[Event "Match/Nation URS-YUG"]
[Site "Lvov"]
[Date "1962.??.??"]
[Round "4"]
[White "Stein, Leonid"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 g6 15. Bd2 Bf8 16. Rc1 Nc6 17. Bb1 Bg7 18. d5 Nd8 19. c4 Nb7 20. g4 Reb8 21. Bd3 Qd8 22. b3 b4 1/2-1/2