Karpov, Anatoly VS Wittmann, Walter 1971.07.??

[Event "WchT Students 18th final A"]
[Site "Mayaguez"]
[Date "1971.07.??"]
[Round "8"]
[White "Karpov, Anatoly"]
[Black "Wittmann, Walter"]
[Result "1-0"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. d4 Qa5 8. h3 e5 9. e4 Nfd7
10. d5 c5 11. a3 Na6 12. Be3 Qd8 13. Ne1 f5 14. exf5 gxf5 15. f4 e4 16. g4 fxg4 17. hxg4
Nf6 18. f5 h5 19. gxh5 Nh7 20. h6 Be5 21. Qh5 Kh8 22. Nxe4 Bxb2 23. Ra2 Nf6 24. Qg6 Rg8
25. Rxb2 Ng4 26. Bg5 1-0