[Event "Banja Luka 1974"] [Site "Banja Luka YUG"] [Date "1974.10.29"] [EventDate "1974.10.10"] [Round "15"] [Result "1/2-1/2"] [White "Nikola Lakic"] [Black "Istvan Csom"] [ECO "E18"] [WhiteElo "?"] [BlackElo "2540"] [Source "Perpetual Check"] [PlyCount "26"] 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d5 11. Qa4 dxc4 12. Qxc4 c5 13. Be3 cxd4 1/2-1/2