[Event "Ariadna Arena"]
[Site "http://chess-academy.net/1kfbui4s"]
[Date "2025.02.22"]
[Round "-"]
[White "Sliv"]
[Black "Katherina"]
[Result "1-0"]
[UTCDate "2025.02.22"]
[UTCTime "09:33:17"]
[WhiteElo "1904"]
[BlackElo "1500"]
[WhiteRatingDiff "+19"]
[BlackRatingDiff "-55"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B04"]
[Opening "Alekhine Defense: Modern Variation, Larsen-Haakert Variation"]
[Termination "Normal"]
[Annotator "chess-academy.net"]

1. e4 { [%eval 0.12] [%clk 0:03:30] } 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 0:03:29] } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... Nf6? { (0.21 → 1.22) Mistake. Best move was e5. } { [%eval 1.22] [%clk 0:07:00] } (2... e5 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. e5 { [%eval 0.68] [%clk 0:03:28] } 3... Nd5 { [%eval 1.25] [%clk 0:06:58] } 4. d4 { [%eval 0.63] [%clk 0:03:27] } 4... d6?! { (0.63 → 1.17) Inaccuracy. Best move was e6. } { [%eval 1.17] [%clk 0:06:56] } { B04 Alekhine Defense: Modern Variation, Larsen-Haakert Variation } (4... e6) 5. c4?! { (1.17 → 0.48) Inaccuracy. Best move was Bb5. } { [%eval 0.48] [%clk 0:03:26] } (5. Bb5 a6) 5... Ndb4? { (0.48 → 2.94) Mistake. Best move was Nb6. } { [%eval 2.94] [%clk 0:06:53] } (5... Nb6 6. exd6 exd6 7. Be2 Be7 8. Nc3 O-O 9. O-O Bf6 10. h3 Bf5 11. Bd3 Bg6 12. Re1) 6. a3?! { (2.94 → 2.25) Inaccuracy. Best move was e6. } { [%eval 2.25] [%clk 0:03:24] } (6. e6 Bxe6 7. a3 a5 8. axb4 Nxb4 9. Bd3 g6 10. Nc3 Bg7 11. O-O O-O 12. Re1 Nxd3) 6... Na6 { [%eval 2.74] [%clk 0:06:48] } 7. b4?! { (2.74 → 1.75) Inaccuracy. Best move was e6. } { [%eval 1.75] [%clk 0:03:22] } (7. e6 fxe6 8. b4 g6 9. b5 Nxd4 10. Qxd4 e5 11. Qb2 Nc5 12. Be3 Bg7 13. Bxc5 O-O) 7... Bg4? { (1.75 → 3.70) Mistake. Best move was dxe5. } { [%eval 3.7] [%clk 0:06:43] } (7... dxe5 8. d5) 8. b5 { [%eval 3.4] [%clk 0:03:18] } 8... Nab8?! { (3.40 → 4.21) Inaccuracy. Best move was dxe5. } { [%eval 4.21] [%clk 0:06:33] } (8... dxe5 9. bxc6 b6 10. d5 e6 11. Nc3 Bd6 12. Be2 exd5 13. cxd5 Bxf3 14. Bxf3 Nc5 15. Qc2) 9. bxc6 { [%eval 3.82] [%clk 0:03:16] } 9... bxc6? { (3.82 → 4.89) Mistake. Best move was Nxc6. } { [%eval 4.89] [%clk 0:06:33] } (9... Nxc6 10. e6) 10. Be2?! { (4.89 → 4.12) Inaccuracy. Best move was h3. } { [%eval 4.12] [%clk 0:03:11] } (10. h3 Bxf3 11. Qxf3 g6 12. Nc3 Bg7 13. Bf4 O-O 14. Rd1 dxe5 15. Bxe5 Bxe5 16. dxe5 Qc8) 10... Bxf3? { (4.12 → 5.72) Mistake. Best move was g6. } { [%eval 5.72] [%clk 0:06:29] } (10... g6) 11. Bxf3 { [%eval 5.33] [%clk 0:03:11] } 11... dxe5?! { (5.33 → 5.95) Inaccuracy. Best move was g6. } { [%eval 5.95] [%clk 0:06:22] } (11... g6) 12. dxe5?! { (5.95 → 5.13) Inaccuracy. Best move was Qa4. } { [%eval 5.13] [%clk 0:03:09] } (12. Qa4 Qd6) 12... Qxd1+ { [%eval 5.35] [%clk 0:06:21] } 13. Kxd1 { [%eval 4.91] [%clk 0:03:09] } 13... Na6?? { (4.91 → 12.55) Blunder. Best move was Nd7. } { [%eval 12.55] [%clk 0:06:16] } (13... Nd7 14. e6 Ne5 15. Be2 h5 16. Kc2 fxe6 17. Nd2 Nf7 18. Bb2 e5 19. Bf3 O-O-O 20. Nb3) 14. Bxc6+ { [%eval 12.1] [%clk 0:03:08] } 14... Kd8 { [%eval 12.45] [%clk 0:06:05] } 15. Bxa8 { [%eval 12.13] [%clk 0:03:08] } 15... Kc8 { [%eval 12.96] [%clk 0:06:03] } 16. Kc2 { [%eval 12.46] [%clk 0:03:05] } 16... Kb8 { [%eval 14.35] [%clk 0:06:01] } 17. Bc6 { [%eval 13.57] [%clk 0:03:04] } 17... f6 { [%eval 19.94] [%clk 0:05:53] } 18. Rd1 { [%eval 19.56] [%clk 0:03:02] } 18... Kc8 { [%eval 19.12] [%clk 0:05:42] } 19. e6 { [%eval 18.79] [%clk 0:03:00] } 19... g5?! { (18.79 → Mate in 9) Checkmate is now unavoidable. Best move was Nb8. } { [%eval #9] [%clk 0:05:30] } (19... Nb8 20. Bd7+ Nxd7 21. exd7+ Kd8 22. Nc3 e6 23. Rb1 Bd6 24. Rb8+ Kxd7 25. Rxh8 Ke7 26. Rxh7) 20. Nc3 { [%eval #8] [%clk 0:02:58] } 20... g4 { [%eval #5] [%clk 0:05:26] } 21. Be3?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Bd7+. } { [%eval #7] [%clk 0:02:57] } (21. Bd7+ Kb7 22. Rb1+ Nb4+ 23. Rxb4+ Ka6 24. Bc8+ Ka5 25. Rb5#) 21... Kb8 { [%eval #1] [%clk 0:05:20] } 22. Nb5?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Rd8#. } { [%eval #5] [%clk 0:02:55] } (22. Rd8#) 22... Bg7 { [%eval #5] [%clk 0:05:09] } 23. Rab1 { [%eval #4] [%clk 0:02:49] } 23... Bf8 { [%eval #1] [%clk 0:04:59] } 24. Nxa7+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Rd8#. } { [%eval #1] [%clk 0:02:47] } (24. Rd8#) 24... Nb4+ { [%eval #1] [%clk 0:04:27] } 25. Rxb4# { [%clk 0:02:47] } { White wins by checkmate. } 1-0


