[Event "Weekly Three-check Arena"] [Site "https://live.chess-online.com/4KkB6p3D"] [Date "2021.02.22"] [White "serg652008"] [Black "makarov_i21"] [Result "0-1"] [UTCDate "2021.02.22"] [UTCTime "17:24:22"] [WhiteElo "1583"] [BlackElo "1716"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+21"] [Variant "Three-check"] [TimeControl "180+2"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "live.chess-online.com"] 1. Nf3 Nc6?? { (1.20 → 3.45) Blunder. e5 was best. } { A04 Zukertort Opening: Black Mustang Defense } (1... e5 2. e4) 2. Nc3 Nb4?? { (0.80 → 4.92) Blunder. e5 was best. } (2... e5 3. e4) 3. e3? { (4.92 → 2.71) Mistake. e4 was best. } (3. e4) 3... c6 4. Be2 Nxc2+? { (2.65 → 4.96) Mistake. Nd3+ was best. } (4... Nd3+ 5. cxd3 d5 6. d4 g6 7. e4 Nf6 8. d3 Bg7 9. O-O O-O 10. e5 Ng4 11. h3) 5. Qxc2 Nf6?? { (3.75 → 14.33) Blunder. d5 was best. } (5... d5 6. Ne5) 6. Ne5 d5?! { (10.74 → Mate in 9) Checkmate is now unavoidable. g6 was best. } (6... g6 7. Nxf7 Qa5 8. Bd3 Bg7 9. Nd6+ Kf8 10. Qb3 Nd5 11. Nde4 Bh6 12. O-O d6 13. f4) 7. O-O?? { (Mate in 9 → 2.91) Lost forced checkmate sequence. Nb5 was best. } (7. Nb5 g6 8. Nxc6 Bd7 9. Nxd8 Bxb5 10. Bxb5+ Kxd8 11. b3 e5 12. Ba3 Bc5 13. Bxc5 d4) 7... g6 8. b4?? { (2.50 → 0.20) Blunder. d4 was best. } (8. d4 Bg7) 8... Bg7 9. b5 Bf5? { (-0.13 → 1.10) Mistake. c5 was best. } (9... c5 10. f4 O-O 11. Ba3 Bf5 12. Bd3 d4 13. Ne4 Nxe4 14. Bxe4 Bxe4 15. Qxe4 dxe3 16. dxe3) 10. Qa4 Nd7?? { (0.43 → 6.34) Blunder. O-O was best. } (10... O-O 11. Qf4) 11. Nf3?? { (6.34 → -0.54) Blunder. bxc6 was best. } (11. bxc6) 11... Nb6?? { (-0.54 → 2.54) Blunder. O-O was best. } (11... O-O 12. Qh4) 12. Qb4?? { (2.54 → 0.75) Blunder. Qh4 was best. } (12. Qh4) 12... O-O 13. Bb2?? { (1.02 → -0.74) Blunder. bxc6 was best. } (13. bxc6 bxc6 14. Qf4 Re8 15. Qg3 Rc8 16. d4 Qd6 17. Qxd6 exd6 18. Ba3 Rcd8 19. Rae1 Nc4) 13... a5?? { (-0.74 → 1.97) Blunder. e5 was best. } (13... e5) 14. bxa6?! { (1.97 → 1.06) Inaccuracy. Qf4 was best. } (14. Qf4 Re8 15. d4 Qd6 16. Rac1 Rad8 17. Rfd1 Qb4 18. Ba1 Qd6 19. Qxd6 exd6 20. Nd2 Rc8) 14... Rxa6?? { (1.06 → 3.35) Blunder. e5 was best. } (14... e5 15. axb7 Rb8 16. a4 d4 17. a5 dxc3 18. Qxc3 Nd5 19. Qxc6 Nb4 20. Qc5 Bd3 21. a6) 15. a4?? { (3.35 → 0.00) Blunder. Bxa6 was best. } (15. Bxa6 bxa6 16. Na4 Bxb2 17. Nxb2 Nd7 18. d3 c5 19. Qf4 Qb8 20. Rfb1 Qxf4 21. exf4 Nf6) 15... Qc7?? { (0.00 → 4.01) Blunder. e5 was best. } (15... e5 16. Qh4 Bf6 17. Qh6 Ra5 18. d3 Bg7 19. Qh4 Bf6) 16. a5 Nc4 17. Bxc4?? { (4.17 → 1.86) Blunder. Nxd5 was best. } (17. Nxd5 cxd5 18. Bxg7 Re8 19. d3 Qd6 20. Qxd6 Rxd6 21. Bc3 d4 22. exd4 Re6 23. Rfe1 Nd6) 17... dxc4 18. Qxc4 b5?? { (2.38 → 9.90) Blunder. Qd8 was best. } (18... Qd8 19. Qb4) 19. axb6 Rxb6 20. Ra2?? { (8.13 → -1.57) Blunder. Nd5 was best. } (20. Nd5) 20... Bg4?? { (-1.57 → Mate in 6) Checkmate is now unavoidable. Qb8 was best. } (20... Qb8) 21. Nd4?? { (Mate in 6 → Mate in 2) Lost forced checkmate sequence. Qxf7+ was best. } (21. Qxf7+ Kxf7 22. Ng5+ Kg8 23. f4 Qe5 24. Nce4 Qxe4 25. Nxe4 Bxb2 26. Nf6+) 21... Qxh2+ 22. Kxh2 Be5+ { Game ends by variant rule. } 0-1