[Event "Olympiad-10 Final B"]
[Site "Helsinki"]
[Date "1952.08.26"]
[Round "6"]
[White "Koch, Berthold"]
[Black "Porreca, Giorgio"]
[Result "0-1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 e5 6. Nc2 Nf6 7. Nc3 Bc5 8. Be2 O-O 9. O-O Nd4 10. Ne3 d6 11. Ncd5 Nxd5 12. Nxd5 f5 13. exf5 Bxf5 14. Be3 Be6 15. b4 Ba7 16. Rc1 Rc8 17. Bg4 Qd7 18. Bxe6+ Qxe6 19. Re1 Qf7 20. Ne7+ Qxe7 21. Bxd4 Bxd4 22. Qxd4 exd4 23. Rxe7 b5 24. c5 d3 25. Kf1 Rf4 26. a3 dxc5 27. Rxc5 Rxc5 28. bxc5 Rc4 29. Ke1 Rxc5 30. Ra7 Rc1+ 31. Kd2 Rc2+ 32. Kxd3 Rxf2 33. Rxa6 Rxg2 34. Kc3 Rxh2 35. Ra5 Rh3+ 36. Kb4 Rh4+ 37. Kb3 Rh5 38. Kb4 Rf5 39. a4 Rf4+ 40. Kxb5 Rf5+ 0-1