[Event "Yugoslav Championship"] [Site "Zagreb YUG"] [Date "1939.04.04"] [EventDate "?"] [Round "4"] [Result "1-0"] [White "Ivan Lesnik"] [Black "Sadi Kalabar"] [ECO "B84"] [WhiteElo "?"] [BlackElo "?"] [Source "Perpetual Check"] [PlyCount "30"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 d6 7. O-O Be7 8. Be3 Bd7 9. Qd2 Nc6 10. f4 O-O 11. Bf3 Qc7 12. Nb3 Na5 13. Nxa5 Qxa5 14. Nd5 Qd8 15. Bb6 Qe8 1-0