[Event "14th RECTOR CUP USK 2023"] [Site "https://lichess.org/LRcruUlV"] [Date "2023.11.08"] [White "Czh_Chess"] [Black "NatanaelPutra"] [Result "0-1"] [UTCDate "2023.11.08"] [UTCTime "14:54:48"] [WhiteElo "1115"] [BlackElo "1240"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B50"] [Opening "Sicilian Defense: Modern Variations"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense: Modern Variations } 3. d3 Nc6 4. Be3 e5 5. Nc3 Nf6 6. Qd2?! { (0.00 → -0.65) Inaccuracy. g3 was best. } (6. g3 Be7 7. Bg2 O-O 8. O-O Nd4 9. Nd2 Bg4 10. Qc1 Be6) 6... Be7 7. O-O-O? { (-0.53 → -2.18) Mistake. g3 was best. } (7. g3 h6 8. Bg2 Be6 9. O-O Qd7 10. Rae1 O-O 11. Nh4 Ng4) 7... O-O 8. Nd5?! { (-1.52 → -2.61) Inaccuracy. h4 was best. } (8. h4 Rb8) 8... Nxd5 9. exd5 Nb4 10. a3 Nxd5 11. Qe2 Nxe3 12. Qxe3 b5 13. Qe4?! { (-3.12 → -4.02) Inaccuracy. g3 was best. } (13. g3 Rb8 14. Bg2 Be6 15. Kd2 Re8 16. Ke2 Bf6 17. Kf1 b4 18. axb4 Rxb4 19. b3 h6) 13... Rb8 14. d4 exd4 15. Bd3 g6 16. h4 b4 17. h5 bxa3 18. b3 Bf5 19. Qf4?! { (-4.09 → -5.36) Inaccuracy. Qc6 was best. } (19. Qc6 Rb6 20. Qa4 Bxd3 21. cxd3 d5 22. Ne5 Qc7 23. f4 c4 24. dxc4 dxc4 25. Qxc4 Qxc4+) 19... Bxd3 20. Rxd3 c4 21. Rxd4 cxb3 22. Qh4? { (-5.45 → -11.67) Mistake. cxb3 was best. } (22. cxb3 Rxb3 23. hxg6 fxg6 24. Qe4 Qc7+ 25. Kd1 a2 26. Qe6+ Rf7 27. Ke2 Rb2+ 28. Rd2 Qb7) 22... Bxh4 23. Rdxh4 b2+ 24. Kb1?! { (-16.09 → Mate in 4) Checkmate is now unavoidable. Kd2 was best. } (24. Kd2 a2 25. Rd4 Qa5+ 26. Ke3 b1=Q 27. Rxb1 axb1=Q 28. Kf4 Rb2 29. Kg3 Qxh5 30. c4 Qc5) 24... a2+ 25. Kxa2 Qa5+ 26. Kb1 Qa1# { Black wins by checkmate. } 0-1