[Event "2DO TORNEO GRUPO 06 UCSM2021-I Arena"] [Site "https://lichess.org/Acud2GDv"] [Date "2021.05.31"] [White "Valentinarodriguezcr"] [Black "karlcopavaldivia"] [Result "0-1"] [GameId "Acud2GDv"] [UTCDate "2021.05.31"] [UTCTime "23:06:37"] [WhiteElo "1165"] [BlackElo "1354"] [WhiteRatingDiff "-57"] [BlackRatingDiff "+37"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A00"] [Opening "Grob Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. g4? { (0.15 → -0.95) Mistake. e4 was best. } { A00 Grob Opening } (1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6) 1... c6?! { (-0.95 → -0.16) Inaccuracy. d5 was best. } (1... d5 2. Bg2 Nc6 3. c4 d4 4. Qa4 Bd7 5. d3 e5 6. Nd2) 2. Nf3 e6 3. Nc3 Nh6? { (0.11 → 1.54) Mistake. d5 was best. } (3... d5) 4. g5 Nf5 5. e4 Nd6 6. Na4?? { (1.92 → -1.32) Blunder. d4 was best. } (6. d4 Nb5 7. Nxb5 cxb5 8. Bf4 a6 9. h4 d5 10. Bd3 Nc6 11. h5 Bd6 12. e5 Be7) 6... Nxe4 7. d3 Nd6 8. b4?? { (-1.05 → -3.24) Blunder. Bf4 was best. } (8. Bf4) 8... Nb5?? { (-3.24 → -1.14) Blunder. a5 was best. } (8... a5) 9. c4? { (-1.14 → -2.80) Mistake. a3 was best. } (9. a3 a5 10. Bd2 Nd6 11. c4 b5 12. Nc5 Be7 13. Nb3 axb4 14. axb4 Rxa1 15. Qxa1 O-O) 9... Bxb4+ 10. Ke2?! { (-2.36 → -3.29) Inaccuracy. Bd2 was best. } (10. Bd2 Bxd2+ 11. Qxd2 Nc7 12. Nc3 d6 13. d4 Nd7 14. h4 Qe7 15. h5 h6 16. O-O-O d5) 10... Nd6 11. Nd4 b5 12. Nb6? { (-4.17 → -8.86) Mistake. a3 was best. } (12. a3 Ba5 13. cxb5 Nxb5 14. Nb3 Bc7 15. Bg2 d5 16. h4 e5 17. h5 O-O 18. Kf1 f6) 12... axb6 13. Bh3 bxc4 14. Nf3 Ba6 15. dxc4 Bxc4+ 16. Ke3 Bc5+ 17. Kd2 b5 18. Ke1 Qa5+ 19. Bd2 Qb6 20. Bc1?! { (-12.92 → Mate in 6) Checkmate is now unavoidable. Qc1 was best. } (20. Qc1 Ra3) 20... h6?! { (Mate in 6 → -12.09) Lost forced checkmate sequence. Bxf2+ was best. } (20... Bxf2+ 21. Kd2 Rxa2+ 22. Bb2 Qe3+ 23. Kc2 Qb3+ 24. Kd2 Qxb2+ 25. Qc2 Qxc2#) 21. Qxd6 Bxd6 22. Rb1 Rxa2 23. gxh6?! { (-20.42 → Mate in 2) Checkmate is now unavoidable. Nd2 was best. } (23. Nd2 Qd4) 23... Qa5+ 24. Kd1 gxh6 25. Rg1 Qa4+ 26. Ke1 Bb4+ 27. Bd2 Na6 28. Nd4 Bd3 29. Rxb4 Nxb4?! { (Mate in 6 → -23.40) Lost forced checkmate sequence. Ra1+ was best. } (29... Ra1+ 30. Rb1 Rxb1+ 31. Bc1 Qxd4 32. Rg8+ Rxg8 33. Bf5 Qc3+ 34. Kd1 Qxc1#) 30. Bxb4?! { (-23.40 → Mate in 2) Checkmate is now unavoidable. f3 was best. } (30. f3 e5) 30... Qxb4+ 31. Kd1 Qb1# { Black wins by checkmate. } 0-1