FEN
[Event "July Chess Megatournament"]
[Site "https://cohenchessclub.com/tJjcMjaS"]
[Date "2023.07.15"]
[White "Oskar"]
[Black "Bohdan"]
[Result "1-0"]
[UTCDate "2023.07.15"]
[UTCTime "19:00:00"]
[WhiteElo "1970"]
[BlackElo "1525"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-1"]
[WhiteTitle "GM🦃"]
[BlackTitle "🐍"]
[Variant "Standard"]
[TimeControl "600+2"]
[ECO "D04"]
[Opening "Queen's Pawn Game: Colle System"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Nf3 Nf6 3. e3 { D04 Queen's Pawn Game: Colle System } Nc6?! { (0.17 → 0.91) Inaccuracy. e6 was best. } (3... e6 4. Bd3 b6 5. b3 Bb7 6. Nbd2 Bd6 7. O-O O-O 8. Bb2 c5 9. c4 Nc6 10. dxc5) 4. c3?! { (0.91 → 0.24) Inaccuracy. c4 was best. } (4. c4 Bg4 5. cxd5 Bxf3 6. gxf3 Qxd5 7. Nc3 Qh5 8. f4 Qxd1+) 4... e6 5. Bd3 Bd6 6. Nbd2 O-O 7. O-O Ng4?? { (-0.06 → 1.97) Blunder. e5 was best. } (7... e5 8. e4 exd4 9. cxd4 dxe4 10. Nxe4 Bg4 11. Bg5 Be7 12. Re1 Nxd4 13. Nxf6+ Bxf6 14. Bxf6) 8. h3 Nf6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Ne7 12. Ng5?! { (1.50 → 0.73) Inaccuracy. Re1 was best. } (12. Re1) 12... h6 13. Qh5?? { (0.51 → -4.26) Blunder. Nf3 was best. } (13. Nf3 Rb8) 13... c6?? { (-4.26 → 4.24) Blunder. f5 was best. } (13... f5 14. Bc2 hxg5 15. Bxg5 Qe8 16. Qf3 Bd7 17. Rfe1 Qf7 18. c4 Nc6 19. Rad1 a5 20. h4) 14. Bh7+ Kh8 15. Nxf7+?? { (4.48 → -2.37) Blunder. Bc2 was best. } (15. Bc2 f5 16. Nf7+ Rxf7 17. Qxf7 Qg8 18. Qxg8+ Kxg8 19. a4 a5 20. Bd2 Nd5 21. Bd1 Bd7) 15... Rxf7 16. Qxf7 Kxh7 17. Bf4 Bxf4 18. Qxf4 Nd5?! { (-1.70 → -0.94) Inaccuracy. Ng6 was best. } (18... Ng6 19. Qe4 Qd5 20. Rfe1 Bd7 21. Qc2 Qf5 22. Qxf5 exf5 23. c4 Kg8 24. Rad1 Kf7 25. d5) 19. Qe4+ Kg8 20. c4 Nf6 21. Qe5 Nd7?? { (-0.76 → 1.73) Blunder. Bd7 was best. } (21... Bd7 22. Rfe1) 22. Qxe6+ Kh8 23. Rfe1?! { (1.63 → 0.97) Inaccuracy. Qd6 was best. } (23. Qd6 Qf8) 23... Nf6 24. Qe3 Bd7 25. c5?? { (0.90 → -0.76) Blunder. a4 was best. } (25. a4 a5 26. b3 b5 27. axb5 cxb5 28. d5 Qf8 29. Qe7 bxc4 30. Qxf8+ Rxf8 31. bxc4 Rc8) 25... Nd5 26. Qe4 Nf6?! { (-1.37 → -0.59) Inaccuracy. Qg8 was best. } (26... Qg8 27. Qc2) 27. Qe7 Qc8 28. Qe3 Nd5 29. Qg3 Qd8 30. Re5?! { (-0.37 → -1.25) Inaccuracy. a4 was best. } (30. a4 Qa5 31. Qb3 Rb8 32. Re5 Qd2 33. Rd1 Qf4 34. Rd3 Qh4 35. Re1 Be8 36. Qd1 Bh5) 30... Nf6? { (-1.25 → 0.00) Mistake. Qf6 was best. } (30... Qf6 31. b4 Rf8 32. Rae1 Qf7 33. R5e4 a6 34. Re5 Kg8 35. a3 Qf6 36. R1e4 Kh7 37. Re1) 31. Rae1 Nd5 32. a3 Rb8?! { (-0.82 → 0.00) Inaccuracy. Qf6 was best. } (32... Qf6 33. b4 a6 34. a4 Kh7 35. Qd3+ Kg8 36. b5 axb5 37. axb5 Ra2 38. R1e2 Ra1+ 39. Kh2) 33. Rh5 Ra8 34. Qe5?! { (-0.08 → -0.72) Inaccuracy. Qd6 was best. } (34. Qd6 Nf6) 34... Nf6 35. Rh4 Rc8?! { (-0.38 → 0.19) Inaccuracy. Qf8 was best. } (35... Qf8 36. Re3) 36. Qe7?? { (0.19 → -1.39) Blunder. Rf4 was best. } (36. Rf4 Kg8) 36... Qg8?? { (-1.39 → 8.26) Blunder. Qxe7 was best. } (36... Qxe7 37. Rxe7) 37. Qe3?? { (8.26 → -0.54) Blunder. Rxh6+ was best. } (37. Rxh6+ gxh6) 37... Nd5 38. Qg3 Re8? { (-1.06 → 0.00) Mistake. Rf8 was best. } (38... Rf8 39. Rhe4) 39. Re5? { (0.00 → -1.12) Mistake. Rxe8 was best. } (39. Rxe8 Qxe8 40. Qe5 Qg6 41. Re4 Qf7 42. Re1 Kh7 43. Qe4+ Bf5 44. Qe8 Qf6 45. Qe5 Qg6) 39... Rxe5? { (-1.12 → 0.00) Mistake. Rf8 was best. } (39... Rf8 40. Rhe4 Qf7 41. Re2 Qf6 42. Re1 a6 43. R1e4 Kh7 44. h4 Qf7 45. b4 Qf6 46. Re1) 40. dxe5?! { (0.00 → -0.84) Inaccuracy. Qxe5 was best. } (40. Qxe5 Kh7 41. Re4 Qf7 42. Re1 a5 43. f3 Bf5 44. Qe8 Bg6 45. Qxf7 Bxf7 46. Re5 g5) 40... a6?! { (-0.84 → -0.16) Inaccuracy. Qf7 was best. } (40... Qf7 41. Rd4 Be6 42. f4 g6 43. b4 Kg7 44. Qh4 Kh7 45. Kh2 a6 46. Qg3 Qf8 47. Qf2) 41. Qb3?! { (-0.16 → -0.78) Inaccuracy. Qg6 was best. } (41. Qg6 Qc8) 41... g5?? { (-0.78 → 6.56) Blunder. Bc8 was best. } (41... Bc8 42. Qg3 Qf7 43. Rd4 Be6 44. f4 g6 45. Qh4 Qf8 46. b4 Kg7 47. g4 a5 48. Qg3) 42. Rxh6+ Kg7 43. Rh5 b5 44. Rxg5+ Kh6 45. Rxg8 Be6 46. Rh8+ Kg7 47. Rh4 a5?! { (36.47 → Mate in 5) Checkmate is now unavoidable. Bg8 was best. } (47... Bg8 48. Qg3+) 48. Qg3+ Kf7 49. Rh7+ Kf8 50. Qg7+ Ke8 51. Rh8+ Bg8 52. Rxg8# { White wins by checkmate. } 1-0