Gruenberg, Hans Ulrich VS Vaisser, Anatoli 1983.??.??

[Event "Chigorin Memorial-17"]
[Site "Sochi"]
[Date "1983.??.??"]
[Round "?"]
[White "Gruenberg, Hans Ulrich"]
[Black "Vaisser, Anatoli"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2485"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 b6 7. Nf3 Bb7 8. b4 a5 9. b5 d6 10. Bb2 Nbd7 11. e3 Qe7 12. Bd3 Rae8 13. O-O e5 14. Nd2 Nh5 15. Qc2 g6 16. Be4 Bxe4 17. Qxe4 exd4 1/2-1/2