[Event "Academia Ajedrez CR Arena"] [Site "https://lichess.org/KD1syYdv"] [Date "2020.08.22"] [White "Climaco"] [Black "joseroberto7"] [Result "0-1"] [UTCDate "2020.08.22"] [UTCTime "01:52:25"] [WhiteElo "1311"] [BlackElo "1468"] [WhiteRatingDiff "-21"] [BlackRatingDiff "+21"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D05"] [Opening "Queen's Pawn Game: Colle System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. e3 Nf6 3. Nf3 e6 4. Bd3 { D05 Queen's Pawn Game: Colle System } Bd6 5. b3 O-O 6. Bb2 b6 7. Nbd2 Bb7 8. O-O Qe7 9. Qe2 Re8 10. c4 Nbd7 11. Ne5 c5 12. dxc5?? { (0.25 → -4.56) Blunder. Ndf3 was best. } (12. Ndf3 cxd4 13. exd4 h6 14. h3 Rac8 15. Nd2 Bb4 16. f4 Bxd2 17. Qxd2 Ne4 18. Qe3 Nf8) 12... Bxc5?? { (-4.56 → 0.11) Blunder. Bxe5 was best. } (12... Bxe5 13. Bxe5 Nxe5 14. cxd5 exd5 15. Bb5 Rec8 16. cxb6 axb6 17. a4 Ne4 18. Nxe4 dxe4 19. Rfd1) 13. f4?! { (0.11 → -0.58) Inaccuracy. Nxd7 was best. } (13. Nxd7 Nxd7) 13... Nxe5? { (-0.58 → 0.81) Mistake. Red8 was best. } (13... Red8 14. Rad1) 14. Bxe5?? { (0.81 → -1.10) Blunder. fxe5 was best. } (14. fxe5 Ne4 15. Bxe4 dxe4 16. Rf4 Rad8 17. Nxe4 Qd7 18. Nxc5 bxc5 19. Raf1 Qd2 20. Qf2 Rf8) 14... Nd7 15. Bb2 e5 16. fxe5 Nxe5 17. Bxe5?! { (-1.51 → -2.13) Inaccuracy. Bd4 was best. } (17. Bd4 Nxd3) 17... Qxe5 18. Rf5?? { (-2.20 → -18.52) Blunder. Kh1 was best. } (18. Kh1 Qxe3 19. Rae1 Qxe2 20. Rxe2 Ba6 21. Rxe8+ Rxe8 22. Rd1 g6 23. Bf1 dxc4 24. Bxc4 Bxc4) 18... Qxa1+ 19. Kf2 dxc4 20. Bxc4 Qxa2 21. Bxf7+ Kh8 22. Rh5 Bxe3+ 23. Kf1?! { (-26.60 → Mate in 10) Checkmate is now unavoidable. Qxe3 was best. } (23. Qxe3 Rxe3) 23... Qa1+ 24. Qd1 Qxd1# { Black wins by checkmate. } 0-1