[Event "URS-ch25"]
[Site "Riga"]
[Date "1958.??.??"]
[Round "?"]
[White "Polugaevsky, Lev"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E25"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Bxc3+ 6.bxc3 c5 7.cxd5 Nxd5 8.dxc5 f5
9.Nh3 Bd7 10.Nf4 Qa5 11.Nxd5 exd5 12.Qd4 Nc6 13.Qe3+ Kf7 14.Qd3 Qxc5 15.Be3 Qd6
16.g3 Rhe8 17.Bg2 Ne5 18.Qd4 Nc4 19.Bf4 Qe6 20.O-O Ne3 21.Bxe3 Qxe3+ 22.Qxe3 Rxe3
23.f4 Be6 24.Rfd1 Rc8 25.Bxd5 Rcxc3 26.Bxb7 Rxe2 27.Rdc1 Rb3 28.Rc7+ Kf6
29.Ba6 Rd2 30.Rxa7 Rbb2 31.Bf1 Rxh2 32.Ra6 Kf7 33.Ra7+ Kf6 34.Ra6 Kf7 35.Ra7+ Kf6 1/2-1/2