[Event "WchT Students 08th"]
[Site "Helsinki"]
[Date "1961.07.21"]
[Round "5(1)"]
[White "Stein, Leonid"]
[Black "Zinn, Lothar"]
[Result "1-0"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. d3 Be7 6. Nbd2 Nf6 7. e4 Bg4 8. h3 Be6 9. Qe2
dxe4 10. dxe4 O-O 11. c3 Nd7 12. Nc4 b5 13. Ne3 c4 14. Rd1 Qc7 15. Nd5 Bxd5 16. exd5 Na5
17. Nd4 exd4 18. Qxe7 Rae8 19. Bf4 Qxf4 20. Qxd7 Qf6 21. Rxd4 Re2 22. Rf4 Qb6 23. b4 Nb7
24. a4 Nd6 25. axb5 Nxb5 26. Qc6 Rc2 27. Qxb6 axb6 28. Rxc4 Rxc3 29. Rc6 f5 30. Bf1 Rxc6
31. dxc6 Nd6 32. Rd1 Nc8 33. Bc4+ Kh8 34. c7 g6 35. Rd8 Kg7 36. Be6 1-0