FEN
[Event "March Chess Megatournament"]
[Site "https://cohenchessclub.com/Oac2jJJK"]
[Date "2022.03.12"]
[White "Oskar"]
[Black "Atticus"]
[Result "0-1"]
[UTCDate "2022.03.12"]
[UTCTime "20:52:07"]
[WhiteElo "1764"]
[BlackElo "1566"]
[WhiteRatingDiff "-13"]
[BlackRatingDiff "+15"]
[WhiteTitle "GM🦃"]
[Variant "Standard"]
[TimeControl "900+0"]
[ECO "B00"]
[Opening "Pirc Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 d6 { B00 Pirc Defense } 2. Bc4?! { (0.74 → 0.04) Inaccuracy. d4 was best. } (2. d4 e5 3. Nf3 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O) 2... f5? { (0.04 → 1.18) Mistake. Nf6 was best. } (2... Nf6 3. Nc3 e6 4. d4 d5 5. exd5 exd5 6. Bd3 Nc6 7. Nf3 Bg4 8. Be2 Bb4 9. O-O) 3. Qf3?! { (1.18 → 0.46) Inaccuracy. d3 was best. } (3. d3 Nc6) 3... c6?! { (0.46 → 1.35) Inaccuracy. Qd7 was best. } (3... Qd7 4. Nc3) 4. g4?? { (1.35 → -0.53) Blunder. d4 was best. } (4. d4) 4... fxe4 5. Qf7+ Kd7 6. Be6+?! { (-0.61 → -1.57) Inaccuracy. g5 was best. } (6. g5 Kc7 7. f3 Nd7 8. fxe4 Ne5 9. Qf1 Nxc4 10. Qxc4 e5 11. d4 Ne7 12. Nc3 Ng6) 6... Kc7 7. d4? { (-1.75 → -3.29) Mistake. Bxc8 was best. } (7. Bxc8 Qxc8) 7... exd3 8. cxd3 Bd7?! { (-3.50 → -2.62) Inaccuracy. Bxe6 was best. } (8... Bxe6 9. Qxe6) 9. Bd2?! { (-2.62 → -3.44) Inaccuracy. Nc3 was best. } (9. Nc3 Nf6) 9... Qc8?! { (-3.44 → -2.72) Inaccuracy. Nf6 was best. } (9... Nf6 10. Bxd7) 10. b4?? { (-2.72 → -9.25) Blunder. Bxd7 was best. } (10. Bxd7) 10... Bxe6 11. Qf3 Bxg4 12. Qf4 Qf5 13. h3 Qxf4 14. Bxf4 e5 15. Bxe5 dxe5 16. hxg4 Bxb4+ 17. Nc3 Bxc3+ 18. Kd1 Bxa1 19. Nf3 c5 20. Kd2 Nc6 21. Rxa1 Nf6 22. g5 Ng4 23. Ke2 Nd4+ 24. Nxd4 cxd4 25. Rc1+ Kd7 26. f3 Ne3 27. a4 Rac8 28. Rb1 Rc2+ 29. Ke1 Ng2+?! { (Mate in 8 → -21.76) Lost forced checkmate sequence. Kc6 was best. } (29... Kc6 30. Rd1 Nxd1 31. Kxd1 Rh2 32. Ke1 Rf8 33. g6 Rxf3 34. gxh7 Rh1+ 35. Ke2 Rhf1 36. h8=Q) 30. Kd1?! { (-21.76 → Mate in 10) Checkmate is now unavoidable. Kf1 was best. } (30. Kf1 Ne3+ 31. Kg1 b6 32. f4 exf4 33. Rb4 Kc6 34. a5 f3 35. Kh1 f2 36. Rb1 bxa5) 30... Rf2?! { (Mate in 10 → -15.23) Lost forced checkmate sequence. Ne3+ was best. } (30... Ne3+ 31. Ke1 Kc6 32. Rd1 Nxd1 33. Kxd1 Rg2 34. Ke1 Rf8 35. Kf1 Ra2 36. f4 Rxf4+ 37. Kg1) 31. Rxb7+ Kc6 32. Rxg7?! { (-15.15 → Mate in 4) Checkmate is now unavoidable. Rb3 was best. } (32. Rb3 Rxf3) 32... Rxf3?! { (Mate in 4 → -12.52) Lost forced checkmate sequence. Rb8 was best. } (32... Rb8 33. Rb7 Rxb7 34. Kc1 Ne3 35. a5 Rc2#) 33. Rxa7 Rxd3+ 34. Ke2?! { (-12.08 → Mate in 9) Checkmate is now unavoidable. Kc1 was best. } (34. Kc1 Rg3) 34... Re3+?! { (Mate in 9 → -12.40) Lost forced checkmate sequence. Nf4+ was best. } (34... Nf4+ 35. Kf2 Rb8 36. Ra6+ Kc7 37. Ra7+ Kc8 38. Ra8 Rxa8 39. g6 Rxa4 40. gxh7 Ra2+ 41. Ke1) 35. Kd2 Re4 36. a5 Re3 37. a6 Kb6?! { (Mate in 4 → -12.42) Lost forced checkmate sequence. Rf8 was best. } (37... Rf8 38. Rf7 Rxf7 39. Kd1 Rf2 40. g6 Re1#) 38. Rg7 e4 39. a7 Rd3+ 40. Ke2 Re3+ 41. Kd2 d3 42. Rxh7 Ra8 43. Rh2 Re1 44. Rxg2 Re2+ 45. Kd1 Rxg2 46. g6 Rg5 47. g7 Rxg7 48. Kd2 Rgxa7 49. Ke3 Ra3 50. Kxe4 R3a4+ 51. Ke3 Kc7 52. Kd2 R8a5 53. Ke3 Re5+ 54. Kd2 Ra2+ 55. Kxd3 Rae2 56. Kd4 R5e4+ 57. Kd5 R2e3 58. Kc5 Rd3 59. Kb5 Re2 60. Kc4 Red2 61. Kc5 Rd5+ 62. Kc4 Kc6 63. Kc3 R2d3+ 64. Kc2 Kc5 65. Kc1 Kc4 66. Kc2 Rc3+ 67. Kb2 Rd2+ 68. Kb1 Kd3 69. Ka1 Ke2 70. Kb1 Kd1 71. Ka1 Rc1# { Black wins by checkmate. } 0-1