[Event "Weekly Chess960 Arena"] [Site "https://lichess.org/Gea279kE"] [Date "2022.05.22"] [White "VadimirUlaov"] [Black "Koukku"] [Result "0-1"] [UTCDate "2022.05.22"] [UTCTime "21:45:23"] [WhiteElo "1860"] [BlackElo "2140"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+2"] [BlackTitle "NM"] [Variant "Chess960"] [TimeControl "300+0"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "nnrbkqbr/pppppppp/8/8/8/8/PPPPPPPP/NNRBKQBR w KQkq - 0 1"] [SetUp "1"] [Annotator "lichess.org"] 1. c4 f5 2. b4?! { (-0.05 → -0.72) Inaccuracy. f4 was best. } (2. f4 Nb6) 2... e6? { (-0.72 → 0.51) Mistake. Nb6 was best. } (2... Nb6 3. f4 Qf6 4. Nc3 Bxc4 5. Nb3 Bxb3 6. Bxb3 Nc6 7. a3 e6 8. Qf3 a5 9. b5) 3. Nb3?! { (0.51 → -0.25) Inaccuracy. c5 was best. } (3. c5 Nc6) 3... Qxb4 4. Nc3? { (-0.30 → -1.85) Mistake. f4 was best. } (4. f4 Qe7 5. Qf3 Nc6 6. Nc3 Nb6 7. c5 Nc4 8. Bf2 Bf7 9. d3 N4a5 10. O-O O-O) 4... Bf6? { (-1.85 → -0.68) Mistake. Qxc4 was best. } (4... Qxc4 5. f4 Nc6 6. Qf3 Bf7 7. Bf2 Be7 8. d3 Qb4 9. O-O Nb6 10. e4 O-O 11. Kh1) 5. f4?! { (-0.68 → -1.41) Inaccuracy. e4 was best. } (5. e4) 5... Nb6? { (-1.41 → 0.04) Mistake. Qxc4 was best. } (5... Qxc4 6. Qf3 Nc6 7. Bf2 Bf7 8. O-O O-O 9. e4 Bd4 10. Nxd4 Nxd4 11. Qg3 c5 12. d3) 6. Bxb6?? { (0.04 → -1.87) Blunder. e4 was best. } (6. e4 Bxc3) 6... axb6 7. e3 Bf7 8. g4?? { (-2.24 → -4.98) Blunder. Qd3 was best. } (8. Qd3 Qe7 9. Bf3 Nc6 10. O-O O-O 11. Qb1 g5 12. e4 Bg6 13. e5 Bg7 14. d4 gxf4) 8... fxg4? { (-4.98 → -2.87) Mistake. Bh4+ was best. } (8... Bh4+) 9. Bxg4 O-O 10. Rg1?! { (-2.74 → -3.87) Inaccuracy. Qh3 was best. } (10. Qh3) 10... Bg6?! { (-3.87 → -2.96) Inaccuracy. Nc6 was best. } (10... Nc6) 11. Bf3 Nc6 12. Kd1? { (-3.07 → -4.94) Mistake. Be4 was best. } (12. Be4 Bxe4) 12... Ra8 13. e4? { (-5.18 → -10.52) Mistake. Rxg6 was best. } (13. Rxg6 hxg6) 13... Rxa2 14. Nxa2 Qxb3+ 15. Rc2 Nd4 16. Nb4 Nxc2 17. Nxc2 Qb1+ 18. Ke2 Qxc2 19. Ke3 Bd4+ 20. Kxd4?! { (-16.47 → Mate in 3) Checkmate is now unavoidable. Ke2 was best. } (20. Ke2 Bxe4) 20... Qxd2+ 21. Qd3 c5+ 22. Ke5 Qxf4# { Black wins by checkmate. } 0-1