Fischer - Unzicker, Zurich 1959

The next game in 18 Memorable Games is game no.10 in My 60 Memorable Games and no.53 in Predecessors IV. The PGN is given below, along with punctuation by the two World Champions. I see only one real difference of opinion, on 35...Re7.

[Event "Zurich"]
[Site "?"]
[Date "1959.??.??"]
[Round "8"]
[White "Fischer, R."]
[Black "Unzicker, W."]
[Result "1-0"]
[ECO "C97"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Bd7 13.Nf1 Rfe8 14.Ne3 g6 15.dxe5 dxe5 16.Nh2 Rad8 17.Qf3 Be6 18.Nhg4 Nxg4 19.hxg4 Qc6 20.g5 {BF: !?; GK: !?} 20...Nc4 21.Ng4 Bxg4 22.Qxg4 f6 {BF: ?; GK: ?} 23.gxf6 Bxf6 24.a4 {BF: !; GK: !} 24...Nb6 25.axb5 axb5 26.Be3 Ra8 27.Red1 Kh8 {GK: ?!} 28.b3 Bg7 29.Qh4 Bf6 30.Bg5 {BF: !; GK: !} 30...Bxg5 31.Qxg5 Rxa1 32.Rxa1 Nd7 33.Bd1 {BF: !; GK: !} 33...Nf6 34.Ra7 Qd6 35.Be2 {BF: !; GK: !} 35...Re7 {GK: ?} 36.Rxe7 Qxe7 37.Bxb5 Kg7 38.Be2 Qc7 39.Qe3 Qa5 40.g3 Qa3 {GK: ?!} 41.Kg2 Qa5 42.Qd3 Qb6 43.Qc4 Qc6 44.Bd3 Qb6 45.b4 cxb4 46.cxb4 Ng4 47.Qc5 {GK: !} 47...Qxc5 48.bxc5 Kf7 49.f4 {GK: !} 49...Ke7 50.Kf3 Nf6 51.Bb5 Ke6 52.Bc4+ Ke7 53.c6 {BF: !; GK: !} 53...Ne8 54.fxe5 {GK: !} 54...h6 55.Ke3 Nc7 56.Kd4 h5 57.Ke3 {BF: !; GK: !} 57...g5 58.Be2 h4 59.gxh4 gxh4 60.Bc4 Ne8 61.Kf4 Kd8 62.Kg4 Kc7 63.Bf7 Ng7 64.Kxh4 Kxc6 65.Kg5 1-0

To play through the complete game see...

Robert James Fischer vs Wolfgang Unzicker, Zurich 1959
http://www.chessgames.com/perl/chessgame?gid=1008383

...on Chessgames.com. There is a discussion on 20.g5 {BF: !?; GK: !?} and 35.Be2 {BF: !; GK: !}.