[Event "catana Arena"]
[Site "http://chess-academy.net/nTWjTdBh"]
[Date "2020.06.25"]
[Round "-"]
[White "Arthur-Dan"]
[Black "catana"]
[Result "1-0"]
[UTCDate "2020.06.25"]
[UTCTime "15:17:59"]
[WhiteElo "1529"]
[BlackElo "1470"]
[WhiteRatingDiff "+84"]
[BlackRatingDiff "-84"]
[Variant "Standard"]
[TimeControl "120+0"]
[ECO "D20"]
[Opening "Queen's Gambit Accepted: Old Variation"]
[Termination "Normal"]
[Annotator "chess-academy.net"]

1. d4 { [%eval 0.15] [%clk 0:02:00] } 1... d5 { [%eval 0.53] [%clk 0:02:00] } 2. c4 { [%eval 0.26] [%clk 0:01:57] } 2... dxc4 { [%eval 0.63] [%clk 0:01:59] } 3. e3 { [%eval 0.42] [%clk 0:01:55] } { D20 Queen's Gambit Accepted: Old Variation } 3... Nf6 { [%eval 0.71] [%clk 0:01:57] } 4. Nc3?! { (0.71 → -0.01) Inaccuracy. Best move was Nf3. } { [%eval -0.01] [%clk 0:01:53] } (4. Nf3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. b3 Nbd7 10. Bb2 b5) 4... Bd7? { (-0.01 → 1.34) Mistake. Best move was e6. } { [%eval 1.34] [%clk 0:01:54] } (4... e6 5. Nf3 a6 6. a4 c5 7. Bxc4 Be7 8. O-O Nc6 9. Qe2 cxd4 10. exd4 O-O 11. Rd1) 5. Bxc4 { [%eval 0.78] [%clk 0:01:52] } 5... b5? { (0.78 → 2.31) Mistake. Best move was e6. } { [%eval 2.31] [%clk 0:01:47] } (5... e6 6. Nf3 Bb4 7. O-O O-O 8. Bd2 Nc6 9. a3 Bd6 10. h3 e5 11. Qc2 h6 12. Rfd1) 6. Nxb5 { [%eval 1.65] [%clk 0:01:43] } 6... Bxb5?! { (1.65 → 2.55) Inaccuracy. Best move was e6. } { [%eval 2.55] [%clk 0:01:45] } (6... e6 7. Nf3 Be7 8. O-O a6 9. Nc3 c5 10. dxc5 Bxc5 11. e4 Qc7 12. e5 Ng4 13. Qe2) 7. Bxb5+ { [%eval 2.36] [%clk 0:01:41] } 7... c6 { [%eval 2.7] [%clk 0:01:44] } 8. Bc4?! { (2.70 → 1.84) Inaccuracy. Best move was Ba4. } { [%eval 1.84] [%clk 0:01:39] } (8. Ba4 e6 9. Nf3 Bb4+ 10. Bd2 Bxd2+ 11. Nxd2 Qb6 12. O-O Qxb2 13. Nc4 Qb4 14. Qc2 O-O) 8... Ne4? { (1.84 → 3.08) Mistake. Best move was e6. } { [%eval 3.08] [%clk 0:01:41] } (8... e6) 9. Qb3?! { (3.08 → 2.28) Inaccuracy. Best move was Bd3. } { [%eval 2.28] [%clk 0:01:36] } (9. Bd3 Nf6) 9... Qa5+?! { (2.28 → 3.19) Inaccuracy. Best move was e6. } { [%eval 3.19] [%clk 0:01:37] } (9... e6 10. Nf3 Nd7 11. O-O Be7 12. Qc2 Nef6 13. e4 h6 14. Be3 O-O 15. a3 Rc8 16. b4) 10. Ke2 { [%eval 2.72] [%clk 0:01:30] } 10... Qf5?? { (2.72 → 5.98) Blunder. Best move was Nd6. } { [%eval 5.98] [%clk 0:01:29] } (10... Nd6 11. Bd3) 11. f3?? { (5.98 → 2.89) Blunder. Best move was Qb7. } { [%eval 2.89] [%clk 0:01:22] } (11. Qb7 Qxf2+) 11... Nd6 { [%eval 2.94] [%clk 0:01:17] } 12. Bd3 { [%eval 2.69] [%clk 0:01:17] } 12... Qe6? { (2.69 → 4.10) Mistake. Best move was Qd5. } { [%eval 4.1] [%clk 0:01:14] } (12... Qd5 13. Kf2 Qxb3 14. axb3 g6 15. Ne2 Bg7 16. Bd2 O-O 17. h4 Rd8 18. Rac1 e5 19. h5) 13. Qa4? { (4.10 → 2.47) Mistake. Best move was Qxe6. } { [%eval 2.47] [%clk 0:01:05] } (13. Qxe6) 13... g6?! { (2.47 → 3.21) Inaccuracy. Best move was Qd7. } { [%eval 3.21] [%clk 0:01:04] } (13... Qd7) 14. b3? { (3.21 → 1.74) Mistake. Best move was Kf2. } { [%eval 1.74] [%clk 0:01:04] } (14. Kf2) 14... Qf6? { (1.74 → 2.79) Mistake. Best move was Bg7. } { [%eval 2.79] [%clk 0:00:58] } (14... Bg7 15. Kf2) 15. Nh3 { [%eval 2.49] [%clk 0:00:55] } 15... Qg5?? { (2.49 → 16.35) Blunder. Best move was Bg7. } { [%eval 16.35] [%clk 0:00:55] } (15... Bg7 16. Bb2) 16. Nxg5 { [%eval 15.94] [%clk 0:00:53] } 16... f6 { [%eval 21.71] [%clk 0:00:53] } 17. Ne6 { [%eval 20.76] [%clk 0:00:52] } 17... Bg7 { [%eval 24.53] [%clk 0:00:48] } 18. Nc5 { [%eval 16.26] [%clk 0:00:50] } 18... Nc4 { [%eval 28.9] [%clk 0:00:43] } 19. Bxc4 { [%eval 27.88] [%clk 0:00:48] } 19... Kf8?! { (27.88 → Mate in 12) Checkmate is now unavoidable. Best move was a5. } { [%eval #12] [%clk 0:00:41] } (19... a5 20. Ne6) 20. Ne6+?! { (Mate in 12 → 35.30) Lost forced checkmate sequence. Best move was Qa5. } { [%eval 35.3] [%clk 0:00:46] } (20. Qa5 Na6 21. Qxa6 Bh6 22. Qb7 Re8 23. Qd7 Bf4 24. Qe6 Kg7 25. Qf7+ Kh6 26. Ne6 Reg8) 20... Ke8 { [%eval 39.14] [%clk 0:00:39] } 21. Bb5 { [%eval 26.58] [%clk 0:00:39] } 21... Kd7 { [%eval 32.77] [%clk 0:00:37] } 22. Bxc6+ { [%eval 30.57] [%clk 0:00:35] } 22... Kc8?! { (30.57 → Mate in 3) Checkmate is now unavoidable. Best move was Nxc6. } { [%eval #3] [%clk 0:00:35] } (22... Nxc6 23. Nxg7) 23. Qc4?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Bd7+. } { [%eval #3] [%clk 0:00:30] } (23. Bd7+ Nxd7 24. Qc6+ Kb8 25. Qc7#) 23... Nxc6 { [%eval #2] [%clk 0:00:33] } 24. Qxc6+ { [%eval #1] [%clk 0:00:28] } 24... Kb8 { [%eval #1] [%clk 0:00:31] } 25. Nc5?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qc7#. } { [%eval #1] [%clk 0:00:26] } (25. Qc7#) 25... a6 { [%eval #1] [%clk 0:00:26] } 26. Qb7# { [%clk 0:00:24] } { White wins by checkmate. } 1-0


