[Event "Third Rosenwald Trophy"] [Site "New York, NY USA"] [Date "1956.10.17"] [Round "8"] [White "Donald Byrne (?)"] [Black "Bobby Fischer (?)"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A15"] [Opening "English Opening: Anglo-Indian Defense, King's Indian Formation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. c4 g6 { A15 English Opening: Anglo-Indian Defense, King's Indian Formation } 3. Nc3 Bg7 4. d4 O-O 5. Bf4 d5 6. Qb3 dxc4 7. Qxc4 c6 8. e4 Nbd7 9. Rd1 Nb6 10. Qc5 Bg4 11. Bg5?? { (0.29 → -1.68) Blunder. Be2 was best. } (11. Be2 Nfd7 12. Qa3 Re8 13. O-O Bxf3 14. Bxf3 e5 15. dxe5 Bxe5 16. Bxe5 Rxe5 17. Be2 Qe7) 11... Na4 12. Qa3 Nxc3 13. bxc3 Nxe4 14. Bxe7 Qb6 15. Bc4 Nxc3 16. Bc5 Rfe8+ 17. Kf1 Be6 18. Bxb6?? { (-1.81 → -6.64) Blunder. Qxc3 was best. } (18. Qxc3 Qxc5 19. dxc5 Bxc3 20. Bxe6 Rxe6 21. g3 b5 22. a3 a5 23. Rd3 b4 24. Kg2 Re2) 18... Bxc4+ 19. Kg1 Ne2+ 20. Kf1 Nxd4+ 21. Kg1 Ne2+ 22. Kf1 Nc3+ 23. Kg1 axb6 24. Qb4 Ra4 25. Qxb6 Nxd1 26. h3 Rxa2 27. Kh2 Nxf2 28. Re1 Rxe1 29. Qd8+ Bf8 30. Nxe1 Bd5 31. Nf3 Ne4 32. Qb8 b5 33. h4 h5 34. Ne5 Kg7 35. Kg1?! { (-51.32 → Mate in 16) Checkmate is now unavoidable. Nxf7 was best. } (35. Nxf7 Kxf7 36. Qc7+ Kg8 37. Qd8 Nd6 38. Kg1 Nf5 39. Qc8 Ng3 40. Kh2 Rxg2+ 41. Kh3 Ne4) 35... Bc5+ 36. Kf1?! { (-65.49 → Mate in 5) Checkmate is now unavoidable. Kh2 was best. } (36. Kh2 Bd6) 36... Ng3+ 37. Ke1 Bb4+ 38. Kd1 Bb3+ 39. Kc1 Ne2+ 40. Kb1 Nc3+ 41. Kc1 Rc2# { Black wins by checkmate. } 0-1