[Event "Mat-Petrosian vsBotvinnik-1963 Arena"] [Site "https://lichess.org/Cqlm7hIC"] [Date "2024.07.16"] [White "Sparrow1988"] [Black "Strong89"] [Result "1-0"] [UTCDate "2024.07.16"] [UTCTime "10:29:47"] [WhiteElo "1915"] [BlackElo "2301"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A45"] [Opening "Indian Defense: Reversed Chigorin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nc3 c5?! { (-0.03 → 0.60) Inaccuracy. d5 was best. } { A45 Indian Defense: Reversed Chigorin Defense } (2... d5 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. Nf3 O-O 7. Be2) 3. d5 d6 4. h3 e5?! { (0.41 → 1.12) Inaccuracy. g6 was best. } (4... g6 5. e4 Bg7 6. Bc4 O-O 7. Nge2 a6 8. a4 Nbd7 9. Ng3) 5. e4 Be7 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Nf3 O-O 9. O-O?! { (1.18 → 0.58) Inaccuracy. a4 was best. } (9. a4 a6 10. Qe2 Nh5 11. Nd2 g6 12. g3 Bg5 13. h4 Bh6 14. g4 Bxd2+) 9... a6 10. a4 Qc7?! { (0.65 → 1.23) Inaccuracy. b5 was best. } (10... b5 11. Qe2) 11. Re1 Rfb8 12. Bg5 h6 13. Bh4 b5?! { (0.64 → 1.43) Inaccuracy. c4 was best. } (13... c4 14. a5) 14. axb5 axb5 15. Rxa8 Rxa8 16. Nxb5 Qb6 17. c4 Ra2 18. Qb3 Ra5 19. Nd2?! { (1.67 → 0.64) Inaccuracy. Bxf6 was best. } (19. Bxf6 Nxf6 20. g3 h5 21. Re3 Bf8 22. Qc2 g6 23. Ra3 Rxa3 24. bxa3 Qa5) 19... Nb8? { (0.64 → 2.38) Mistake. Nxd5 was best. } (19... Nxd5 20. exd5 Bxh4 21. Ne4 Be7 22. Qg3 Qb8 23. Qg4 Nb6 24. b3 Qf8 25. Nec3) 20. Qc2?! { (2.38 → 1.19) Inaccuracy. Nd4 was best. } (20. Nd4 Ra6 21. Qxb6 Rxb6 22. Bxf6 Bxf6 23. Nb5 Bg5 24. Nf3 Bd8 25. Ra1 Na6) 20... Nxd5 21. Bxe7?! { (1.15 → 0.48) Inaccuracy. exd5 was best. } (21. exd5 Bxh4) 21... Nxe7 22. Nb3 Rxb5?? { (0.18 → 2.15) Blunder. Ra6 was best. } (22... Ra6 23. Qd2 Nc8 24. Re3 Nd7 25. Rg3 Kh7 26. Qd1 Nf8 27. Nd2 Ne6 28. Kh2) 23. cxb5 Qxb5 24. Ra1 Nbc6 25. Ra8+ Kh7 26. f4?! { (0.64 → 0.02) Inaccuracy. Ra3 was best. } (26. Ra3 Ng6 27. g3 Nd4 28. Nxd4 exd4 29. Qb3 Qe2 30. Qxf7 d3 31. Ra7 Qxb2) 26... Nd4 27. Nxd4 cxd4? { (0.33 → 1.50) Mistake. exd4 was best. } (27... exd4 28. Rd8 Ng6 29. e5 d3 30. Qf2 dxe5 31. fxe5 c4 32. Qd4 Qb4 33. Rd5) 28. fxe5 dxe5 29. Qc7?! { (1.76 → 1.02) Inaccuracy. Ra7 was best. } (29. Ra7 d3 30. Qf2 Qe8 31. Kh2 f5 32. exf5 Nc8 33. Ra6 e4 34. Qf4 Qb5) 29... Ng6?? { (1.02 → 5.45) Blunder. Qe2 was best. } (29... Qe2) 30. Qxf7 Nf4?? { (4.81 → Mate in 5) Checkmate is now unavoidable. Ne7 was best. } (30... Ne7 31. Ra7 Qxb2 32. Rxe7 Qc1+ 33. Qf1 Qxf1+ 34. Kxf1 h5 35. Ke2 h4 36. Kd3) 31. Qf5+?? { (Mate in 5 → 5.03) Lost forced checkmate sequence. Ra7 was best. } (31. Ra7 Qd7 32. Rxd7 Ne6 33. Qxe6 h5 34. Qxe5 Kh6 35. Qxg7#) 31... Ng6 32. Qc8?! { (5.21 → 3.64) Inaccuracy. Qf7 was best. } (32. Qf7 Ne7 33. Qxe7 Qc6 34. Qf8 Qc1+ 35. Kh2 Qg5 36. Qg8+ Kg6 37. Ra6+ Qf6) 32... Nf4?? { (3.64 → Mate in 15) Checkmate is now unavoidable. Qb3 was best. } (32... Qb3 33. Kh2) 33. Qf5+?? { (Mate in 15 → 4.78) Lost forced checkmate sequence. Qg8+ was best. } (33. Qg8+ Kg6 34. Ra7 Nxh3+ 35. gxh3 Kg5 36. Rxg7+ Kf4 37. Qf7+ Ke3 38. Qf2+ Kxe4) 33... Ng6 34. h4?! { (5.46 → 3.81) Inaccuracy. Qf7 was best. } (34. Qf7) 34... Qe2 35. h5 Qf1+?? { (4.40 → Mate in 2) Checkmate is now unavoidable. Qe1+ was best. } (35... Qe1+ 36. Kh2 Qh4+ 37. Qh3 Qxe4 38. hxg6+ Qxg6 39. Qb3 Qf5 40. Qg8+ Kg6 41. Qe8+) 36. Qxf1 Nf4 { Black offers draw } 37. g3 Nxh5 38. Qf5+ g6 39. Ra7+ Ng7 40. Qf6 { Black resigns. } 1-0