[Event "Olympiad-10 Preliminaries A"]
[Site "Helsinki"]
[Date "1952.08.11"]
[Round "2"]
[White "Lorson, Gerhard"]
[Black "Najdorf, Miguel"]
[Result "0-1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d5 a5 9. Qc2
Nh5 10. Ne1 Nf4 11. g3 Nxe2+ 12. Qxe2 f5 13. f3 b6 14. Nd3 Nc5 15. Nxc5 bxc5 16. a4 Rf7
17. Nb5 h5 18. Bd2 f4 19. gxf4 Bh3 20. Rfd1 exf4 21. Bc3 Bxc3 22. Nxc3 Qg5+ 23. Kh1 Qe5
24. Rg1 Rg7 25. Nd1 Rb8 26. Qd3 g5 27. Qc3 Qxc3 28. bxc3 Bd7 29. Nf2 Rb2 30. Nd3 Rd2 31.
Rgd1 Rxd1+ 32. Rxd1 Bxa4 33. Ra1 Bb3 34. Rxa5 Bxc4 35. Ne1 Re7 36. Ra1 Re8 37. Kg1 g4 38.
Kf2 Rb8 39. Rc1 Rb2+ 40. Rc2 Rb1 0-1