[Event "Sochi"]
[Site "Sochi"]
[Date "1966.??.??"]
[Round "13"]
[White "Kortschnoj, Viktor"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]
[WhiteElo ""]
[BlackElo ""]
[ECO "D55"]

1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Bg5 Be7 5.e3 h6 6.Bxf6 Bxf6 7.Nf3 O-O 8.Qd2 b6
9.cxd5 exd5 10.b4 Be6 11.Be2 Be7 12.Rb1 a5 13.b5 Nd7 14.O-O Bd6 15.Ne1 Nf6
16.Bd3 Re8 17.f3 Nh5 18.g4 Nf6 19.Ng2 Rc8 20.Ne2 Bd7 21.Ng3 Bb4 22.Qb2 c6
23.bxc6 Rxc6 24.a3 Bf8 25.h3 Qc7 26.Ne2 b5 27.Qa2 b4 28.axb4 Bxb4 29.e4 dxe4
30.fxe4 Rc3 31.Nxc3 Qxc3 32.Qc4 Qxc4 33.Bxc4 Rxe4 34.Rf4 Re7 35.Nh4 Re3 36.Rf3 Re4
37.Nf5 Bxf5 38.Rxf5 Rxd4 39.Rc1 Bd2 40.Rc2 a4 41.Ba2 Rd8 42.Kg2 Be3 43.Re5 Bg5
44.Ra5 g6 45.Rxa4 Rd7 46.Rac4 h5 47.Rc5 Be3 48.Rc7 hxg4 49.hxg4 Bg5 50.Rxd7 Nxd7
51.Re2 Kf8 52.Kf3 Bh6 53.Bc4 f6 54.Ke4 Ne5 55.Be6 Kg7 56.Rh2 Nxg4 57.Bxg4 f5+
58.Bxf5 gxf5+ 59.Kxf5 Be3  1/2-1/2

