(1) Fischer,R - Miagmasuren,L [A08]
Sousse Interzonal+ Sousse (3), 1967

This is one of Fischer's most famous games.

1.e4 e6 2.d3 d5 3.Nd2
The normal shielding of the queen from exchange after ...dxe4/dxe4.

3...Nf6 4.g3 c5 5.Bg2 Nc6 6.Ngf3 Be7 7.0-0 0-0 8.e5
Known as 'the Long Variation,' this line can be reached from French, Sicilian and 1 Nf3 move orders.

8...Nd7 9.Re1
Reinforcing the critical e5-pawn.

9...b5
With the board effectively divided in two, black correctly accelerates his queenside play, hoping to outrun white's kingside initiative.

10.Nf1 b4 11.h4
Opening h2 for the knight headed for g4 and preparing to soften the black kingside with h5-h6.

11...a5
Continuing queenside expansion. [Weaker is 11...Qc7?! .]

12.Bf4!
[Also good is the immediate 12.N1h2 a4? (12...Ba6 13.Ng4 (13.Bf4 ) 13...a4?! (13...Nd4 ) 14.Bg5 Nd4 15.Qd2!? (15.Nxd4 cxd4 16.Qd2 Rc8 17.Re2 Rc6 18.Qf4 b3 19.cxb3 axb3 20.axb3 h5~~ ) 15...Nxf3+ 16.Bxf3 c4 17.d4 c3!? 18.bxc3 bxc3 19.Qe3 Rb8 20.Rab1 Rb2 21.Bxe7 Qxe7 22.Qxc3 Rxa2 23.Ne3 Nb8 24.Rb6 a3 25.Reb1+/- ) 13.a3! Qb6 14.Bf4 f6 15.exf6 Bxf6 16.Rb1 Nd8 17.Ng4+/- .]

12...a4?!
[Better is 12...Ba6 13.N1h2 a4 (13...Rc8 14.Rc1 (14.Bh3 Nd4 15.Nxd4 cxd4 16.Rc1 Rc6 17.Qg4 Kh8 18.Nf3 Qb6 19.Bg5 f5 20.Qf4 Bc5 21.b3+/- Rf7 (21...h6? 22.Bxh6 gxh6 23.Qxh6++- ) 22.g4 Nf8 23.h5 Kg8 24.Kh1 Bc8 25.Rg1 Qa7 26.Rg2 Qc7 27.Rcg1 Kh8 28.Bh6! fxg4 (28...gxh6 29.gxf5 ) 29.Qxg4 g6 30.Bxf8 Rxf8 31.hxg6 Qg7 32.Qh5 Rc7 33.Ng5! Qxg6 34.Qxg6 hxg6 35.Bxe6 Kg7 (35...Bxe6 36.Rh2+! ) 36.Rh2 Rh8 37.Rgg2! Rh6 38.Rxh6 Kxh6 39.f4 Kg7 40.Rh2 Be7 41.Rh7+ Kf8 42.Rh8+ (1-0 Visser-Kiriakov, 1995)) 14...a4 15.Bf1 Nb6 16.Ng5 Qe8 17.Ng4 a3 18.bxa3 Na4 19.Nf6+! gxf6 20.exf6 Bxf6 21.Qh5+- ) 14.Ng5 Qe8 15.c4 Nb6 16.cxd5 Nxd5 17.Be4 g6 18.Bxd5 exd5 19.Ng4 Nd4~~ .]

13.a3!
Fischer blunts the queenside expansion before returning to the kingside.

13...bxa3 14.bxa3 Na5?!
[Better are 14...Nd4 ; and 14...Ba6 .]

15.Ne3
White switches plans. [15.N1h2? allows 15...c4 16.d4 c3-/+ .]

15...Ba6 16.Bh3!+/= d4
Opening d5 for the knight. [Weaker is 16...c4?! 17.d4+/- .]

17.Nf1!
[17.Ng4 ]

17...Nb6
As planned. [Black has an interesting pawn sacrifice with 17...c4!? 18.Nxd4 (18.dxc4 Nxc4 19.Qxd4 Nxa3<=> ) 18...cxd3 19.cxd3 Nc5© .]

18.Ng5 Nd5
[Unclear is 18...h6 19.Ne4 Nd5 20.Bd2 c4 21.Qg4 Kh7~~ .]

19.Bd2
[Not the tempting 19.Qh5? h6! 20.Nxf7 Nxf4 21.Nxh6+ gxh6 22.gxf4 Kg7!-/+ .]

19...Bxg5?!
Voluntarily parting with his last kingside defender. [Worse is 19...h6? 20.Nxe6 fxe6 21.Bxe6+ Kh8 22.Bxa5 Qxa5 23.Bxd5+- ; necessary for counterplay is 19...c4<=> .]

20.Bxg5+/- Qd7 21.Qh5 Rfc8?!
[Better is 21...Bb7 .]

22.Nd2!
Appropriating the e4-square and pivoting into the kingside attack.

22...Nc3 23.Bf6!+-
A winning shot.

23...Qe8
[23...gxf6 also loses: 24.exf6 Kh8 25.Nf3 Rg8 26.Ne5+- .]

24.Ne4!
Look how dangerous white's pieces are; how ineffectual black's are.

24...g6
Weakening the dark squares.

25.Qg5!
Keeping the queen on the board. [Not 25.Qh6? Qf8 .]

25...Nxe4 26.Rxe4 c4
[No better is 26...Bb7 27.Rg4 Qf8 (27...Qc6 28.Kh2+- ) 28.h5 h6 29.Qh4 g5 30.f4 Bf3 31.fxg5 Bxg4 32.Qxg4 hxg5 33.Qxg5+ Kh7 34.Bg2+- .]

27.h5!
Bobby comes after the king and clears h4 for the rook.

27...cxd3 28.Rh4! Ra7
[Also losing is 28...Rc7 29.Bxe6 fxe6 30.hxg6 Qxg6 31.Qxg6+ hxg6 32.Rh8+ Kf7 33.Rh7+ Ke8 34.Rxc7+- ; and even more brutal is 28...dxc2? 29.hxg6 c1Q+ 30.Rxc1 Rxc1+ 31.Kh2! fxg6 32.Rxh7! Kxh7 33.Qh4+ Kg8 34.Qh8+ Kf7 35.Qg7# .]

29.Bg2!!
Fischer knows that his mate threats are more deadly than black's promotion on c1.

29...dxc2?
[Necessary and ineffective are 29...Bb7!? 30.hxg6 fxg6 31.Rxh7 Kxh7 32.Qh4+ Kg8 33.Qh8+ Kf7 34.Qg7# ; and 29...Qf8 30.Be4! dxc2 31.hxg6 fxg6 32.Bxg6+- .]

30.Qh6 Qf8
Black tries desperately to trade off queens. [Black also loses after 30...c1Q+ 31.Rxc1 Rxc1+ 32.Kh2! Qf8 33.Qxh7+ Kxh7 34.hxg6+ Kxg6 35.Be4# .]

31.Qxh7+
[31.Qxh7+ Kxh7 32.hxg6+ Kxg6 33.Be4# A great finish to a thematic game.] 1-0