[Event "Chicago International"]
[Site "Chicago"]
[Date "1982.04.21"]
[Round "10"]
[White "Martz, William E"]
[Black "Korchnoi, Viktor Lvovich"]
[Result "1/2-1/2"]
[BlackElo "2645"]
[ECO "D80"]
[Opening "Grünfeld Defense"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Rb1 b6 9. Be2 Bg7 10. Nf3 Bd5 11. O-O O-O 12. Nd2 c5 13. Bxc4 Bxc4 14. Nxc4 Qd5 15. Qf3 Qxf3 16. gxf3 cxd4 17. cxd4 Rc8 18. Rfc1 f6 19. a4 Nd7 20. a5 Bf8 21. Bg3 Rc6 22. Nd2 Rxc1+ 23. Rxc1 bxa5 24. Ra1 e6 25. Nc4 Bb4 26. Nxa5 Bxa5 27. Rxa5 a6 28. e4 f5 1/2-1/2