Bronstein, David Ionovich VS Unzicker, Wolfgang 1977.03.08

[Event "Keres Memorial-01"]
[Site "Tallinn"]
[Date "1977.03.08"]
[Round "11"]
[White "Bronstein, David Ionovich"]
[Black "Unzicker, Wolfgang"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2525"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 b5 7. e4 g5 8. Bg3 Nxe4 9. Qf3 Bxc3+ 10. bxc3 exd5 11. O-O-O Qa5 12. Rxd5 Qa3+ 13. Kc2 Qxa2+ 14. Kc1 Qa1+ 15. Kc2 Qa2+ 16. Kc1 Qa1+ 1/2-1/2