[Event "2 этап чемпионата - 2023"] [Site "https://lichess.org/VQV9DNyC"] [Date "2023.02.12"] [White "IvanT-79"] [Black "Mazitovkonstantin"] [Result "1-0"] [UTCDate "2023.02.12"] [UTCTime "11:03:39"] [WhiteElo "1039"] [BlackElo "925"] [WhiteRatingDiff "+58"] [BlackRatingDiff "-75"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nc6?! { (0.00 → 0.89) Inaccuracy. Nf6 was best. } { A40 Mikenas Defense } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. g3?! { (0.89 → 0.28) Inaccuracy. d5 was best. } (2. d5 Ne5 3. f4 Ng6 4. e4 e5 5. dxe6 dxe6 6. Qxd8+ Kxd8) 2... b6?! { (0.28 → 0.91) Inaccuracy. d5 was best. } (2... d5 3. Nf3 g6 4. Bg2 Nf6 5. O-O Bg7 6. c4 dxc4 7. Na3) 3. Nf3 Bb7 4. Nc3?! { (0.96 → 0.13) Inaccuracy. d5 was best. } (4. d5 Na5 5. e4 e6 6. c4 exd5 7. cxd5 Nf6 8. Nc3 Bb4) 4... Nf6?! { (0.13 → 1.03) Inaccuracy. d5 was best. } (4... d5 5. e4 dxe4 6. Nxe4 Nxd4 7. Qxd4 Qxd4 8. Nxd4 Bxe4 9. Bb5+ c6 10. Bxc6+ Bxc6 11. Nxc6) 5. Bg2?! { (1.03 → 0.09) Inaccuracy. d5 was best. } (5. d5 Nb8 6. e4 e6 7. a3 exd5 8. exd5 Bc5 9. b4 Bd6 10. Bh3 O-O 11. O-O Re8) 5... g6? { (0.09 → 1.73) Mistake. d5 was best. } (5... d5 6. O-O e6 7. Bf4 Bd6 8. Ne5 O-O 9. e4 Ne7 10. exd5) 6. O-O?! { (1.73 → 0.64) Inaccuracy. d5 was best. } (6. d5 Nb4) 6... Bg7?! { (0.64 → 1.64) Inaccuracy. d5 was best. } (6... d5 7. Qd3 Bg7 8. e4 dxe4 9. Nxe4 O-O 10. c3 Nxe4 11. Qxe4) 7. Ne5? { (1.64 → 0.12) Mistake. d5 was best. } (7. d5) 7... O-O?! { (0.12 → 0.74) Inaccuracy. d5 was best. } (7... d5 8. Nxc6 Bxc6 9. a4 a5 10. f3 O-O 11. e4 dxe4 12. fxe4 Ne8 13. d5 Bb7 14. Re1) 8. Be3? { (0.74 → -0.38) Mistake. Nxc6 was best. } (8. Nxc6 Bxc6 9. e4 e6 10. Re1 d6 11. a4 Qd7 12. a5 a6 13. e5 Nd5 14. Nxd5 Bxd5) 8... Ng4?? { (-0.38 → 5.86) Blunder. Na5 was best. } (8... Na5) 9. Nb5?? { (5.86 → -1.82) Blunder. Nxg4 was best. } (9. Nxg4) 9... Nxd4?? { (-1.82 → 2.34) Blunder. Nxe3 was best. } (9... Nxe3) 10. Bxb7? { (2.34 → 0.59) Mistake. Bxd4 was best. } (10. Bxd4 Bxg2) 10... Nxe3 11. fxe3 Nxb5 12. Bxa8?? { (0.45 → -1.89) Blunder. Nxd7 was best. } (12. Nxd7 Re8) 12... Qxa8?? { (-1.89 → 0.23) Blunder. Bxe5 was best. } (12... Bxe5) 13. Qxd7 Rd8?? { (0.47 → 5.51) Blunder. Qe4 was best. } (13... Qe4 14. Nc6) 14. Qxb5 a6 15. Qc4 b5? { (5.63 → 13.23) Mistake. Bxe5 was best. } (15... Bxe5 16. Qxf7+ Kh8 17. Rad1 Bd6 18. Rd4 Rg8 19. Rh4 Rg7 20. Qf8+ Qxf8 21. Rxf8+ Rg8 22. Rxg8+) 16. Qxc7 Bxe5 17. Qxe5 Rd7? { (8.59 → Mate in 10) Checkmate is now unavoidable. Re8 was best. } (17... Re8 18. Rad1) 18. Rad1? { (Mate in 10 → 8.87) Lost forced checkmate sequence. Rxf7 was best. } (18. Rxf7 Rd1+ 19. Rxd1 Kxf7 20. Rf1+ Ke8 21. Qh8+ Kd7 22. Qxa8 Kd6 23. Qd8+ Kc6 24. Qxe7 Kd5) 18... f6? { (8.87 → Mate in 7) Checkmate is now unavoidable. Ra7 was best. } (18... Ra7 19. Rd3) 19. Qe6+ Kf8 20. Rxd7 Qe8 21. Rfd1?! { (Mate in 6 → 18.07) Lost forced checkmate sequence. Rxf6+ was best. } (21. Rxf6+ Kg7 22. Rxe7+ Qxe7 23. Qxe7+ Kh6 24. Rf7 g5 25. Rxh7+ Kg6 26. Qf7#) 21... Kg7?! { (18.07 → Mate in 5) Checkmate is now unavoidable. Qf7 was best. } (21... Qf7 22. Qxf7+) 22. Rd8?! { (Mate in 5 → 16.88) Lost forced checkmate sequence. Rxe7+ was best. } (22. Rxe7+ Qxe7 23. Qxe7+ Kh6 24. Qxf6 a5 25. Rd5 a4 26. Qf8#) 22... Qf7 23. Qxa6 b4 24. R8d7 b3 25. axb3 f5 26. Qc4 e6?! { (17.55 → Mate in 4) Checkmate is now unavoidable. Qf6 was best. } (26... Qf6 27. Qd4) 27. Rxf7+ Kxf7 28. Rd7+ Kf6 29. Rxh7 Ke5 30. Qd4# { White wins by checkmate. } 1-0