lichess dev

[Event "Steiner Arena"] [Site "http://chess-academy.net/KiOicP4s"] [Date "2024.01.27"] [Round "-"] [White "nNnNnNnNnNnNnNnNnNnN"] [Black "Yalmukhametov_Samat"] [Result "0-1"] [UTCDate "2024.01.27"] [UTCTime "18:59:41"] [WhiteElo "1691"] [BlackElo "1517"] [WhiteRatingDiff "-30"] [BlackRatingDiff "+32"] [Variant "Standard"] [TimeControl "30+0"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. Bf4?! { (0.38 → -0.16) Inaccuracy. Best move was e4. } (2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O c4) 2... Nf6 3. Bg3?! { (0.32 → -0.56) Inaccuracy. Best move was e3. } (3. e3 c5) 3... d5?! { (-0.56 → 0.09) Inaccuracy. Best move was c5. } (3... c5 4. e3) 4. e3 Bd6? { (-0.48 → 0.58) Mistake. Best move was c5. } (4... c5 5. c3) 5. c3?! { (0.58 → -0.33) Inaccuracy. Best move was c4. } (5. c4 c5 6. dxc5 Bxg3 7. hxg3 Qa5+ 8. Nc3 Qxc5 9. cxd5 exd5 10. Bd3 Nc6 11. Kf1 O-O) 5... Bxg3?! { (-0.33 → 0.40) Inaccuracy. Best move was O-O. } (5... O-O 6. Nf3 c5 7. Nbd2 Qc7 8. Bxd6 Qxd6 9. Be2 Nbd7 10. O-O h6 11. c4 b6 12. cxd5) 6. hxg3 O-O?! { (-0.05 → 0.50) Inaccuracy. Best move was c5. } (6... c5 7. Nd2 Nc6 8. Ngf3 O-O 9. Ne5 h6 10. f4 cxd4 11. exd4 Qb6 12. Rb1 Ne4 13. Nxe4) 7. Nf3?! { (0.50 → -0.10) Inaccuracy. Best move was Nd2. } (7. Nd2 c5) 7... Nc6?! { (-0.10 → 0.40) Inaccuracy. Best move was c5. } (7... c5 8. Nbd2) 8. Bb5 h6 9. Bd3? { (0.61 → -0.68) Mistake. Best move was Nbd2. } (9. Nbd2) 9... Bd7? { (-0.68 → 0.40) Mistake. Best move was e5. } (9... e5 10. Nxe5) 10. Qc2? { (0.40 → -0.61) Mistake. Best move was Ne5. } (10. Ne5 Be8 11. Nxc6 Bxc6 12. Nd2 a5 13. Nf3 Bd7 14. Kf1 Ng4 15. Qe2 f5 16. c4 dxc4) 10... Re8 11. Nbd2 e5 12. O-O-O? { (-0.21 → -3.06) Mistake. Best move was dxe5. } (12. dxe5 Nxe5 13. Nxe5 Rxe5 14. Nf3 Re8 15. O-O Qe7 16. Rfd1 Rac8 17. Rac1 c5 18. a4 a6) 12... e4 13. Ne1? { (-2.34 → -4.97) Mistake. Best move was Be2. } (13. Be2 exf3 14. gxf3 Ne7 15. g4 b6 16. Rdg1 c5 17. dxc5 bxc5 18. g5 hxg5 19. Rxg5 g6) 13... exd3 14. Nxd3?! { (-4.69 → -5.51) Inaccuracy. Best move was Qxd3. } (14. Qxd3 Bg4 15. f3 Bh5 16. g4 Bg6 17. Qe2 Qe7 18. Nc2 Rab8 19. Rdg1 Bxc2 20. Kxc2 Qxe3) 14... b5?! { (-5.51 → -4.71) Inaccuracy. Best move was Bf5. } (14... Bf5) 15. Nf4? { (-4.71 → -5.72) Mistake. Best move was Nc5. } (15. Nc5 Bg4 16. f3 Bh5 17. Rhe1 Bg6 18. e4 Rb8 19. Kb1 b4 20. Ka1 bxc3 21. Qxc3 dxe4) 15... a5 16. a3? { (-4.98 → -6.23) Mistake. Best move was Kb1. } (16. Kb1 Qc8) 16... b4 17. Nb3? { (-5.78 → -8.25) Mistake. Best move was Nb1. } (17. Nb1 Rb8) 17... a4 18. Nc5 bxc3? { (-8.10 → -5.76) Mistake. Best move was bxa3. } (18... bxa3) 19. Qxc3 Rb8? { (-5.85 → -4.73) Mistake. Best move was Na5. } (19... Na5 20. Rhe1) 20. Rdf1? { (-4.73 → -6.63) Mistake. Best move was Nfd3. } (20. Nfd3 Bf5 21. Nxa4 Bxd3 22. Rxd3 Ne4 23. Qxc6 Nxf2 24. Rhd1 Qg5 25. Kb1 Nxd1 26. Rxd1 Qxe3) 20... Bf5?! { (-6.63 → -5.79) Inaccuracy. Best move was Rb5. } (20... Rb5) 21. f3 Qc8? { (-6.19 → -4.54) Mistake. Best move was Na7. } (21... Na7 22. g4) 22. Ncd3? { (-4.54 → -7.53) Mistake. Best move was Rf2. } (22. Rf2) 22... Qb7? { (-7.53 → -6.53) Mistake. Best move was Bxd3. } (22... Bxd3) 23. g4? { (-6.53 → -8.47) Mistake. Best move was Re1. } (23. Re1 Qb5) 23... Bxd3 24. Nxd3 Rxe3 25. Re1? { (-7.90 → -82.54) Mistake. Best move was Rd1. } (25. Rd1 Qb6) 25... Rxd3 26. Qxd3?! { (-32.70 → Mate in 15) Checkmate is now unavoidable. Best move was Qc2. } (26. Qc2 Nxd4 27. b4 Nxc2 28. Rd1 Rxa3 29. Kd2 Ne3 30. Ke2 Nxd1 31. Rxd1 Qxb4 32. Kf2 Ra2+) 26... Qxb2+ 27. Kd1 Nxd4 28. Qd2?! { (-25.68 → Mate in 2) Checkmate is now unavoidable. Best move was Re5. } (28. Re5 Rb3) 28... Qb1+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qb3+. } (28... Qb3+ 29. Kc1 Qb1#) 29. Qc1 Qd3+ 30. Qd2 Rb1# { Black wins by checkmate. } 0-1