[Event "Olympiad-10 Preliminaries B"]
[Site "Helsinki"]
[Date "1952.08.14"]
[Round "4"]
[White "Koch, Berthold"]
[Black "Szabo, Laszlo"]
[Result "0-1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Nge2 O-O 6. O-O Nbd7 7. f3 c6 8. a4 d5 9. Bb3 dxe4 10. fxe4 e5 11. Bg5 h6 12. Bh4 exd4 13. Qxd4 g5 14. Bg3 Nh5 15. Qd6 Nxg3 16. Nxg3 Ne5 17. Qxd8 Rxd8 18. Nf5 Be6 19. Bxe6 fxe6 20. Nxg7 Kxg7 21. Rf2 Rd4 22. Raf1 Rad8 23. Rf6 R8d6 24. h3 Rd2 25. R1f2 Rxc2 26. Rxc2 Kxf6 27. Ne2 Rd1+ 28. Kh2 Rd3 29. a5 Ke7 30. Ng3 Rb3 31. Rf2 Nd3 32. Rf3 Nc5 33. Rf2 Rxg3 0-1