[Event "Rated classical game"] [Site "https://lichess.org/7BDSIZd7"] [Date "2020.05.06"] [White "Alfonso-Luis"] [Black "Cobosca"] [Result "0-1"] [UTCDate "2020.05.06"] [UTCTime "15:50:18"] [WhiteElo "1335"] [BlackElo "1319"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+55"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "C42"] [Opening "Petrov's Defense: Three Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 3. Nc3 { C42 Petrov's Defense: Three Knights Game } Bc5?! { (0.14 → 0.95) Inaccuracy. Nc6 was best. } (3... Nc6 4. a3 d5 5. exd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. d4) 4. Bc4?! { (0.95 → -0.08) Inaccuracy. Nxe5 was best. } (4. Nxe5 Bd4 5. Nf3 Bxc3 6. dxc3 Nxe4 7. Bd3 Nf6 8. Qe2+ Qe7) 4... O-O?! { (-0.08 → 0.87) Inaccuracy. d6 was best. } (4... d6 5. h3 O-O 6. O-O c6 7. d3 a5 8. a3 b5 9. Ba2) 5. O-O?! { (0.87 → 0.00) Inaccuracy. Nxe5 was best. } (5. Nxe5 Nc6 6. Nf3 d5 7. Nxd5 Nxe4 8. Ne3 Be6 9. Bxe6 fxe6) 5... Ng4?? { (0.00 → 2.19) Blunder. d6 was best. } (5... d6 6. a4 c6 7. d3 Nbd7 8. Be3 Bb4 9. Na2 Bc5) 6. h3 Nh6? { (2.05 → 3.55) Mistake. Nf6 was best. } (6... Nf6 7. Nxe5 Bd4 8. Nxf7 Rxf7 9. Bxf7+ Kxf7 10. Nb5 Nc6 11. Nxd4) 7. d3?! { (3.55 → 2.17) Inaccuracy. d4 was best. } (7. d4 Be7) 7... Qf6?? { (2.17 → 6.31) Blunder. Nc6 was best. } (7... Nc6) 8. Bxh6?? { (6.31 → 1.69) Blunder. Nd5 was best. } (8. Nd5 Qd6) 8... Qxh6 9. Nxe5 Qf4? { (1.64 → 3.70) Mistake. d6 was best. } (9... d6 10. Nf3) 10. Nf3?! { (3.70 → 2.38) Inaccuracy. d4 was best. } (10. d4 Bd6 11. Nd5 Qh4 12. Ng4 b5 13. Bd3 c6 14. Nde3 Bc7 15. Nf5 Qd8 16. e5 g6) 10... a6? { (2.38 → 4.51) Mistake. c6 was best. } (10... c6 11. d4) 11. Nd5 Qd6?! { (4.39 → 5.60) Inaccuracy. Qh6 was best. } (11... Qh6 12. d4) 12. a3?? { (5.60 → 2.58) Blunder. d4 was best. } (12. d4) 12... b5 13. b4?! { (3.23 → 2.27) Inaccuracy. Ba2 was best. } (13. Ba2 c6 14. e5 Qg6 15. d4 cxd5 16. Bxd5 Ra7 17. dxc5 Bb7 18. Bxb7 Rxb7 19. b4 Nc6) 13... Ba7?! { (2.27 → 3.11) Inaccuracy. bxc4 was best. } (13... bxc4 14. bxc5) 14. Bb3 c6?! { (3.34 → 4.55) Inaccuracy. Nc6 was best. } (14... Nc6 15. c4) 15. Ne3? { (4.55 → 2.55) Mistake. e5 was best. } (15. e5 Qh6 16. Ne7+ Kh8 17. Nf5 Qg6 18. Nd6 Bb6 19. d4 f5 20. Qd3 Qh5 21. Qe3 h6) 15... Bxe3 16. Qd2?? { (3.15 → -12.93) Blunder. fxe3 was best. } (16. fxe3 Qg3) 16... Bxd2 17. Rae1 Bxe1 18. Rxe1 Qg6 19. c4 d5 20. cxd5 Bxh3 21. Ne5?! { (-20.21 → Mate in 1) Checkmate is now unavoidable. Nh4 was best. } (21. Nh4 Qg5) 21... Qxg2# { Black wins by checkmate. } 0-1