[Event "Round 1: Чхитунидзе, Леон Роландович - Ситников, Антон Петрович"] [Site "https://lichess.org/study/gWqDhB8I/0ruMekXC"] [Date "2024.02.18"] [White "Чхитунидзе, Леон Роландович"] [Black "Ситников, Антон Петрович"] [Result "0-1"] [UTCDate "2023.07.02"] [UTCTime "12:30:31"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B07"] [Opening "Lion Defense: Anti-Philidor"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 d6 2. e4 Nf6 3. Nc3 Nbd7 4. f4 { B07 Lion Defense: Anti-Philidor } Nb6?! { (0.81 → 1.55) Inaccuracy. e5 was best. } (4... e5 5. Nf3 exd4 6. Qxd4 c6 7. Be3 d5 8. e5 Ng4 9. Bg1) 5. Nf3 d5 6. e5 Ne4 7. Nxe4 dxe4 8. Ng5 Qd5 9. b3?! { (1.30 → 0.32) Inaccuracy. a4 was best. } (9. a4) 9... e6? { (0.32 → 1.82) Mistake. h6 was best. } (9... h6 10. c4 Qc6 11. Qh5 g6 12. Qh4 a5 13. Be3 Bg7 14. Nh3 a4 15. Rd1 axb3 16. axb3) 10. a3?! { (1.82 → 1.09) Inaccuracy. c4 was best. } (10. c4 Qc6 11. Qh5 Bb4+ 12. Bd2 Bxd2+ 13. Kxd2 Qd7 14. Kc2 h6 15. Rd1 Qe7 16. Nxe4 Bd7) 10... h6 11. c4 Qc6 12. Nh3 a5 13. Qc2 f5 14. exf6 gxf6 15. Be2 Rg8 16. Bh5+ Kd8 17. f5 exf5 18. d5 Qc5 19. Nf4?? { (1.13 → -0.68) Blunder. Qe2 was best. } (19. Qe2 a4 20. Be3 Rxg2 21. Bxc5 Rxe2+ 22. Kxe2 Bxc5 23. b4 Be7 24. c5 Nxd5 25. Rad1 c6) 19... a4 20. Bf7?! { (-0.60 → -1.64) Inaccuracy. b4 was best. } (20. b4) 20... Rg7 21. Ne6+ Bxe6 22. dxe6 axb3 23. Qd2+? { (-1.19 → -3.04) Mistake. Qxb3 was best. } (23. Qxb3 Rxg2) 23... Ke7 24. Bb2 Rd8 25. Qc3?! { (-3.56 → -4.73) Inaccuracy. Bxf6+ was best. } (25. Bxf6+ Kxf6 26. Qxd8+ Be7 27. Qd2 Rg5 28. Qb2+ Qe5 29. Qxe5+ Kxe5 30. g3 b2 31. Rb1 Nxc4) 25... Rxf7 26. exf7 Rd6 27. Rd1?! { (-3.46 → -5.09) Inaccuracy. Qxb3 was best. } (27. Qxb3 Nxc4 28. Rc1 b5 29. Qc3 Kxf7 30. a4 Qb6 31. a5 Qa7 32. Rc2 Be7 33. Qh3 Qxa5+) 27... Qxc4? { (-5.09 → -2.60) Mistake. Na4 was best. } (27... Na4 28. Qxb3 Qa5+ 29. Bc3 Qxc3+ 30. Qxc3 Rxd1+ 31. Kxd1 Nxc3+ 32. Kc2 Na4 33. Rd1 Nc5 34. Rd5) 28. Rxd6 Qxc3+ 29. Bxc3 Kxd6 30. Bxf6? { (-2.25 → -3.78) Mistake. Kd2 was best. } (30. Kd2 Ke6 31. Rb1 Nd5 32. Rxb3 b6 33. Ke2 Kxf7 34. Bd2 f4 35. a4 Ke6 36. Rh3 c5) 30... Ke6 31. Bb2 Nc4 32. Bc3 Kxf7 33. Ke2 Bxa3 34. Rb1 b2 35. h3 b5 36. g4 f4 37. Be1 f3+ 38. Kf1 e3 39. Rd1? { (-7.29 → Mate in 6) Checkmate is now unavoidable. Bc3 was best. } (39. Bc3 b4 40. Be1 f2 41. Ke2 fxe1=Q+ 42. Rxe1 b3 43. Rf1+ Ke6 44. Rf4 Kd5 45. Rf1 Ke4) 39... e2+ { Black wins. } 0-1