[Event "Hoogovens"]
[Site "Beverwijk"]
[Date "1964.01.23"]
[Round "13"]
[White "Bobotsov, Milko Georgiev"]
[Black "Lengyel, Levente"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Nf3 Nc6 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Be7 8. d4 O-O 9. Nxd5 exd5 10. dxc5 Bxc5 11. a3 Be7 12. Be3 Bf6 13. Nd4 Re8 14. Rc1 Bxd4 15. Bxd4 Nxd4 16. Qxd4 Rxe2 17. Bf3 Re7 18. Qxd5 Be6 19. Qxd8+ Rxd8 20. Rfd1 Rxd1+ 21. Rxd1 g6 22. Rd2 Rc7 23. Kg2 Kg7 24. h4 h5 25. Be4 Kf6 26. Kf3 b6 27. Ke3 Re7 28. Kf4 Rc7 29. Ke3 Re7 30. Kf4 Rc7 1/2-1/2