[Event "Liga Universitaria Feb-Jun2021"] [Site "https://lichess.org/bO9qsfBi"] [Date "2021.03.13"] [White "RobertoLaGo"] [Black "Iveth24"] [Result "0-1"] [UTCDate "2021.03.13"] [UTCTime "01:00:00"] [WhiteElo "881"] [BlackElo "1500"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+38"] [Variant "Standard"] [TimeControl "1200+5"] [ECO "C65"] [Opening "Ruy Lopez: Berlin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 { C65 Ruy Lopez: Berlin Defense } 4. Bd3? { (0.48 → -0.86) Mistake. d3 was best. } (4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 Be6 7. Nb3 Bd6 8. Na5 Rb8) 4... a6 5. c4 Bc5 6. g4?? { (-0.60 → -4.67) Blunder. Nc3 was best. } (6. Nc3 d6 7. Be2 O-O 8. O-O Rb8 9. a4 Bg4 10. d3 Bxf3 11. Bxf3 Nd4 12. g3 c6) 6... Nxg4 7. h3? { (-5.18 → -10.04) Mistake. Rf1 was best. } (7. Rf1 d6 8. Nc3 O-O 9. h3 f5 10. Qe2 Nf6 11. Rg1 fxe4 12. Nxe4 Nd4 13. Nxd4 Bxd4) 7... Nxf2 8. Rf1 Nxd1 9. Kxd1 d6 10. Nc3 Bxh3 11. Rf2 Bxf2 12. Nd5 O-O 13. Ne3 Bxe3 14. dxe3 Nb4 15. Bc2 Bg4 16. a3?! { (-22.63 → Mate in 7) Checkmate is now unavoidable. Kd2 was best. } (16. Kd2 Nxc2) 16... Bxf3+?! { (Mate in 7 → -26.35) Lost forced checkmate sequence. Qh4 was best. } (16... Qh4 17. Bd3 Qf2 18. Be2 Bxf3 19. Kd2 Qxe2+ 20. Kc3 Qc2+ 21. Kxb4 a5+ 22. Kb5 Qb3#) 17. Ke1?! { (-26.35 → Mate in 5) Checkmate is now unavoidable. Kd2 was best. } (17. Kd2 Nxc2) 17... Nxc2+ 18. Kf2 Bxe4 19. Rb1 Qh4+ 20. Ke2 Qe1# { Black wins by checkmate. } 0-1