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[Event "Rated Blitz tournament https://lichess.org/tournament/vRh1rCwd"] [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 Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } (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. } (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. } (2... e5 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. e5 Ng4?! { (0.68 → 1.52) Inaccuracy. Best move was Nd5. } { 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 Nb4? { (0.94 → 2.40) Mistake. Best move was d6. } (4... d6) 5. c3 Na6 6. h3?! { (2.82 → 2.02) Inaccuracy. Best move was Bg5. } (6. Bg5) 6... Nh6 7. Bxa6? { (2.66 → 1.36) Mistake. Best move was Bxh6. } (7. Bxh6) 7... bxa6 8. Bxh6 gxh6 9. Qd3?! { (1.88 → 1.27) Inaccuracy. Best move was Nbd2. } (9. Nbd2 Bg7) 9... f6? { (1.27 → 2.76) Mistake. Best move was d6. } (9... d6 10. Nbd2) 10. exf6 exf6 11. O-O Bd6?? { (2.56 → 8.18) Blunder. Best move was d5. } (11... d5 12. Re1+ Kf7 13. Nh4 Rg8 14. Nd2 Kg7 15. Nf1 Kh8 16. Ng3 Rb8 17. Re2 Bd7 18. Qf3) 12. Qe4+ Be7 13. Qxa8 O-O 14. Qd5+ Rf7 15. Nbd2 f5? { (8.22 → 13.37) Mistake. Best move was c6. } (15... c6 16. Qh5) 16. Ne5 c6 17. Qxf7+ Kh8 18. Qxf5 Qf8 19. Qh5 Qf6 20. Ndf3 d6 21. Ng4 Qg6 22. Qxg6 hxg6 23. Rfe1 h5?! { (17.86 → Mate in 7) Checkmate is now unavoidable. Best move was Bf8. } (23... Bf8 24. Re8 Bxg4 25. Rxf8+ Kg7 26. Ra8 Bf5 27. Rxa7+ Kf6 28. Rxa6 Bd3 29. Rxc6 Ke6 30. Rc7) 24. Rxe7 hxg4 25. Ng5 gxh3 26. Re8+ Kg7 27. Rxc8 hxg2?! { (66.34 → Mate in 6) Checkmate is now unavoidable. Best move was h2+. } (27... h2+ 28. Kxh2) 28. Kxg2 c5 29. dxc5?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Rc7+. } (29. Rc7+ Kf6 30. f4 Kf5 31. Kg3 c4 32. Rf7#) 29... dxc5 30. f4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rc7+. } (30. Rc7+ Kh6 31. f4 Kh5 32. Kf3 a5 33. Rh1#) 30... a5 31. Rh1 Kf6 32. Rh7 Kf5 33. Kf3 Kf6 34. Rf7# { White wins by checkmate. } 1-0