[Event "Olympiad-10 Preliminaries C"]
[Site "Helsinki"]
[Date "1952.08.14"]
[Round "4"]
[White "Mastichiadis, Fotis"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 d6 6. Nc3 O-O 7. O-O Qe8 8. Qc2 Qh5 9. e4 fxe4 10. Nxe4 e5 11. dxe5 dxe5 12. Nxf6+ Bxf6 13. Be3 Nc6 14. Nd2 Nd4 15. Bxd4 exd4 16. Ne4 Bf5 17. Rad1 Rad8 18. Qb3 Bxe4 19. Bxe4 b6 20. Qd3 a5 21. a4 1/2-1/2