[Event "Match/Nation GER-URS  13-51"]
[Site "Hamburg"]
[Date "1960.07.30"]
[Round "4"]
[White "Unzicker, Wolfgang"]
[Black "Geller, Efim P"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Qd2 Ng4 10. Bxg4 Bxg4 11. f4 Nxd4 12. Bxd4 e5 13. Be3 exf4 14. Rxf4 Be6 15. Rf2 Be5 16. Bd4 Rc8 17. Rd1 Qa5 18. a3 Rc4 19. Ne2 Qxd2 20. Rxd2 1/2-1/2