[Event "US Open"] [Site "?"] [Round "0"] [White "Fischer"] [Black "Lapiken"] [Result "1-0"] [ECO "A05"] [Opening "Reti: KIA"] 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 c6 6. Nbd2 Na6 7. a3 {White deci des to play on the queenside rather than the normal 7 Qe1, 8 e4 and kingside play.} 7... Nc5 8. c4 b5 { Creating a weakness on c6, which White exploits immediately.} 9. Nd4 Qd7 10. Nxf5 exf5 11. Nb3 h6 12. Be3 Ne6 13. Nd4 {Once again White attacks both c6 and f5. Now Black should play 13...Nxd4 14 Bxd4 Be7 and try to defend b5 and d5.} 13... g6 {Trading the weak pawn on f5 for an entire weak diagonal a1-h8.} 14. Qb3 Rb8 { This loses, but he had to drop something. His best chance was 14...Bg7.} 15. Nxc6 Qxc6 16. cxd5 Nc5 { Black must have counted on this, but White has another double attack coming.} 17. Qc3 Qd6 18. Bxc5 Qxc5 19. Qxf6 1-0