[Event "GM Zhigalko Sergei 100 MEGA simul"] [Site "https://lichess.org/Y346s6YU"] [Date "2024.11.15"] [White "Zhigalko_Sergei"] [Black "SaNek_EnOt"] [Result "1-0"] [UTCDate "2024.11.15"] [UTCTime "15:42:36"] [WhiteElo "2764"] [BlackElo "2237"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B53"] [Opening "Sicilian Defense: Chekhover Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 { B53 Sicilian Defense: Chekhover Variation } e5?! { (0.00 → 0.83) Inaccuracy. Nf6 was best. } (4... Nf6 5. Bg5 Nc6 6. Bb5 e6 7. Bxc6+ bxc6 8. O-O Be7 9. e5) 5. Bb5+?! { (0.83 → 0.19) Inaccuracy. Qe3 was best. } (5. Qe3 Nc6 6. c4 g6 7. Nc3 f5 8. Be2 Nf6 9. O-O f4) 5... Bd7 6. Qd3 a6 7. Bc4 Nc6 8. Nc3 h6 9. O-O Nf6 10. Rd1 Be7 11. a3 O-O 12. h3 Qc8 13. Be3 Be6 14. Ba2 Rd8?! { (0.31 → 1.23) Inaccuracy. b5 was best. } (14... b5) 15. Nd5?! { (1.23 → 0.40) Inaccuracy. Bxe6 was best. } (15. Bxe6 fxe6 16. Na4 Rb8 17. Nb6 Qc7 18. Qc4 Kf7 19. a4 Nd7 20. a5 Re8) 15... Bxd5 16. Bxd5 Nxd5 17. Qxd5 Qd7 18. Bb6 Rdc8 19. Rd2 Qe6 20. Qd3 Qg6 21. Rad1 Kh7 22. c4 Qh5?! { (0.33 → 0.99) Inaccuracy. Nb8 was best. } (22... Nb8 23. Be3) 23. b4 g5? { (1.02 → 2.44) Mistake. Qg6 was best. } (23... Qg6) 24. Nh2 Qg6 25. Ng4 h5 26. Ne3 Bf8 27. Nf5 g4 28. hxg4 hxg4 29. Qg3 Nd4? { (3.12 → 5.05) Mistake. Re8 was best. } (29... Re8 30. f3 Re6 31. fxg4 Kg8 32. Qf3 Nd4 33. Bxd4 exd4 34. Rxd4 a5 35. b5) 30. Bxd4 exd4 31. Rxd4 Rd8?! { (4.65 → 6.14) Inaccuracy. Re8 was best. } (31... Re8 32. Qh4+ Kg8 33. R1d3 Bg7 34. Rxd6 f6 35. f3 a5 36. c5 axb4 37. axb4) 32. Qh4+ Kg8 33. c5 d5 34. Rxd5 Rxd5 35. Rxd5 Re8 36. Nd6 Bxd6?! { (4.11 → 5.73) Inaccuracy. Be7 was best. } (36... Be7 37. Qg3 Bxd6 38. Qxd6 Kg7 39. f3 Qxd6 40. cxd6 gxf3 41. gxf3 Kf6 42. Kf2) 37. Rg5 Be7 38. Rxg6+ fxg6 39. Qxg4 Rd8 40. Qxg6+ Kf8 41. g3 Rd1+ 42. Kg2 a5 43. b5 Rd6?? { (6.79 → Mate in 15) Checkmate is now unavoidable. Rd7 was best. } (43... Rd7 44. Qh6+ Ke8 45. Qh5+ Kf8 46. Qh8+ Kf7 47. Qh7+ Ke8 48. Qg8+ Bf8 49. Qg6+) 44. cxd6 Bxd6 45. Qxd6+ Ke8 46. e5 Kf7 47. Qf6+ Kg8 48. e6 Kh7 49. e7 b6 50. e8=Q a4 51. Qef7# { White wins by checkmate. } 1-0