[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1970.01.13"]
[Round "1"]
[White "Bobotsov, Milko Georgiev"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 Re8 8. Qd2 Rb8 9. a3 a6 10. b4 Nh5 11. g4 Nf6 12. h3 b5 13. cxb5 axb5 14. Rc1 Bd7 15. Bg2 Ra8 16. Nxb5 Qb8 17. Nxc7 Qxc7 18. b5 Qb7 19. bxc6 Bxc6 20. Rc3 Bb5 21. Kf2 Bxe2 22. Qxe2 Ra4 23. Rhc1 h6 24. Qc2 Qa6 25. Bf1 Qa5 26. Qb2 Ra8 27. Rc8+ Rxc8 28. Rxc8+ Kh7 29. Rc3 Nd7 30. Qb5 Qa7 31. e5 Ra5 1/2-1/2