[Event "Olympiad-10 Preliminaries B"]
[Site "Helsinki"]
[Date "1952.08.11"]
[Round "2"]
[White "Koch, Berthold"]
[Black "German, Eugenio Maciel"]
[Result "0-1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4 11. Re1 d4 12. h3 Bh5 13. e6 fxe6 14. cxd4 Bxf3 15. Qxf3 Nxd4 16. Qh5+ g6 17. Bxg6+ hxg6 18. Qxh8 Nc2 19. Bh6 Qe7 20. Bxf8 Qxf8 21. Qxf8+ Kxf8 22. Rc1 Nxa1 23. Rxc5 Rd8 24. Nc3 Rd2 25. Rxc7 Rxb2 26. Rc6 Rc2 27. a3 Ke7 28. g4 Kd7 29. Rc5 Nb3 30. Rg5 Rxc3 31. Kg2 Nd2 32. Rxg6 Rxa3 33. h4 b4 34. Rg7+ Kc6 35. Rg8 b3 36. Rb8 Kc7 37. Rb4 a5 38. Rb5 Ra4 0-1