[Event "Olympiad-10 Final B"]
[Site "Helsinki"]
[Date "1952.08.25"]
[Round "5"]
[White "Keller, Hans"]
[Black "Barden, Leonard William"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Nh5 10. Nge2 f5 11. exf5 gxf5 12. O-O Nd7 13. Qd2 Kh8 14. Rac1 Nc5 15. Bb1 Bd7 16. Kh1 b6 17. b4 Na6 18. a3 Rc8 19. g4 Nf6 20. gxf5 Qe8 21. Ng3 Nc7 22. Rg1 Qf7 23. Rcd1 Nb5 24. Nxb5 Bxb5 25. Be4 Ba4 26. Rc1 Bb3 27. Rxc8 Rxc8 28. Bh6 Rg8 29. Bg5 Bf8 30. Bxf6+ Qxf6 31. Qd3 Ba4 32. Qa6 b5 33. Qxa7 Bh6 34. Ne2 Rxg1+ 35. Nxg1 Bf4 36. Qb8+ Kg7 37. Qc7+ Kh6 38. Qd7 Bc1 39. Nh3 Bxa3 40. Nf2 Kg5 41. Qxh7 Kf4 42. Qg6 1-0