Larsen, Bent VS Ivkov, Borislav 1963.??.??

[Event "Zonal Halle"]
[Site "Halle/Saale"]
[Date "1963.??.??"]
[Round "?"]
[White "Larsen, Bent"]
[Black "Ivkov, Borislav"]
[Result "1-0"]

1. g3 e5 2. Bg2 g6 3. c4 Bg7 4. Nc3 d6 5. d3 f5 6. f4 Ne7 7. Nf3 Nbc6 8. O-O Nd4 9. Bd2 O-O 10. Rb1 a5 11. Na4 Kh8 12. Bc3 Bd7 13. b3 Bc6 14. Qd2 Bxf3 15. Bxf3 Nxf3+ 16. Rxf3 Nc6 17. Bb2 d5 18. cxd5 Qxd5 19. Rc1 Rfe8 20. Rf2 Re7 21. Rc5 Qd6 22. Ba3 Nb4 23. Rxa5 Rxa5 24. Bxb4 c5 25. Bxa5 b5 26. fxe5 Bxe5 27. Nb2 Ra7 28. Bc3 Rxa2 29. Qf4 1-0