[Event "Ariadna Arena"]
[Site "http://chess-academy.net/064Bfwak"]
[Date "2025.02.22"]
[Round "-"]
[White "Sliv"]
[Black "Katherina"]
[Result "1-0"]
[UTCDate "2025.02.22"]
[UTCTime "12:33:41"]
[WhiteElo "1500"]
[BlackElo "1194"]
[WhiteRatingDiff "+75"]
[BlackRatingDiff "-27"]
[Variant "Standard"]
[TimeControl "420+0"]
[ECO "B00"]
[Opening "Nimzowitsch Defense: El Columpio Defense"]
[Termination "Normal"]
[Annotator "chess-academy.net"]

1. e4 { [%eval 0.12] [%clk 0:07:00] } 1... Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } { [%eval 0.72] [%clk 0:07:00] } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Nf3?! { (0.72 → 0.21) Inaccuracy. Best move was d4. } { [%eval 0.21] [%clk 0:06:57] } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... Nf6?! { (0.21 → 1.16) Inaccuracy. Best move was e5. } { [%eval 1.16] [%clk 0:06:57] } (2... e5 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. e5 { [%eval 0.68] [%clk 0:06:55] } 3... Ng4?! { (0.68 → 1.52) Inaccuracy. Best move was Nd5. } { [%eval 1.52] [%clk 0:06:49] } { B00 Nimzowitsch Defense: El Columpio Defense } (3... Nd5 4. d4 d6 5. Bb5 e6 6. c4 Nb6 7. Nc3 Bd7 8. O-O) 4. d4 { [%eval 0.94] [%clk 0:06:52] } 4... Nb4? { (0.94 → 2.40) Mistake. Best move was d6. } { [%eval 2.4] [%clk 0:06:41] } (4... d6) 5. c3 { [%eval 2.36] [%clk 0:06:49] } 5... Na6 { [%eval 2.82] [%clk 0:06:36] } 6. h3?! { (2.82 → 2.02) Inaccuracy. Best move was Bg5. } { [%eval 2.02] [%clk 0:06:43] } (6. Bg5) 6... Nh6 { [%eval 2.66] [%clk 0:06:32] } 7. Bxa6? { (2.66 → 1.36) Mistake. Best move was Bxh6. } { [%eval 1.36] [%clk 0:06:42] } (7. Bxh6) 7... bxa6 { [%eval 1.88] [%clk 0:06:28] } 8. Bxh6 { [%eval 1.48] [%clk 0:06:41] } 8... gxh6 { [%eval 1.88] [%clk 0:06:25] } 9. Qd3?! { (1.88 → 1.27) Inaccuracy. Best move was Nbd2. } { [%eval 1.27] [%clk 0:06:40] } (9. Nbd2 Bg7) 9... f6? { (1.27 → 2.76) Mistake. Best move was d6. } { [%eval 2.76] [%clk 0:06:18] } (9... d6 10. Nbd2) 10. exf6 { [%eval 2.45] [%clk 0:06:39] } 10... exf6 { [%eval 2.76] [%clk 0:06:15] } 11. O-O { [%eval 2.56] [%clk 0:06:37] } 11... Bd6?? { (2.56 → 8.18) Blunder. Best move was d5. } { [%eval 8.18] [%clk 0:06:05] } (11... d5 12. Re1+ Kf7 13. Nh4 Rg8 14. Nd2 Kg7 15. Nf1 Kh8 16. Ng3 Rb8 17. Re2 Bd7 18. Qf3) 12. Qe4+ { [%eval 7.97] [%clk 0:06:35] } 12... Be7 { [%eval 7.98] [%clk 0:05:53] } 13. Qxa8 { [%eval 7.98] [%clk 0:06:33] } 13... O-O { [%eval 8.16] [%clk 0:05:48] } 14. Qd5+ { [%eval 7.97] [%clk 0:06:30] } 14... Rf7 { [%eval 8.28] [%clk 0:05:42] } 15. Nbd2 { [%eval 8.22] [%clk 0:06:29] } 15... f5? { (8.22 → 13.37) Mistake. Best move was c6. } { [%eval 13.37] [%clk 0:05:37] } (15... c6 16. Qh5) 16. Ne5 { [%eval 12.3] [%clk 0:06:26] } 16... c6 { [%eval 21.44] [%clk 0:05:20] } 17. Qxf7+ { [%eval 21.15] [%clk 0:06:24] } 17... Kh8 { [%eval 20.74] [%clk 0:05:10] } 18. Qxf5 { [%eval 16.8] [%clk 0:06:24] } 18... Qf8 { [%eval 17.72] [%clk 0:04:47] } 19. Qh5 { [%eval 17.29] [%clk 0:06:21] } 19... Qf6 { [%eval 21.52] [%clk 0:04:36] } 20. Ndf3 { [%eval 17.66] [%clk 0:06:19] } 20... d6 { [%eval 17.6] [%clk 0:04:16] } 21. Ng4 { [%eval 16.97] [%clk 0:06:17] } 21... Qg6 { [%eval 19.4] [%clk 0:04:04] } 22. Qxg6 { [%eval 18.92] [%clk 0:06:09] } 22... hxg6 { [%eval 18.35] [%clk 0:04:02] } 23. Rfe1 { [%eval 17.86] [%clk 0:06:06] } 23... h5?! { (17.86 → Mate in 7) Checkmate is now unavoidable. Best move was Bf8. } { [%eval #7] [%clk 0:03:23] } (23... Bf8 24. Re8 Bxg4 25. Rxf8+ Kg7 26. Ra8 Bf5 27. Rxa7+ Kf6 28. Rxa6 Bd3 29. Rxc6 Ke6 30. Rc7) 24. Rxe7 { [%eval #6] [%clk 0:06:05] } 24... hxg4 { [%eval #6] [%clk 0:03:22] } 25. Ng5 { [%eval #6] [%clk 0:06:04] } 25... gxh3 { [%eval #6] [%clk 0:03:15] } 26. Re8+ { [%eval #23] [%clk 0:06:02] } 26... Kg7 { [%eval 70.77] [%clk 0:03:06] } 27. Rxc8 { [%eval 66.34] [%clk 0:06:02] } 27... hxg2?! { (66.34 → Mate in 6) Checkmate is now unavoidable. Best move was h2+. } { [%eval #6] [%clk 0:03:03] } (27... h2+ 28. Kxh2) 28. Kxg2 { [%eval #5] [%clk 0:06:00] } 28... c5 { [%eval #4] [%clk 0:02:49] } 29. dxc5?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Rc7+. } { [%eval #5] [%clk 0:05:58] } (29. Rc7+ Kf6 30. f4 Kf5 31. Kg3 c4 32. Rf7#) 29... dxc5 { [%eval #4] [%clk 0:02:48] } 30. f4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rc7+. } { [%eval #4] [%clk 0:05:57] } (30. Rc7+ Kh6 31. f4 Kh5 32. Kf3 a5 33. Rh1#) 30... a5 { [%eval #4] [%clk 0:02:37] } 31. Rh1 { [%eval #3] [%clk 0:05:57] } 31... Kf6 { [%eval #3] [%clk 0:02:31] } 32. Rh7 { [%eval #2] [%clk 0:05:54] } 32... Kf5 { [%eval #2] [%clk 0:02:27] } 33. Kf3 { [%eval #1] [%clk 0:05:50] } 33... Kf6 { [%eval #1] [%clk 0:02:15] } 34. Rf7# { [%clk 0:05:50] } { White wins by checkmate. } 1-0


