004"] [Black "adoliveira"] [Result "0-1"] [UTCDate "2021.04.13"] [UTCTime "23:18:56"] [WhiteElo "1497"] [BlackElo "1600"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C47"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C47 Four Knights Game } 4. Be2 g6?! { (-0.13 → 0.90) Inaccuracy. d5 was best. } (4... d5 5. exd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. O-O O-O 9. d4) 5. O-O?! { (0.90 → -0.05) Inaccuracy. d4 was best. } (5. d4 exd4 6. Nxd4 Bg7 7. Nxc6 bxc6 8. e5 Nd5 9. Nxd5 cxd5) 5... Bg7 6. d3 O-O 7. Bg5?! { (-0.13 → -0.87) Inaccuracy. Be3 was best. } (7. Be3 d5 8. Bg5 d4 9. Nd5 Be6 10. Nxf6+ Bxf6 11. Bxf6 Qxf6) 7... h6 8. Bh4 b6?! { (-0.19 → 0.68) Inaccuracy. d6 was best. } (8... d6 9. d4 exd4 10. Nxd4 g5 11. Nxc6 bxc6 12. Bg3 Qe7 13. Bd3 Rb8 14. Rb1 Ng4 15. Qd2) 9. d4 d6 10. Nd5? { (0.59 → -0.56) Mistake. dxe5 was best. } (10. dxe5 Nxe5 11. Nxe5 dxe5 12. Qxd8 Rxd8 13. Bxf6 Bxf6 14. Nd5 Kg7 15. Nxc7 Rb8 16. Rfd1 Bb7) 10... Be6?? { (-0.56 → 5.11) Blunder. Nxd4 was best. } (10... Nxd4 11. Nxd4) 11. Bxf6 Bxf6 12. Nxf6+ Qxf6 13. dxe5?? { (5.04 → 0.16) Blunder. d5 was best. } (13. d5) 13... dxe5 14. Bb5?! { (0.00 → -0.63) Inaccuracy. Qd2 was best. } (14. Qd2 Qf4) 14... Na5 15. Qe2 Rfd8?! { (-0.57 → 0.16) Inaccuracy. Bg4 was best. } (15... Bg4 16. Rad1 Rad8 17. b4 Nb7 18. Ba6 Rxd1 19. Rxd1 Nd8 20. Bc4 Nc6 21. c3 Bxf3 22. Qxf3) 16. a3?! { (0.16 → -0.75) Inaccuracy. b4 was best. } (16. b4 a6 17. Bxa6 Bg4 18. Bb5 c6 19. Bd3 Nb7 20. a4 Rd4 21. Rfb1 Bxf3 22. Qxf3 Qxf3) 16... Bd7?! { (-0.75 → -0.11) Inaccuracy. Bg4 was best. } (16... Bg4 17. b4 a6 18. bxa5 axb5 19. axb6 Bxf3 20. Qxf3 Qxb6 21. h4 h5 22. Rfd1 Kg7 23. Rxd8) 17. Bxd7 Rxd7 18. Rfd1 Rad8 19. Rxd7 Rxd7 20. Qb5 Qd8 21. g3 Rd1+ 22. Kg2?? { (0.00 → -7.15) Blunder. Rxd1 was best. } (22. Rxd1 Qxd1+ 23. Kg2 Qxc2 24. Qe8+ Kg7 25. Qxe5+ Kg8 26. Qe7 Nc4 27. Nd4 Qd3 28. Qe8+ Kg7) 22... Rxa1 23. Qxe5 Nc4 24. Qf4 Kg7 25. e5 Rd1?? { (-8.12 → -2.63) Blunder. Nxb2 was best. } (25... Nxb2) 26. b3?? { (-2.63 → -7.48) Blunder. Qxc4 was best. } (26. Qxc4 Qd5) 26... Nd2 27. Nh4 g5 28. Qf6+ Qxf6 29. exf6+ Kxf6 30. Nf3 Nxf3 31. Kxf3 Rc1 32. Kg4 Rxc2 33. Kh5 Rxf2 34. Kxh6?! { (-64.47 → Mate in 1) Checkmate is now unavoidable. h4 was best. } (34. h4 Rf3) 34... Rxh2# { Black wins by checkmate. } 0-1