[Event "Clasificatorio sema. CyD ESCOM"] [Site "https://lichess.org/2QvG4xUA"] [Date "2023.08.17"] [White "IsaacVB"] [Black "El_Alan"] [Result "1-0"] [UTCDate "2023.08.17"] [UTCTime "18:00:00"] [WhiteElo "1365"] [BlackElo "1348"] [Variant "Standard"] [TimeControl "1800+2"] [ECO "D91"] [Opening "Grünfeld Defense: Three Knights Variation, Petrosian System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nf3 d5?! { (0.30 → 0.90) Inaccuracy. Bg7 was best. } (3... Bg7 4. e3 d6 5. Be2 O-O 6. Nc3 e5 7. dxe5 dxe5 8. Qxd8) 4. Nc3?! { (0.90 → 0.22) Inaccuracy. cxd5 was best. } (4. cxd5 Bg7 5. Qa4+ c6 6. dxc6 Nxc6 7. Nc3 Bf5 8. g3 O-O) 4... Bg7 5. Bg5 { D91 Grünfeld Defense: Three Knights Variation, Petrosian System } dxc4 6. e3 h6?! { (-0.07 → 0.48) Inaccuracy. Be6 was best. } (6... Be6 7. Be2 O-O 8. O-O c6 9. Nd2 c5 10. Bxc4 cxd4 11. exd4) 7. Bxf6 Bxf6 8. Bxc4 Bg4 9. h3 Bf5? { (0.65 → 2.17) Mistake. Bxf3 was best. } (9... Bxf3 10. Qxf3) 10. Qb3 O-O 11. Qxb7 Nd7 12. Qc6?! { (2.22 → 1.57) Inaccuracy. e4 was best. } (12. e4) 12... Nb6 13. Bb3 Bd7 14. Qe4 Bf5?! { (1.31 → 2.00) Inaccuracy. Kg7 was best. } (14... Kg7) 15. Qf4 Bd3?! { (2.06 → 2.74) Inaccuracy. Bg7 was best. } (15... Bg7 16. Ne5) 16. Qxh6 Bg7 17. Qf4 a5 18. Ne5? { (3.06 → 1.26) Mistake. Ng5 was best. } (18. Ng5 e6 19. Rd1 a4 20. Bxe6 Bc4 21. Bxc4 Nxc4 22. O-O Ra5 23. Nce4 Bh6 24. Nxf7 Bxf4) 18... Bxe5 19. Qxe5 a4 20. Bd1?! { (1.12 → 0.22) Inaccuracy. Bd5 was best. } (20. Bd5 c6 21. Bxc6 Rc8 22. Qc5 a3 23. b3 Nd7 24. Qd5 Nb8 25. Qxd8 Rfxd8 26. O-O-O Nxc6) 20... Nc4 21. Qb5?! { (0.18 → -0.74) Inaccuracy. Qd5 was best. } (21. Qd5 Qb8 22. Qb5 Qxb5 23. Nxb5 Rfb8 24. Nxc7 Ra7 25. Nd5 Rxb2 26. a3 Be4 27. Nc3 Bxg2) 21... Rb8? { (-0.74 → 0.70) Mistake. c6 was best. } (21... c6) 22. Qxa4?! { (0.70 → -0.06) Inaccuracy. Qc5 was best. } (22. Qc5) 22... Nxb2 23. Qc6 Rb6 24. Qc5 Ba6?? { (-0.51 → 1.29) Blunder. Qa8 was best. } (24... Qa8 25. Bf3) 25. Be2 Bxe2 26. Kxe2 Qa8 27. Qxe7?? { (1.31 → -0.45) Blunder. Nd5 was best. } (27. Nd5) 27... Qa6+? { (-0.45 → 1.02) Mistake. Re8 was best. } (27... Re8 28. Qd7 Rd6 29. Qb5 Rb8 30. Qg5 Qa6+ 31. Kf3 Qc6+ 32. Kg3 Qxc3 33. Rhc1 Qd2 34. Rxc7) 28. Kf3 Rf6+?! { (0.83 → 1.80) Inaccuracy. Re6 was best. } (28... Re6 29. Qg5) 29. Kg3 Re6 30. Qg5 Qd3?? { (1.59 → 4.25) Blunder. Nd3 was best. } (30... Nd3) 31. Nd5 c6?! { (4.29 → 5.48) Inaccuracy. Qa3 was best. } (31... Qa3 32. Nf4 Ra6 33. Kh2 Ra5 34. Qg3 Na4 35. Rhc1 Nc3 36. Rc2 Ne4 37. Qf3 Qe7 38. Rac1) 32. Nf4 Qe4 33. Nxe6 Qxe6 34. Rab1 Nd3 35. Rhd1 Qxa2 36. Qf6 Re8 37. Rb7 Nb2 38. Rd2 Qa3?? { (6.52 → Mate in 2) Checkmate is now unavoidable. Qe6 was best. } (38... Qe6 39. Qxe6 Rxe6 40. Rdxb2 Rf6 41. Rc7 Kg7 42. h4 Kh6 43. Rxf7 Rxf7 44. Rc2 Rf5 45. Rxc6) 39. Rdxb2?? { (Mate in 2 → 6.87) Lost forced checkmate sequence. Qxf7+ was best. } (39. Qxf7+ Kh8 40. Qg7#) 39... Rf8 40. R2b6 Qa5?? { (6.97 → Mate in 7) Checkmate is now unavoidable. Qa8 was best. } (40... Qa8 41. Qxc6 Qd8 42. Qf6 Qxf6 43. Rxf6 Kg7 44. Rfxf7+ Rxf7 45. Rxf7+ Kxf7 46. Kf3 Ke7 47. Ke4) 41. Rxc6? { (Mate in 7 → 9.45) Lost forced checkmate sequence. Rxf7 was best. } (41. Rxf7 Qg5+ 42. Qxg5 Rxf7 43. Qxg6+ Kf8 44. Rb8+ Ke7 45. Rb7+ Kd8 46. Qg8+ Rf8 47. Qxf8#) 41... Qh5? { (9.45 → Mate in 6) Checkmate is now unavoidable. Qf5 was best. } (41... Qf5 42. Qxf5 gxf5 43. h4 Kg7 44. h5 Ra8 45. h6+ Kg8 46. Kf4 Rf8 47. d5 Kh7 48. Kxf5) 42. Rcc7?! { (Mate in 6 → 31.70) Lost forced checkmate sequence. Rxf7 was best. } (42. Rxf7 Qh6 43. Rcc7 Qg5+ 44. Qxg5 Rxf7 45. Qxg6+ Kh8 46. Rc8+ Rf8 47. Rxf8#) 42... Qf5?! { (31.70 → Mate in 19) Checkmate is now unavoidable. Qh7 was best. } (42... Qh7 43. d5 g5 44. Qxg5+ Qg7 45. Qxg7+ Kxg7 46. Kf4 Kf6 47. e4 Kg6 48. g4 Kg7 49. Kf5) 43. Qxf5 gxf5 44. Kf4 Kg7?! { (18.48 → Mate in 11) Checkmate is now unavoidable. Ra8 was best. } (44... Ra8 45. Rxf7 Ra2 46. Ke5 f4 47. Rxf4 Ra8 48. Rf5 Kh8 49. Kf4 Kg8 50. d5 Ra4+ 51. Ke5) 45. Kxf5 { Black resigns. } 1-0