FEN
[Event "April Chess Megatournament"]
[Site "https://cohenchessclub.com/WRkwVDFA"]
[Date "2022.04.09"]
[White "Aarnav"]
[Black "Oskar"]
[Result "1-0"]
[UTCDate "2022.04.09"]
[UTCTime "19:35:45"]
[WhiteElo "1687"]
[BlackElo "1833"]
[WhiteRatingDiff "+22"]
[BlackRatingDiff "-11"]
[BlackTitle "GM🦃"]
[Variant "Standard"]
[TimeControl "900+0"]
[ECO "D00"]
[Opening "Queen's Pawn Game: Mason Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Bf5 3. Nc3 e6 4. e3 c5? { (0.01 → 1.43) Mistake. c6 was best. } (4... c6 5. Bd3 Nf6 6. Bxf5 exf5 7. h4 Bd6 8. Qf3 g6 9. h5 Nxh5 10. Rxh5 gxh5 11. Nh3) 5. Bb5+? { (1.43 → 0.08) Mistake. Nb5 was best. } (5. Nb5 Na6 6. c3 Nf6 7. Nf3 Be7 8. dxc5 Bxc5 9. Nbd4 O-O 10. Nxf5 exf5 11. Bxa6 bxa6) 5... Nc6 6. Bxc6+ bxc6 7. dxc5?! { (-0.25 → -0.76) Inaccuracy. Nf3 was best. } (7. Nf3) 7... Bxc5 8. Qf3? { (-0.75 → -2.26) Mistake. Nf3 was best. } (8. Nf3 Nf6 9. O-O Rc8 10. Rc1 O-O 11. Na4 Be7 12. c4 c5 13. Nh4 Bg4 14. f3 Bh5) 8... Bb4?! { (-2.26 → -1.46) Inaccuracy. Nf6 was best. } (8... Nf6) 9. Qg3?! { (-1.46 → -2.25) Inaccuracy. Ne2 was best. } (9. Ne2 Bxc2) 9... Bxc3+? { (-2.25 → -0.80) Mistake. Nf6 was best. } (9... Nf6 10. Ne2 Nh5 11. Qf3 Qh4 12. O-O Nxf4 13. exf4 Bd6 14. Rfe1 Qf6 15. Rac1 Rb8 16. Na4) 10. bxc3 Qf6?? { (-0.49 → 7.20) Blunder. Nf6 was best. } (10... Nf6 11. Bc7) 11. Be5 Qh6 12. Bxg7 Qxg7 13. Qxg7 Bxc2 14. Qxh8 O-O-O 15. Qg7 Be4 16. Nf3 Bxf3 17. gxf3 Ne7 18. Qxf7 Rd7 19. Qxe6 Kc7 20. Rb1 a5?! { (13.46 → Mate in 7) Checkmate is now unavoidable. Ng6 was best. } (20... Ng6 21. Qg8) 21. Rc1?! { (Mate in 7 → 12.84) Lost forced checkmate sequence. Qe5+ was best. } (21. Qe5+ Rd6 22. Qxe7+ Rd7 23. Qe5+ Rd6 24. Rg1 h6 25. Rg7+ Kc8 26. Qxd6 a4 27. Rb8#) 21... Nc8 22. c4 Rd6 23. Qe7+ Nxe7 24. cxd5 Rxd5 25. O-O Rg5+ 26. Kh1 Nf5 27. f4 Rg4 28. Rfd1 h5 29. Rg1 Rh4 30. Rg5 Nd6 31. Rg7+ Kb6 32. Rb1+ Ka6 33. Rg6 Ne4 34. Rxc6+ Ka7 35. Rb7+?? { (10.52 → 1.27) Blunder. Rc7+ was best. } (35. Rc7+) 35... Ka8?? { (1.27 → 61.08) Blunder. Kxb7 was best. } (35... Kxb7 36. Rc2 Nd6 37. f3 Nf5 38. Rc3 Kb6 39. Kg2 Kb5 40. Rb3+ Kc5 41. e4 Rxf4 42. exf5) 36. Rb2 Ka7 37. f3 Nf2+ 38. Rxf2 Kb7 39. Re6 Kc7 40. Rd2 Rh3 41. f5?! { (Mate in 8 → 12.72) Lost forced checkmate sequence. Kg2 was best. } (41. Kg2 Rh4 42. Kg3 Rg4+ 43. fxg4 Kb7 44. Rd7+ Kc8 45. Ree7 a4 46. gxh5 a3 47. Rd3 Kb8) 41... Rxf3 42. f6 h4 43. Kg2 Rf5 44. Rf2 Rxf2+?! { (15.02 → Mate in 9) Checkmate is now unavoidable. h3+ was best. } (44... h3+ 45. Kf1) 45. Kxf2 Kd7 46. Re4 a4 47. Rxa4 Ke6 48. Rf4 h3 49. f7 Ke7 50. f8=Q+ Ke6 51. Qh6+ Ke5 { Black offers draw } 52. Qh5+ Ke6 53. Ra4 Kd6 54. Ra6+ Kc7 55. Qh7+ Kb8 56. Rf6 Kc8 57. Rf8# { White wins by checkmate. } 1-0