[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1972.01.12"]
[Round "2"]
[White "Ivkov, Borislav"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. O-O O-O 10. Qe3 Bd7 11. Rd1 a6 12. Bd2 Qb8 13. a4 a5 14. Rac1 Bc6 15. b3 Nd7 16. Nd5 Bxd5 17. exd5 Nc5 18. Re1 Qc7 19. h4 Rae8 20. Bd1 Qb6 21. Bc2 e5 22. h5 e4 23. Rb1 Qc7 24. hxg6 hxg6 25. b4 axb4 26. Bxb4 Na6 27. Ba3 Qxc4 28. Qb3 Qxb3 29. Rxb3 Rc8 30. Bxe4 Nc5 31. Bxc5 Rxc5 32. Rxb7 Rc4 33. a5 Ra4 34. Bc2 Rxa5 1/2-1/2