[Event "Tallinn"]
[Site "Tallinn"]
[Date "1969.02.25"]
[Round "4"]
[White "Stein, Leonid"]
[Black "Book, Eero"]
[Result "1-0"]

1. g3 d5 2. Bg2 c6 3. d3 Nf6 4. Nd2 Bg4 5. h3 Bf5 6. e4 dxe4 7. dxe4 Be6 8. Ngf3 Na6 9.
O-O Qa5 10. Nd4 O-O-O 11. Nxe6 fxe6 12. Qe2 g6 13. Nc4 Qc7 14. Bf4 Qd7 15. Rfd1 Qe8 16.
Rxd8+ Qxd8 17. Rd1 Qe8 18. Bf1 Nd7 19. Qe3 c5 20. Qb3 Nab8 21. Na5 b6 22. Qxe6 1-0