[Event "Olympiad-19 Preliminaries B"]
[Site "Siegen"]
[Date "1970.09.06"]
[Round "2"]
[White "Keene, Raymond"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
1. Nf3 g6 2. c4 Bg7 3. d4 f5 4. g3 Nf6 5. Bg2 O-O 6. O-O d6 7. d5 c5 8. Nc3 Na6 9. Rb1 Bd7 10. b3 Nc7 11. Bb2 a6 12. e3 b5 13. Ne2 Rb8 14. Bc3 Na8 15. Nf4 Ne4 16. Bxg7 Kxg7 17. Qc2 bxc4 18. bxc4 Qa5 19. Rb3 Kg8 20. Rfb1 Rb6 21. Rxb6 Nxb6 22. h4 Rb8 23. h5 g5 24. Ne6 Bxe6 25. dxe6 Qc3 26. Qe2 Nd7 27. Qd1 Rxb1 28. Qxb1 Nf8 29. g4 fxg4 30. Qxe4 1/2-1/2