FEN
[Event "March Chess Megatournament"]
[Site "https://cohenchessclub.com/lpX0AL1A"]
[Date "2022.03.12"]
[White "Vonn"]
[Black "Mason2"]
[Result "1/2-1/2"]
[UTCDate "2022.03.12"]
[UTCTime "20:53:12"]
[WhiteElo "1774"]
[BlackElo "1483"]
[WhiteRatingDiff "-5"]
[BlackRatingDiff "+9"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "900+0"]
[ECO "B00"]
[Opening "Ware Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 a5?! { (0.35 → 1.15) Inaccuracy. c6 was best. } { B00 Ware Defense } (1... c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4) 2. Bc4?! { (1.15 → 0.62) Inaccuracy. d4 was best. } (2. d4 e6 3. Nc3 d5 4. Bd3 dxe4 5. Nxe4 Nd7 6. Nf3 Ngf6 7. Nxf6+ Nxf6 8. Qe2 Be7) 2... e6 3. Nf3 Nf6 4. d3?? { (0.49 → -4.86) Blunder. e5 was best. } (4. e5 d5 5. Be2 Nfd7 6. a4 d4 7. c3 Nc6 8. cxd4 Nb6 9. Bb5 Be7 10. Nc3 O-O) 4... Be7?? { (-4.86 → 0.05) Blunder. d5 was best. } (4... d5 5. Bb5+) 5. Bg5?? { (0.05 → -5.83) Blunder. e5 was best. } (5. e5 d5 6. exd6 cxd6 7. d4 a4 8. O-O O-O 9. Re1 Nc6 10. Bb5 Bd7 11. c4 d5) 5... O-O?? { (-5.83 → -0.54) Blunder. d5 was best. } (5... d5) 6. Nc3 a4?! { (-0.81 → 0.11) Inaccuracy. d5 was best. } (6... d5) 7. b3?? { (0.11 → -5.14) Blunder. e5 was best. } (7. e5 Ne8 8. Bxe7 Qxe7 9. a3 d5 10. Ba2 c5 11. d4 Nc6 12. dxc5 Qxc5 13. O-O f6) 7... a3?? { (-5.14 → -0.49) Blunder. d5 was best. } (7... d5 8. Bb5 c6 9. e5 Nfd7 10. Bxe7 Qxe7 11. Bxa4 b5 12. O-O bxa4 13. Nxa4 c5 14. c3) 8. O-O?? { (-0.49 → -3.91) Blunder. e5 was best. } (8. e5) 8... Ng4?? { (-3.91 → 1.21) Blunder. d5 was best. } (8... d5 9. e5 Ne8 10. Bxe7 Qxe7 11. Bxd5 exd5 12. Nxd5 Qd8 13. c4 f6 14. d4 fxe5 15. Nxe5) 9. Bxe7 Qxe7 10. Nd2 Qd6?? { (0.85 → 5.35) Blunder. Qb4 was best. } (10... Qb4 11. Nb5) 11. Qxg4 Ra5?! { (4.52 → 7.40) Inaccuracy. Qb4 was best. } (11... Qb4 12. Ndb1 c6 13. e5 d5 14. exd6 b5 15. Rd1 h6 16. Qf3 bxc4 17. dxc4 Rd8 18. Nb5) 12. Nf3 g6 13. d4 Rh5 14. e5 f5 15. Qxh5 gxh5 16. exd6 cxd6 17. d5 exd5 18. Bxd5+ Kh8 19. Ng5 Kg7 20. Nb5 b6 21. Nxd6 Ba6 22. Rae1 Bxf1 23. Rxf1 Na6 24. Re1 Kg6 25. Nf3 Nb4 26. Ne5+ Kf6 27. Nxd7+ Kg7 28. Nxf8 Kxf8 29. Re8+ Kg7 30. Nxf5+ Kf6 31. Be6 Nc6 32. Bd7 Ne5 33. Rf8+ Kg6 34. Nh4+ Kg5?! { (15.38 → Mate in 4) Checkmate is now unavoidable. Kg7 was best. } (34... Kg7 35. Rd8) 35. Nf3+?! { (Mate in 4 → 59.72) Lost forced checkmate sequence. f4+ was best. } (35. f4+ Kh6 36. Rg8 Nf3+ 37. gxf3 b5 38. Nf5#) 35... Nxf3+ 36. gxf3 Kh4?! { (58.92 → Mate in 3) Checkmate is now unavoidable. Kg6 was best. } (36... Kg6 37. h4 h6 38. Kg2 Kg7 39. Rb8 b5 40. Rxb5 Kf6 41. f4 Ke7 42. Bf5 Kf6 43. Ra5) 37. c4?! { (Mate in 3 → 62.75) Lost forced checkmate sequence. Rf5 was best. } (37. Rf5 h6 38. Be8 b5 39. Rxh5#) 37... Kg5 38. Rg8+ Kh4?! { (57.82 → Mate in 3) Checkmate is now unavoidable. Kf4 was best. } (38... Kf4 39. Rb8) 39. b4 b5 40. cxb5 h6 41. b6?? { (Mate in 4 → 0.00) Lost forced checkmate sequence. Bc6 was best. } { Draw by stalemate. } (41. Bc6 Kh3 42. Rg2 Kh4 43. h3 Kxh3 44. Rh2#) 1/2-1/2