[Event "HSE SPb Arena"] [Site "https://lichess.org/O7AdDHxA"] [Date "2023.11.10"] [Round "-"] [White "aleksakitty"] [Black "koklev"] [Result "1-0"] [GameId "O7AdDHxA"] [UTCDate "2023.11.10"] [UTCTime "15:49:45"] [WhiteElo "1271"] [BlackElo "1346"] [WhiteRatingDiff "+108"] [BlackRatingDiff "-87"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.0] } 1... e6 { [%eval 0.33] } { A40 Horwitz Defense } 2. c3 { [%eval 0.0] } 2... f5 { [%eval 0.47] } 3. f4?! { (0.47 → -0.40) Inaccuracy. Nf3 was best. } { [%eval -0.4] } (3. Nf3 Nf6 4. Bf4 Nc6 5. Nbd2 Qe7 6. Qc2 d6 7. e4 e5) 3... g6 { [%eval -0.2] } 4. Nh3 { [%eval -0.46] } 4... Nf6 { [%eval -0.28] } 5. e3 { [%eval -0.31] } 5... Ng4?! { (-0.31 → 0.34) Inaccuracy. b6 was best. } { [%eval 0.34] } (5... b6 6. Be2) 6. Be2?! { (0.34 → -0.36) Inaccuracy. e4 was best. } { [%eval -0.36] } (6. e4 c5) 6... Nxe3?? { (-0.36 → 4.56) Blunder. Qh4+ was best. } { [%eval 4.56] } (6... Qh4+ 7. Kf1 b6 8. Bd2 Bb7 9. Kg1 h5 10. a4 Nc6 11. Bf3 Bh6 12. b4 Nd8 13. Bxb7) 7. Qd3?? { (4.56 → -1.58) Blunder. Bxe3 was best. } { [%eval -1.58] } (7. Bxe3 Bg7 8. O-O d6 9. Bc4 h6 10. Re1 O-O 11. Bf2 Re8 12. Nd2 Kh7 13. Nf3 Bf6) 7... Nxg2+ { [%eval -1.48] } 8. Kd2 { [%eval -1.84] } 8... Nxf4?? { (-1.84 → 1.21) Blunder. Nh4 was best. } { [%eval 1.21] } (8... Nh4 9. Qg3 Qf6 10. Rg1 b6 11. Ng5 h6 12. Nf3 Nxf3+ 13. Bxf3 Nc6 14. Kc2 Bb7 15. Be3) 9. Nxf4 { [%eval 1.18] } 9... g5?? { (1.18 → 4.11) Blunder. d6 was best. } { [%eval 4.11] } (9... d6 10. Qh3 e5 11. Nxg6 f4 12. Qh5 hxg6 13. Qxh8 Bf5 14. Rg1 Qd7 15. Kd1 Na6 16. Bxf4) 10. Nh5?? { (4.11 → 1.90) Blunder. Bh5+ was best. } { [%eval 1.9] } (10. Bh5+ Ke7 11. Nd5+ Kd6 12. c4 Kc6 13. Bf3 a6 14. Qb3 b5 15. Ne7+ Kb6 16. Nxc8+ Qxc8) 10... g4 { [%eval 2.27] } 11. Na3?? { (2.27 → -0.86) Blunder. Kc2 was best. } { [%eval -0.86] } (11. Kc2 Qh4 12. Ng3 Nc6 13. Bf4 d6 14. h3 gxh3 15. Qe3 Ne7 16. Bh5+ Ng6 17. Bg5 f4) 11... Qg5+ { [%eval -0.73] } 12. Kc2 { [%eval -0.87] } 12... Qxh5 { [%eval -0.85] } 13. Qd1? { (-0.85 → -2.66) Mistake. Nb5 was best. } { [%eval -2.66] } (13. Nb5) 13... Bxa3 { [%eval -2.83] } 14. bxa3 { [%eval -2.98] } 14... a5?? { (-2.98 → 0.41) Blunder. b6 was best. } { [%eval 0.41] } (14... b6 15. d5 Bb7 16. dxe6 dxe6 17. Bb5+ Nc6 18. Re1 O-O 19. Bf4 Rae8 20. Kb2 e5 21. Qb3+) 15. c4?? { (0.41 → -2.44) Blunder. h3 was best. } { [%eval -2.44] } (15. h3 Qf7) 15... f4?? { (-2.44 → 0.17) Blunder. Qh4 was best. } { [%eval 0.17] } (15... Qh4 16. Bf4 d6 17. Qd2 Qf6 18. Bg5 Qg6 19. Kb2 Nc6 20. h3 Qg7 21. Rad1 h6 22. Bh4) 16. Bxg4 { [%eval 0.21] } 16... Qxg4?? { (0.21 → 6.84) Blunder. Qg6+ was best. } { [%eval 6.84] } (16... Qg6+ 17. Kb2) 17. Qxg4 { [%eval 6.84] } 17... Rg8?? { (6.84 → Mate in 6) Checkmate is now unavoidable. d6 was best. } { [%eval #6] } (17... d6 18. Qh5+ Kd8 19. Qh4+ Kd7 20. Qf6 Re8 21. Bxf4 Nc6 22. Rhg1 Ne7 23. Rg7 Kc6 24. Rxe7) 18. Qxf4? { (Mate in 6 → 7.49) Lost forced checkmate sequence. Qxg8+ was best. } { [%eval 7.49] } (18. Qxg8+ Ke7 19. Rg1 Na6 20. Bxf4 Nb4+ 21. axb4 axb4 22. Rg7+ Kf6 23. Rf7#) 18... Rf8 { [%eval 7.11] } 19. Qxc7 { [%eval 6.98] } 19... Rf2+ { [%eval 7.29] } 20. Kb1 { [%eval 7.2] } 20... Na6 { [%eval 8.02] } 21. Qxa5 { [%eval 7.14] } 21... d6 { [%eval 8.15] } 22. Qc3?! { (8.15 → 5.63) Inaccuracy. Qh5+ was best. } { [%eval 5.63] } (22. Qh5+ Kd7 23. Qxh7+ Kc6 24. Be3 Rf6 25. d5+ exd5 26. cxd5+ Kxd5 27. Qd3+ Ke6 28. Kb2 Rf5) 22... h5 { [%eval 7.17] } 23. d5 { [%eval 5.93] } 23... exd5?! { (5.93 → 8.84) Inaccuracy. e5 was best. } { [%eval 8.84] } (23... e5 24. Be3 Bf5+ 25. Kc1 Rf3 26. Qe1 Be4 27. Rf1 Rh3 28. Qf2 O-O-O 29. Rb1 Rf3 30. Qxf3) 24. cxd5?? { (8.84 → Mate in 9) Checkmate is now unavoidable. Qe3+ was best. } { [%eval #-9] } (24. Qe3+ Kd8 25. Qxf2 Kc7 26. Qf7+ Kb8 27. Bf4 Ka7 28. Rd1 dxc4 29. Rxd6 Rb8 30. Be3+ Ka8) 24... Nc7?? { (Mate in 9 → 11.47) Lost forced checkmate sequence. Bf5+ was best. } { [%eval 11.47] } (24... Bf5+ 25. Qc2 Rxc2 26. Bd2 Rac8 27. Re1+ Kd7 28. Rf1 Rc1+ 29. Kb2 R8c2+ 30. Kb3 Nc5+ 31. Kb4) 25. Be3? { (11.47 → 5.28) Mistake. Qh8+ was best. } { [%eval 5.28] } (25. Qh8+ Kf7 26. Qxh5+ Kf6 27. Qh4+ Ke5 28. Re1+ Kxd5 29. Qe4+ Kc5 30. Be3+ Kb5 31. Qb4+ Kc6) 25... Nxd5?! { (5.28 → 8.52) Inaccuracy. Bf5+ was best. } { [%eval 8.52] } (25... Bf5+ 26. Kc1 Nb5 27. Qh8+ Kf7 28. Qxh5+ Bg6 29. Qxg6+ Kxg6 30. Bxf2 Nxa3 31. Kd1 Nc4 32. Re1) 26. Qe1?? { (8.52 → -1.71) Blunder. Qh8+ was best. } { [%eval -1.71] } (26. Qh8+ Rf8 27. Qxh5+ Kd7 28. Qxd5 Rxa3 29. Qb5+ Kc7 30. Qb6+ Kd7 31. Rd1 Rf6 32. Bg5 Ra6) 26... Nxe3?? { (-1.71 → 7.93) Blunder. Bf5+ was best. } { [%eval 7.93] } (26... Bf5+ 27. Kc1 Rc2+ 28. Kd1 Nc3+ 29. Qxc3 Rxc3 30. Rf1 Bg4+ 31. Kd2 Rcxa3 32. Rf6 Rxa2+ 33. Rxa2) 27. Qxf2 { [%eval 6.48] } 27... Ng4 { [%eval 7.4] } 28. Qh4 { [%eval 6.38] } 28... Nf2 { [%eval 8.03] } 29. Qxf2 { [%eval 8.39] } 29... d5? { (8.39 → Mate in 5) Checkmate is now unavoidable. Ra6 was best. } { [%eval #5] } (29... Ra6 30. Kb2 Kd8 31. Rag1 Bg4 32. Rf1 Kc7 33. Qd4 Be6 34. Rf8 Rc6 35. Rg1 Rc4 36. Qd3) 30. Qh4? { (Mate in 5 → 8.84) Lost forced checkmate sequence. Re1+ was best. } { [%eval 8.84] } (30. Re1+ Kd8 31. Qb6+ Kd7 32. Qc5 Ra6 33. Re7+ Kd8 34. Qc7#) 30... b5? { (8.84 → Mate in 8) Checkmate is now unavoidable. Be6 was best. } { [%eval #8] } (30... Be6 31. Kb2 Kd7 32. Qb4 Rc8 33. Qxb7+ Rc7 34. Qb5+ Kc8 35. Rhf1 Bf7 36. Qa6+ Rb7+ 37. Qxb7+) 31. Kc1? { (Mate in 8 → 8.90) Lost forced checkmate sequence. Re1+ was best. } { [%eval 8.9] } (31. Re1+ Kf7 32. Qxh5+ Kf6 33. Qe5+ Kf7 34. Rf1+ Bf5+ 35. Rxf5+ Kg6 36. Rg5+ Kf7 37. Rg7+ Kf8) 31... Rxa3? { (8.90 → Mate in 9) Checkmate is now unavoidable. Be6 was best. } { [%eval #9] } (31... Be6 32. Kb2 Ra4 33. Qxh5+ Ke7 34. Qe5 Re4 35. Qc7+ Kf6 36. Raf1+ Kg6 37. Qe7 Bf5) 32. Qxh5+?! { (Mate in 9 → 10.20) Lost forced checkmate sequence. Re1+ was best. } { [%eval 10.2] } (32. Re1+ Kf7 33. Qxh5+ Kf6 34. Qe5+ Kf7 35. Rf1+ Rf3 36. Rxf3+ Bf5 37. Qxf5+ Ke7 38. Qe5+ Kd8) 32... Kf8?! { (10.20 → Mate in 10) Checkmate is now unavoidable. Ke7 was best. } { [%eval #10] } (32... Ke7 33. Qxd5 Bd7 34. Re1+ Kd8 35. Rd1 Ra7 36. Kb2 Kc8 37. Rf1 Kb8 38. Rf8+ Kc7 39. Rc1+) 33. Qxd5?! { (Mate in 10 → 39.52) Lost forced checkmate sequence. Re1 was best. } { [%eval 39.52] } (33. Re1 Ra7 34. Re8+ Kg7 35. Qe5+ Kf7 36. Kb2 Rxa2+ 37. Kb3 Ra3+ 38. Kb4 Ra4+ 39. Rxa4 Bf5) 33... Rc3+?! { (39.52 → Mate in 7) Checkmate is now unavoidable. Bg4 was best. } { [%eval #7] } (33... Bg4 34. Rf1+) 34. Kb2 { [%eval #7] } 34... Rf3 { [%eval #7] } 35. Qxf3+ { [%eval #4] } 35... Ke8 { [%eval #4] } 36. Rad1 { [%eval #3] } 36... b4 { [%eval #2] } 37. Rhe1+ { [%eval #1] } 37... Be6 { [%eval #1] } 38. Rxe6# { White wins by checkmate. } 1-0