[Event "URS-ch31"]
[Site "Leningrad"]
[Date "1963.??.??"]
[Round "?"]
[White "Polugaevsky, Lev"]
[Black "Nei, Iivo"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "A07"]

1.g3 d5 2.Bg2 Nf6 3.d3 g6 4.Nd2 Bg7 5.e4 dxe4 6.dxe4 O-O 7.Ngf3 Nc6 8.O-O h6
9.Qe2 Bg4 10.Nb3 Qc8 11.Rd1 Ne5 12.Bf4 Nxf3+ 13.Bxf3 Bxf3 14.Qxf3 Nh5 15.c3 Nxf4
16.Qxf4 Rd8 17.Na5 Rd6 18.Nc4 Rd7 19.Ne3 Rd6 20.Nc4 Rd7 21.Qf3 Qe8 22.Na5 Rxd1+
23.Rxd1 b6 24.Nb3 Rd8 25.Rxd8 Qxd8 26.Qe2 a5 27.Nd2 Qd7 28.Nf3 b5 29.Kg2 c6
30.a3 a4 31.Qe3 Qd6 32.Ne1 e6 33.Nd3 Bf8 34.Kf1 c5 35.Ke2 h5 36.Ne1 b4 37.Qd3 Qb6
38.Nc2 bxa3 39.bxa3 Qb2 40.Kd2 h4 41.c4 Bh6+ 42.Ke2 h3 43.f4 g5 44.Kf3 gxf4
45.gxf4 Qf6 46.Qe3 e5 47.Qg1+ Kh8 48.f5 Qd6 49.Ne1 Qd1+ 50.Kg3 Bd2 51.Nf3 Bf4+
52.Kg4 Qxg1+ 53.Nxg1 Bc1 54.Ne2 Bb2 55.Kxh3 Kg7 56.Kg4 Kh6  1/2-1/2

