[Event "IBM"]
[Site "Amsterdam"]
[Date "1969.??.??"]
[Round "12"]
[White "Darga, Klaus"]
[Black "Damjanovic, Mato"]
[Result "1/2-1/2"]

1. c4 c5 2. Nc3 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nb3 Nf6 7. e4 O-O 8. Be2 d6 9. Be3 Nd7 10. O-O b6 11. Nd4 Bb7 12. Re1 Nc5 13. f3 Nxd4 14. Bxd4 Bh6 15. Bf1 a5 16. Be3 Bxe3+ 17. Rxe3 Bc6 18. Qd2 e6 19. Rd1 Nb7 20. Qf2 Nc5 21. Bd3 e5 1/2-1/2