[Event "URS-ch25"]
[Site "Riga"]
[Date "1958.??.??"]
[Round "?"]
[White "Kortschnoj, Viktor"]
[Black "Boleslavsky, Isaak"]
[Result "0-1"]
[WhiteElo ""]
[BlackElo ""]
[ECO "E86"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Nge2 c6 7.Be3 e5 8.Qd2 exd4
9.Bxd4 a6 10.Be3 b5 11.O-O-O Qa5 12.Qxd6 b4 13.Nb1 Qxa2 14.Qxb4 a5 15.Qa3 Qxc4+
16.Nec3 Qb4 17.Bc5 Bh6+ 18.Kc2 Qxa3 19.Nxa3 Re8 20.Nc4 Na6 21.Bd4 Nb4+ 22.Kb1 Nd7
23.Nd6 Rf8 24.Nxc8 Rfxc8 25.Na4 Rc7 26.Bc4 Re8 27.Rhe1 Bg7 28.e5 Nf8 29.Bb6 Rb7
30.f4 Ne6 31.g3 Bf8 32.Be3 h5 33.Re2 Reb8 34.Red2 Nc7 35.Rd8 Nbd5 36.Rxb8 Rxb8
37.Bd2 Bb4 38.Bc1 Be7 39.Rd3 Rb4 40.b3 Rb8 41.Kb2 Kf8 42.Rd1 Bb4 43.Bd3 Nb5
44.Bd2 Ba3+ 45.Ka2 Bb4 46.Bc4 Nbc7 47.Kb2 Ke7 48.Bxb4+ Rxb4 49.Ra1 Ne3 50.Kc3 Nb5+
51.Kd3 Nxc4 52.bxc4 Rb3+ 53.Ke4 Na3 54.Nc5 Rc3 55.Nb7 Nc2  0-1

