[Event "GM JuanCGlez simul"] [Site "https://lichess.org/MH8JPJYP"] [Date "2021.10.16"] [White "MariellaMR"] [Black "JuanCGlez"] [Result "0-1"] [UTCDate "2021.10.16"] [UTCTime "16:27:49"] [WhiteElo "1500"] [BlackElo "1500"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "1200+15"] [ECO "B56"] [Opening "Sicilian Defense: Classical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 { B56 Sicilian Defense: Classical Variation } 6. Be3 e5 7. Nf3 Be7 8. Qd2 O-O 9. O-O-O Bg4?! { (0.08 → 0.83) Inaccuracy. a6 was best. } (9... a6 10. h3) 10. Be2 Rc8 11. h3 Bh5 12. g4? { (0.02 → -1.50) Mistake. Bg5 was best. } (12. Bg5 Bg6 13. Bd3 Nb4 14. Kb1 Nxd3 15. cxd3 Nd7 16. Bxe7 Qxe7 17. g4 Qd8 18. Ne1 Nf6) 12... Bg6 13. Nh4 Nxe4 14. Nxe4 Bxe4 15. Rhg1?? { (-2.62 → -9.28) Blunder. Bf3 was best. } (15. Bf3 Bxf3 16. Nxf3 Qd7 17. Kb1 Qe6 18. Rhg1 Rcd8 19. Qd5 Nb4 20. Qb3 Qxb3 21. axb3 Nc6) 15... Bxh4 16. f3 Bg6 17. f4 exf4 18. Bxf4 Nb4 19. Qxb4 Rxc2+ 20. Kb1 Rc4+ 21. Ka1 Rxb4 22. Bxd6 Rb6 23. Bc7 Qxc7 24. Rc1?! { (-24.24 → Mate in 5) Checkmate is now unavoidable. Rg2 was best. } (24. Rg2 Be4) 24... Bf6 25. Rxc7 Bxb2# { Black wins by checkmate. } 0-1