[Event "GM Barbosa simul"] [Site "https://lichess.org/Ap3nklZd"] [Date "2020.05.08"] [White "Psycho_08"] [Black "kakak"] [Result "0-1"] [UTCDate "2020.05.08"] [UTCTime "14:03:16"] [WhiteElo "1952"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "3600+5"] [ECO "B92"] [Opening "Sicilian Defense: Najdorf Variation, Opocensky Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 { B92 Sicilian Defense: Najdorf Variation, Opocensky Variation } e5 7. Nb3 Be7 8. Be3 Be6 9. f3 Nbd7 10. O-O Rc8 11. Qd2?! { (-0.21 → -0.79) Inaccuracy. a4 was best. } (11. a4 Nb6) 11... b5?? { (-0.79 → 1.31) Blunder. Nb6 was best. } (11... Nb6 12. f4 O-O 13. Na5 Qc7 14. Kh1 exf4 15. Bxf4 Nfd7 16. Rac1 Ne5 17. Nd5 Nxd5 18. exd5) 12. Nd1?? { (1.31 → -1.17) Blunder. a4 was best. } (12. a4) 12... Qc7 13. Rc1 O-O?! { (-1.46 → -0.43) Inaccuracy. d5 was best. } (13... d5) 14. Nf2? { (-0.43 → -1.73) Mistake. c4 was best. } (14. c4) 14... d5 15. Rfd1 h6 16. Qa5 Qb7 17. exd5? { (-1.76 → -3.48) Mistake. Qe1 was best. } (17. Qe1 Rfd8) 17... Nxd5 18. Rxd5 Bxd5 19. Qd2 Nf6 20. Nd3 e4 21. Ndc5 Qa8 22. f4? { (-3.89 → -6.20) Mistake. Nxe4 was best. } (22. Nxe4 Nxe4) 22... Rfd8 23. Qe1 Bc4 24. Qf2 a5 25. a4 Nd5 26. Bg4 Rc7 27. Nxe4 Nxe3 28. Qxe3 Bxb3 29. Bf3 Bd5 30. axb5 Bxe4 31. Qxe4 Qxe4 32. Bxe4 Rc4 33. Re1 Bc5+ 34. Kh1 Rxe4 35. Rf1 Rxf4 36. Ra1 Rb4 37. h4?! { (-13.97 → Mate in 1) Checkmate is now unavoidable. b3 was best. } (37. b3 Rd2) 37... Rxh4# { Black wins by checkmate. } 0-1