[Event "URS-ch23"]
[Site "Leningrad"]
[Date "1956.??.??"]
[Round "?"]
[White "Kortschnoj, Viktor"]
[Black "Tolush, Alexander V"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E62"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.c4 d6 6.O-O Nc6 7.Nc3 Bf5 8.d5 Na5
9.Nd4 Bd7 10.b3 c5 11.dxc6 bxc6 12.Bb2 Rb8 13.Rb1 a6 14.Nc2 Qc8 15.e4 Bh3
16.Re1 Bxg2 17.Kxg2 Ng4 18.h3 Ne5 19.Ba1 Qb7 20.f4 Nd7 21.Qf3 Rbe8 22.g4 c5
23.Nd5 Bxa1 24.Rxa1 Nc6 25.Rad1 a5 26.h4 a4 27.h5 axb3 28.axb3 Rb8 29.Rb1 Rfe8
30.Rh1 Ra8 31.Rb2 Ra7 32.hxg6 fxg6 33.Qh3 Nf8 34.Qh6 Rea8 35.f5 Ne5 36.fxg6 Nexg6
37.Rf1 Ra2 38.Rxa2 Rxa2 39.Rf2 Ne6 40.Kg1 Nef8 41.Qe3 Rb2 42.Qf3 Rb1+ 43.Kh2 e6
44.Nf6+ Kh8 45.Nh5 Qe7 46.Nf4 Ne5 47.Qh3 Qg7 48.Nh5 Nxg4+ 49.Qxg4 Qxg4 50.Rxf8+ Qg8
51.Rxg8+ Kxg8 52.Na3 Rb2+ 53.Kg1 Kf7 54.Nb5 Ke7 55.Nf4 Rxb3 56.Nc7 Rb4 57.Ncxe6 Rxc4
58.Ng5 Kf6 59.Nxh7+ Ke5 60.Ng2 Kxe4 61.Ng5+ Kd3 62.Kf2 Rc2+ 63.Kf3 Ra2 64.Nf4+ Kc4
65.Nf7 Rd2 66.Ke3 Kc3 67.Ng5 d5 68.Nf3 d4+ 69.Ke4 Rd1 70.Ne6 Kb4 71.Nexd4 cxd4
72.Nxd4 Kc4 73.Nf3 Rd8 74.Ne5+  1/2-1/2

