[Event "Do WW Arena"] [Site "https://lichess.org/bOPv9gpo"] [Date "2020.04.23"] [White "ichi_47"] [Black "RBergmann"] [Result "0-1"] [UTCDate "2020.04.23"] [UTCTime "18:22:29"] [WhiteElo "1390"] [BlackElo "1857"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "240+2"] [ECO "A36"] [Opening "English Opening: Symmetrical Variation, Ultra-Symmetrical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 { A36 English Opening: Symmetrical Variation, Ultra-Symmetrical Variation } 5. d3 d6 6. Rb1 e5?! { (0.14 → 0.73) Inaccuracy. e6 was best. } (6... e6 7. Nf3) 7. e4 Nge7 8. Nf3 O-O 9. O-O Nd4 10. Nxd4 cxd4 11. Nb5 a6 12. Na3 Rb8 13. b4?! { (-0.26 → -0.89) Inaccuracy. Nc2 was best. } (13. Nc2 b5 14. cxb5 Rxb5 15. Na3 Rb8 16. Nc4 Be6 17. f4 exf4 18. Bxf4 Bxc4 19. dxc4 Nc6) 13... f5?! { (-0.89 → 0.10) Inaccuracy. b5 was best. } (13... b5 14. Bd2 Be6 15. Rc1 Qd7 16. Qe2 Bg4 17. Qe1 h6 18. Rc2 Kh7 19. f4 Be6 20. Qe2) 14. exf5 Bxf5 15. f4 Qd7 16. b5 axb5 17. cxb5?! { (0.00 → -1.07) Inaccuracy. fxe5 was best. } (17. fxe5 Bg4) 17... Kh8?! { (-1.07 → 0.02) Inaccuracy. Be6 was best. } (17... Be6 18. Nc4) 18. Nc4 Bg4 19. Qb3 Nf5? { (0.09 → 1.61) Mistake. g5 was best. } (19... g5 20. fxg5) 20. fxe5 dxe5 21. h3?? { (1.52 → -5.99) Blunder. a4 was best. } (21. a4 Rfe8) 21... Nxg3 22. Rxf8+?! { (-6.23 → -9.04) Inaccuracy. Ba3 was best. } (22. Ba3 Rxf1+) 22... Rxf8 23. hxg4? { (-8.45 → Mate in 5) Checkmate is now unavoidable. Rb2 was best. } (23. Rb2 Bxh3) 23... Qxg4? { (Mate in 5 → -8.07) Lost forced checkmate sequence. Ne2+ was best. } (23... Ne2+ 24. Kh1 Qxg4 25. Bf4 Rxf4 26. Kh2 Rf2 27. Kh1 Qxg2#) 24. Nd6? { (-8.07 → Mate in 4) Checkmate is now unavoidable. Rb2 was best. } (24. Rb2 Ne2+) 24... Ne2+ 25. Kh1 Rf1+ 26. Bxf1 Qg1# { Black wins by checkmate. } 0-1