(1) Spassky,Boris V (2660) - Fischer,Robert James (2785) [E56]
World Championship 28th Reykjavik (1), 11.07.1972
[ChessBase]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 [4...c5 Petrosjan-Fischer/Buenos Aires (8) cf/1971/0-1/40/ 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ Spassky-Petrosjan/Moskau wm(5)/1-0/31/]

5.e3 [5.a3 Bxc3+ 6.bxc3 Thorbergsson-Fischer/Rykjavik/1960/1/2/26/]

5...0-0 6.Bd3 c5 [6...Nc6 7.a3 Bxc3+ 8.bxc3 Na5 9.Nd2 c5 10.0-0+/- Reshevsky-Fischer/Los Angeles/1961/1-0/28/]

7.0-0 Nc6 This position was never played befor by Fischer.

8.a3 Ba5 9.Ne2 [9.cxd5 exd5 10.dxc5 /\ b4 10...Bxc3 11.bxc3^ Byrne 11...Bg4 12.c4 d4!? (12...Ne5 13.cxd5 Bxf3 14.gxf3 Qxd5 15.Be2 Qxc5~~ Timman) 13.Rb1+/- Gligoric-Szabo/Beverwijk/1967/]

9...dxc4 10.Bxc4 Bb6 [10...cxd4 11.exd4 h6 12.Bf4 (12.Ba2 Bc7 13.Nc3 Ne7 14.Re1 b6 Hodos-Krogius/USSR ch/1960/; >=12.Qd3 /\ 13.Rad1 nebst eventuell Nf4 Timman) 12...a6 13.Rc1 Ne7 14.Ba2 Bd7 15.Be5 Ned5-/+ Petrosjan-Tolush/USSR ch/1951/; 10...cxd4 11.exd4 Bc7 Smith; 10...Qe7 11.dxc5 Qxc5 12.Ba2 Rd8 13.Qa4 b5 14.Qh4 b4 15.Bd2 /\ 16.Rfc1 +/- Timman]

11.dxc5 [11.Qd3 cxd4 (11...Qe7 /\ Rd8, Bd7-e8) 12.exd4 Byrne]

11...Qxd1 [11...Bxc5 12.Qc2 Byrne /\ 13.b4, 14.Bb2 Timmam]

12.Rxd1 Bxc5 13.b4 Be7 [13...Bb6 Smith]

14.Bb2+/= Byrne

14...Bd7! Byrne [14...b6 15.Nf4 Bb7 16.Ng5 Nd8 17.Rac1 h6? 18.Ngxe6!+- Spassky-Krogius/USSR ch/1958/]

15.Rac1 [15.Bxf6 Bxf6 16.Rxd7?? Bxa1; 15.Kf1!? Smith; 15.e4! Smith 15...Rfd8 (15...e5 16.Nxe5 Nxe5 17.Bxe5 Ba4 18.Re1! Nxe4 19.Nd4 Nd6 20.Bd5+/-) 16.e5 Ne8 17.Ng3! /\ Ne4-c5, Ne4-d6 17...Rac8 18.Rac1 Nb8 19.b5!+/- Timman; >=15.Ned4 Gligoric]

15...Rfd8 16.Ned4 Nxd4 17.Nxd4 [17.Rxd4 Byrne; 17.Bxd4? Ba4 18.Rd2 Rac8-/+ /\ 19... b5 Byrne]

17...Ba4 [17...Rac8 Byrne]

18.Bb3 Bxb3 [18...Rxd4 19.Bxa4+/= Byrne (19.Rxd4? Bxb3-/+) ]

19.Nxb3 /\ Na5 Byrne

19...Rxd1+ 20.Rxd1 Rc8 [20...Rd8? 21.Rc1!+/- Byrne]

21.Kf1 Kf8 22.Ke2 [22.Bxf6 Bxf6 23.Rd7 Rc3= Smith]

22...Ne4 /\ 23... Rc7

23.Rc1 Rxc1 24.Bxc1 f6 [24...Ke8 >= Timman 25.Na5 Nd6 26.Kd3 Kd7 (26...b5= Botvinnik) 27.Nc4 (27.e4 b5= Timman) 27...b5= Smith; >=24...Bf6 25.f3 Nd6 /\ Ke7 Pachmann]

25.Na5 [25.f3 Nd6 26.Na5 Smith (26.Nc5 Botvinnik 26...e5 Purdy) ]

25...Nd6 [25...b6? 26.Nc6-> <<>

26.Kd3 /\ 27.e4 Byrne

26...Bd8 [26...Ke8 /\ 27... Kd7= Byrne]

27.Nc4 Bc7 [27...Nxc4= Byrne; 27...Ke7= Byrne]

28.Nxd6 Bxd6 /\ 29... b5=/+ Pachmann

29.b5 ! Pachmann

29...Bxh2?! Byrne/Smith [29...Ke7 30.h3 (30.Ke4 f5+ 31.Kd4? Bxh2-+) 30...e5 /\ 31... Ke6= Botvinnik]

30.g3 h5 31.Ke2 h4 [31...g5 32.Kf3 g4+ 33.Kg2 h4 34.Kxh2 h3 35.f3 f5 36.e4 Ke7 37.Be3 a6 38.bxa6 bxa6 39.exf5 exf5 40.fxg4 fxg4 41.Kg1 Ke6 42.Kf1 Kd5 43.Bg1 Kc4 (43...Ke4 44.Ke2+-) 44.Ke2 Kb3 45.Ke3 Kxa3 46.Kf4+- Timman]

32.Kf3 [32.gxh4 Bd6=/+ Byrne]

32...Ke7 [32...h3 33.Kg4 Bg1 34.Kxh3 Bxf2 35.Bd2!+- Byrne; 32...g5?! 33.Kg2 (33.e4? h3= 34.Be3 Bg1 /\ 35... g4 -+ 35.g4[] a6 -/+/-+ Purdy) 33...g4 34.Kxh2 h3 35.e4 /\ 36.f3 +- Byrne (35.f3 f5 36.e4 Ke7 37.e5!!+- /\ Kf1-.., Bg1 Purdy ) ]

33.Kg2 hxg3 34.fxg3 Bxg3 35.Kxg3 Kd6 36.a4 /\ Ba3 Byrne [36.e4 Kc5 37.Be3+ Kxb5 38.Bxa7 g6 /\ 39... f5 = Pachmann (38...Kc4 39.Kf3 Kd3 /\ e5, g7-g5-g4 = Gligoric) ; 36.Kg4 g6 37.Bb2 e5= Gligoric]

36...Kd5 [36...Kc5 37.Ba3+ Kc4 38.Bf8 g6 39.Be7+- Smith 39...f5 40.Kf4+- Pachmann]

37.Ba3 Ke4 ?? Pachmann [>=37...e5 Smith 38.Kg4 g6 39.Be7 f5+ 40.Kg5 (40.Kf3 Kc4 41.Bd6 Kd5 42.Bb8 a6 43.b6 g5=) 40...Ke4 41.Bc5 (41.Kxg6 f4=; 41.Bd8 Kd5 42.Bc7 Ke4 43.Kxg6 f4 44.exf4 exf4 45.Kf6 f3 46.Bg3 Kd5 47.Bf2 b6 48.Ke7 Kc4 49.Kd7 Kb4 50.Kc6 Kxa4 51.Be1 Kb3 52.Kb7 (52.Kd5 Ka4 53.Kc4 Ka3=) 52...Kc4=) 41...b6? 42.Bxb6! axb6 43.a5!+- Purdy; 37...a6!= 38.b6 (38.bxa6 bxa6=; 38.Bf8 axb5 39.axb5 Ke4 40.Bxg7 (40.Kf2 f5 41.Bxg7 e5 /\ f4 =; 40.Bc5 e5= Purdy) 40...Kxe3 41.Bxf6 b6 42.Bd8 Kd3 43.Bxb6 Kc4=; 38.Kf4 g5+ 39.Kf3 axb5 40.axb5 g4+! 41.Kxg4 Ke4 42.Bc5 e5 43.Kh5 f5 44.Kg6 f4 45.exf4 exf4 46.Kf6 Kd5 47.Bf2 b6!= Purdy) 38...Kc6 39.a5 (39.Bf8 Kxb6 40.Bxg7 Ka5 41.Bxf6 Kxa4 42.Kf4 b5 43.Ke5 b4 44.Kxe6 b3 45.Kd5 Kb4! (45...Ka3?) 46.e4 a5= Purdy) 39...Kd5; 37...Kc4 38.Bf8 Kb3 (38...g6 39.Be7 f5 40.Kf4 Kb3 41.a5 Kc4 42.Kg5! Kxb5 43.Kxg6 Kxa5 44.Kf6+-) 39.Bxg7 (39.a5 Ka4 40.a6 b6 41.Bxg7 Kxb5 42.Bxf6 Kxa6 43.Kf4 Kb5 44.Bd4+- Purdy) 39...Kxa4 40.Bxf6 Kxb5 41.Kf4 Kc4 42.Bd4 /\ 43.Ke5 +- Timman]

38.Bc5! [38.Kf2 Byrne]

38...a6 [38...b6? 39.Bxb6+- axb6 40.a5 bxa5 (40...Kd5 41.a6+-) 41.b6+- Byrne]

39.b6! f5 [39...e5 40.Kg4 (40.Bf8 Kxe3 (40...g6 41.Bh6 f5 42.Kh4 f4 43.exf4 exf4 44.Kg4 f3 45.Kg3+- Purdy) 41.Bxg7 Kd4! 42.Bxf6 Kc5 43.Bd8! Kb4 44.Kf3 Kxa4 45.Ke4 Kb5 46.Kd5! a5!= Prins (46...e4 Botvinnik 47.Kd6 a5 48.Kc7 Ka6 49.Bg5 a4 50.Bc1!+- Purdy) ) 40...g6 (40...Kd5 41.Bf8 g6 42.Be7 Ke6 43.Bd8!+- /\ e4, Kc4 nebst Zugzwang Timman) 41.a5 (41.Kg3! f5 42.Kh4 f4 43.exf4 Kxf4 (43...exf4 44.Kg5+-) 44.Be7! e4 45.Bg5+ Kf3 (45...Kf5 46.Bd2+-) 46.Bc1! e3 47.Kg5 e2 48.Bd2 Kf2 49.Kxg6+- Pachmann; 41.Be7 Kxe3 42.Bxf6 e4 (42...Kd4= Timman) 43.Kg5 Kd3 44.Kxg6 Kc4 45.Kf5 Vergleiche Partie. Gligoric) 41...Kd5 42.Be7 f5+ 43.Kg5 f4 /\ Kc8/Ka8 44.exf4 exf4 45.Kxf4 Ke6 /\ Kc8, Ka8 Byrne; 39...Kd5 40.Bf8 g6 41.Be7 f5 42.Kf4+- Pachmann]

40.Kh4 /\ Kg5-g6-c7 +-

40...f4? Byrne [40...Kd5 41.Bd4 (41.Bb4! Kc6 (41...Ke4 42.Bd2 Kd3 43.Bc1 Kc2 44.Ba3 Kb3 45.Bf8 Kxa4 46.Bxg7 Kb5 47.Kg5+-) 42.Ba5! Kc5 43.Kg5 Kc4 44.Kg6 Kd3 45.Kxg7 Kxe3 46.Kf6+- Pachmann; 41.Ba3? Kc6 42.Bb2 Kxb6 43.Bxg7 Kc5 44.Kg5 Kd5 45.Kf4 b5 46.a5 b4 47.Bb2 Kc4 48.Ke5 Kd3 49.Kxe6 Kxe3 50.Kxf5= Pachmann; 41.Be7 Kc4 (41...Ke4 42.Bg5 g6 43.Kg3 e5 44.Bh6 Kd5!= Wade) 42.Bg5 e5 /\ f4 = Gligoric; 41.Bf8 g6 42.Kg5 Ke4 43.Kf6! Kxe3 44.Kxe6 Kd4 45.Kd7 f4 46.Bd6 f3 47.Bg3+-) 41...e5 42.Bc3 f4! (42...Ke4 43.Kg5 f4 44.exf4= Gligoric) 43.exf4 exf4 44.Kg4 Kc5 45.a5 (45.Ba5 g5 46.Kxg5 Kd6 47.Kxf4 Kd7 48.Kf5 Kc8; 45.Ba5 g5) 45...g5 46.Kxg5 Kd6 47.Kxf4 Kd7 48.Kf5 Kc8 /\ Kb8, Ka8 Byrne 49.Be5 Kd8 50.Ke6 Kc8 51.Bd6 Kd8 52.Bc7+ Kc8=]

41.exf4 Kxf4 42.Kh5! Kf5 [42...g5 43.Kg6! g4 (43...Kg4 44.Kf6 e5 45.Bd6+- Gligoric) 44.Bd6+ e5 45.Kf6 g3 46.Bxe5+ Kf3 47.Ke7 g2 48.Bd4+- /\ Kb7 Byrne; 42...e5 43.Kg6 e4 44.Kxg7 e3 45.Bxe3+ Kxe3 46.Kf6 Kd4 47.Ke6 Kc4 48.a5+- Purdy]

43.Be3 [‹43.Bf2 g5 44.Be3 g4 45.Kh4 Ke4 Timman; 43.Be7+- Timman]

43...Ke4 [43...g6+ 44.Kh6 Kf6 45.Bd2 Kf5 46.Bg5 e5 47.Bd2 Kf6 48.Be3 Kf5 49.Bg5+- Zugzwang. Pachmann]

44.Bf2 [44.Bc1+- Botvinnik 44...Kf5 (44...Kd3? 45.Kg6 Kc2 46.Kxg7! Kxc1 47.Kf6+-; 44...Kd5 45.Kg6 Kc5 46.Be3+ Kb4 47.Kf7 (47.Kxg7? Kxa4 48.Kf6 Kb5 49.Kxe6 Kc6= Wade) 47...Kxa4 48.Kxe6 Kb5 49.Kd7 a5 50.Kc7 Ka6 51.Bd4 g5 52.Bf6 g4 53.Be5 a4 54.Bd6+- Purdy) 45.Bg5 e5 46.Bc1 e4 47.Be3 Vgl. Partie]

44...Kf5 45.Bh4 e5 [45...g6+ 46.Kh6 e5 47.Bg5 e4 48.Bd2 Kf6 49.Be3 Kf5 50.Bg5 Zugzwang +- Byrne]

46.Bg5 e4 47.Be3 Kf6 [47...g6+ 48.Kh4 Kf6 49.Kg4+- Byrne]

48.Kg4 Ke5 49.Kg5 Kd5 50.Kf5 a5 [50...Kc4 51.Kxe4 Kb4 52.Kd5 Kxa4 53.Kd6 /\ 54... Kc7 Byrne]

51.Bf2 Zugzwang [51.Bd2? Kc5 52.Bxa5 e3= Timman]

51...g5 52.Kxg5 Kc4 53.Kf5 Kb4 54.Kxe4 Kxa4 55.Kd5 Kb5 56.Kd6 [56.Kd6 a4 57.Kc7 Ka6 58.Bc5 Kb5 59.Bf8 Ka6 60.Be7+-] 1-0