[Event "Yugoslav 1st Category"] [Site "Ptuj YUG"] [Date "1950.04.19"] [EventDate "?"] [Round "13"] [Result "1-0"] [White "Ivan Kukovec"] [Black "Boris Sikosek"] [ECO "E18"] [WhiteElo "?"] [BlackElo "?"] [Source "Perpetual Check"] [PlyCount "64"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 d5 8. Ne5 Nbd7 9. e3 c6 10. f4 Qc7 11. b3 Rac8 12. Bb2 Rfd8 13. Rc1 Qb8 14. Rf2 c5 15. cxd5 Nxd5 16. Nxd5 Bxd5 17. Nxd7 Rxd7 18. e4 Bb7 19. d5 Re8 20. Qg4 Bf8 21. f5 exf5 22. Rxf5 Qc7 23. Rh5 Qd6 24. e5 Qe7 25. Be4 g6 26. e6 fxe6 27. Bxg6 Bg7 28. Bxh7+ Kh8 29. Bg6+ Kg8 30. Bxe8 Qxe8 31. Rg5 e5 32. Bxe5 1-0