[Event "URS-ch36 Final"]
[Site "Almaty"]
[Date "1969.01.04"]
[Round "4"]
[White "Zaitsev, Alexander N"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]

1. d4 d5 2. Nf3 e6 3. g3 Nf6 4. Bg2 c5 5. O-O Nc6 6. b3 cxd4 7. Nxd4 Bc5 8. Bb2 Bd7 9. e3 Qe7 10. c4 O-O 11. cxd5 Nxd5 12. Nf5 exf5 13. Qxd5 Be6 14. Qd3 Rfd8 15. Qe2 Nb4 16. Nc3 Nd3 17. Na4 Nxb2 18. Nxc5 Qxc5 19. Qxb2 Rd7 20. Rfd1 Rad8 21. Rxd7 Rxd7 22. Rc1 Qf8 23. Bf3 g6 1/2-1/2