[Event "609th PRIZE CHESSATHON"] [Site "https://lichess.org/YB34NX2r"] [Date "2021.09.24"] [White "DANphuongthao2011"] [Black "steepler"] [Result "0-1"] [UTCDate "2021.09.24"] [UTCTime "18:53:01"] [WhiteElo "1588"] [BlackElo "1582"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+51"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Nc3 d6 4. Bc4 e6 5. a3?! { (0.65 → 0.00) Inaccuracy. d4 was best. } (5. d4 cxd4 6. Nxd4 Nf6 7. Be3 d5 8. exd5 exd5 9. Bb3 Bb4) 5... g6?! { (0.00 → 0.76) Inaccuracy. Nf6 was best. } (5... Nf6 6. d4 cxd4 7. Nxd4 Be7 8. O-O Nxd4 9. Qxd4 O-O 10. Bb3) 6. Rb1? { (0.76 → -0.38) Mistake. d4 was best. } (6. d4 cxd4 7. Nxd4 Nf6 8. Bf4 e5 9. Nxc6 bxc6 10. Bg5 h6) 6... Bg7 7. b4 cxb4?! { (-0.34 → 0.39) Inaccuracy. b6 was best. } (7... b6 8. Ne2 Nge7 9. bxc5 bxc5 10. d3 O-O 11. O-O d5 12. Bb5 Rb8 13. exd5 Qxd5 14. Bf4) 8. axb4 a6 9. Bb2? { (0.64 → -0.94) Mistake. b5 was best. } (9. b5 axb5) 9... Nxb4?! { (-0.94 → -0.38) Inaccuracy. b5 was best. } (9... b5) 10. Ba3? { (-0.38 → -1.63) Mistake. O-O was best. } (10. O-O Nc6 11. d4 Nf6 12. Ba3 O-O 13. e5 Ne8 14. Bd3 b5 15. Ne4 b4 16. Bxb4 Nxb4) 10... Nc6 11. Ne2 b5 12. Ba2 Nf6 13. d4?? { (-3.12 → -7.99) Blunder. Bb2 was best. } (13. Bb2 O-O 14. Ng3 Qa5 15. Bb3 Qc7 16. O-O a5 17. c4 Ba6 18. cxb5 Bxb5 19. Re1 Bd3) 13... Nxe4? { (-7.99 → -3.83) Mistake. Qa5+ was best. } (13... Qa5+ 14. c3 Qxa3 15. Ra1 Qa5 16. h4 Qc7 17. h5 Nxe4 18. d5 Ne5 19. dxe6 fxe6 20. Nxe5) 14. c3?! { (-3.83 → -5.14) Inaccuracy. O-O was best. } (14. O-O) 14... O-O 15. O-O Qa5 16. Rb3 Bb7 17. Qd3?! { (-4.61 → -6.46) Inaccuracy. Bb1 was best. } (17. Bb1 Ne7) 17... Nf6 18. Nf4 Rfe8 19. Qd2 Qc7 20. Qd3 Rad8 21. Re1 e5 22. dxe5 dxe5 23. Nh3 Rxd3 24. Nhg5 { White offers draw } 24... h6 { White resigns. } 0-1