[Event "Keres mem"]
[Site "Tallinn"]
[Date "1983.??.??"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Boensch, Uwe"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2450"]
[ECO "A77"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.Nf3 g6 7.Nd2 Nbd7 8.e4 Bg7
9.Be2 O-O 10.O-O Re8 11.a4 a6 12.Qc2 Qc7 13.a5 b5 14.axb6 Nxb6 15.Ra3 c4
16.Ndb1 Nfd7 17.Be3 Nc5 18.Nd2 f5 19.f3 fxe4 20.fxe4 Bd7 21.Bxc4 Nxc4 22.Nxc4 Rac8
23.Nd2 Qb8 24.Bxc5 Rxc5 25.Nf3 Qb4 26.Rxa6 Bb5 27.Rb6 Bd4+ 28.Kh1 Bxc3 29.bxc3 Qa5
30.Rxb5 Qxb5 31.Rg1 Qc4 32.Ng5 Qxc3 33.Qa4 Rcc8 34.Ne6 Qf6 35.h3 Qe7 36.Rf1 Ra8
37.Qd4 Qd7 38.Qf6 Qe7 39.Qd4 Qd7 40.Qf6 Qe7  1/2-1/2

