[Event "US Championship"] [Site "?"] [Round "0"] [White "Fischer"] [Black "Benko"] [Result "1-0"] [ECO "B06"] [Opening "Modern: Pseudo-Austrian Attack"] 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 O-O 6. Bd3 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Be3 e5 10. dxe5 dxe5 11. f5 gxf5 12. Qxf5 Nd4 13. Qf2 Ne8 14. O-O Nd6 15. Qg3 Kh8 16. Qg4 c6 17. Qh5 Qe8 {White has the f-file, well-placed pieces and a slightly better pawn structure. Black's forces are scattered, and the bishop does little from its post at g7. Fischer exploits these factors quickly. } 18. Bxd4 {The knight at d4 was a potential defender on the kingside, and the bishop was not going to participate in the attack anyway.} 18... exd4 { 18...exd4 19.e5 looks like it wins a piece, because of the threat of Qxh7 mate, but Black has a defense. f5! Qxe8Nxe8} 19. Rf6 {A brilliant move. The idea is to encourage Black to move the bishop to a position where it blocks the f-pawn from advancing, eliminating the defense mentioned in the previous note. 19.Rf6 Bxf6 20.e5 h6 21.Qxh6+ Kg8 22.Qh7+} 19... Kg8 20. e5 h6 21. Ne2 { Here Black resigned, because mate is still unavoidable, for example} 21... Nc8 22. Qf5 1-0