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1. d4 Notes from various sources. 1... Nf6
2. c4 g6
3. g3 c6
4. Bg2 d5
5. cxd5 5.Qb3 maintains more tension. -- Fischer; JLJ - [+0.16] d=34 5.cxd5 cxd5 6.Nf3 Bg7 7.Nc3 Nc6 8.Ne5 O-O 9.O-O Bf5 10.Be3 Qb6 11.Bxd5 Nxd5 12.Nxd5 Qd8 13.Nxc6 bxc6 14.Nc3 Qb8 15.Qc1 Rd8 16.Rd1 Qb4 17.a3 Qc4 18.Rd2 Bxd4 19.Qd1 Bb6 20.Bxb6 5... cxd5
6. Nc3 Bg7
7. e3 O-O
8. Nge2 Nc6
9. O-O b6
10. b3 It's hard for either side to introduce an imbalance into this essentially symmetrical variation. Deadeye equality also ensues afer 10.Nf4 e6 11.b3 Ba6 12.Re1 Rc8 13.Ba3 Re8 14.Rc1 (Stahlberg-Flohr, Kemeri 1937) -- Fischer 10... Ba6
11. Ba3 After White's 11th move I should adjudicate his position as slightly superior, and at worst completely safe. To turn this into a mating position in eleven more moves is more witchcraft than chess! Quite honestly, I do not see the man who can stop Bobby at this time. -- K.F. Kirby, South African Chess Quarterly 11... Re8
12. Qd2 JLJ - [-0.08] d=30 12.Re1 Rc8 13.Rc1 e5 14.h4 exd4 15.Nxd4 Nxd4 16.exd4 Qd7 17.Re5 Bb7 18.Rc2 Ng4 19.Rxe8+ 12...e5 ! I was a bit worried about weakening my QP, but felt that the tremendous activity obtained by my minor pieces would permit White no time to exploit it. 12...e6 would probably lead to a draw. -- Fischer
13. dxe5 Nxe5
14. Rfd1 "Add another to those melancholy case histories entitled: The Wrong Rook." -- Fischer ~ "This is very much a case of 'the wrong rook'. One can understand Byrne's desire to break the pin on the e2-knight, but this turns out to be less important than other considerations. Fischer spends a lot of time and energy analysing the superior 14. Rad1!, but still comes to the conclusion that Black can keep the advantage." -- John Nunn 14... Nd3 Now it's all systems go for the Fischer rocket. -- Robert Wade
15. Qc2 There is hardly any other defense to the threat of ...Ne4. -- Fischer 15... Nxf2 ! The key to Black's previous play. The complete justification for this sac does not become apparent until White resigns! -- Fischer
16. Kxf2 Ng4
17. Kg1 Nxe3
18. Qd2 Byrne: As I sat pondering why Fischer would choose such a line, because it was so obviously lost for Black, there suddenly comes... 18... Nxg2 !! This dazzling move came as the shocker... the culminating combination is of such depth that, even at the very moment at which I resigned, both grandmasters who were commenting on the play for the spectators in a separate room believed I had a won game! -- Robert Byrne
19. Kxg2 d4 !
20. Nxd4 Bb7 The King is at Black's mercy. -- Fischer
21. Kf1 In a room set aside for commentaries on the games in progress, two grandmasters were stating, for the benefit of the spectators, that Byrne had a won game. Byrne's reply to Fischer's next move must have been jaw dropping! -- Wade 21... Qd7 And White resigns. Fischer writes: "A bitter disappointment. I'd hoped for 22.Qf2 Qh3+ 23.Kg1 Re1+!! 24.Rxe1 Bxd4 with mate to follow shortly."
Fischer: [after the suggested improvement 14.Rad1] "Finally I found 14...Qc8! - the only move to keep the pressure. Now on 15. Nxd5 Nxd5 16. Bxd5 Rd8 17. f4 Rxd5! 18. Qxd5 Bb7! 19. Qd8+ (if 19. Qd2 Qh3! 20. Nd4 Ng4 21. Rfe1 [or 21. Nc2 h5 with a strong attack] Nxe3! should win) Qxd8 20. Rxd8+ Rxd8 21. fxe5 Bxe5 with a better ending. And on 15. Rc1 Qd7! 16. Rcd1 Red8 Black has finagled a precious tempo, since his Queen is on d7 instead of d8. After 14...Qc8! relatively best is 15. Bb2 (if 15. Qc1 Ne4 16. Nxd5 Bxe2 17. Bxe4 Kh8! wins the Exchange. One possible line is 18. Qxc8 Raxc8 19. Ne7 Rc7 20. Rc1 Rd7 21. Rfe1 Bf3!) although Black keeps the initiative with ...Qf5."
After 14.Rad1:
Deep Rybka 4.1 x64:
[-0.21] d=34 14...Qd7 15.Nf4 Bxf1 16.Kxf1 Ne4 17.Nxe4 Qb5+ 18.Kg1 dxe4 19.Bxe4 Nc6 20.Bd3 Qe5 21.Qc2 Ne7 22.Bxe7 Qxe7 23.Nd5 Qe5 24.Bc4 Rac8 25.Qe2 Red8 26.Qd3 Kh8 27.f4 Qb2 28.Rd2 Qa1+ 29.Kg2 Bc3
[-0.16] d=34 14...Qc8 15.Bd6 Nd3 16.Nxd5 Nxd5 17.Bxd5 Rd8 18.Bxa8 Qxa8 19.Ba3 Bf6 20.e4 Qxe4 21.Qe3 Qc6 22.Be7 Re8 23.Rxd3 Bxe7 24.Nd4 Qd7 25.Re1 Bxd3 26.Qxd3 Rd8 27.Qc4 Bc5 28.Nf3 Qf5 29.Kg2 Rd3
[-0.19] d=32 14...Qc8 15.Bd6 Nd3 16.Nxd5 Nxd5 17.Bxd5 Rd8 18.Bxa8 Qxa8 19.Ba3 Bf6 20.e4 Qxe4 21.Qe3 Qc6 22.Be7 Re8 23.Rxd3 Bxe7 24.Nd4 Qd7 25.Re1 Bxd3 26.Qxd3 Rd8 27.Qc2 Bb4 28.Re4 Bc5 29.Nf3 Qd1+
After 14.Rad1 Qc8 15.Bd6 Nd3 16.Nxd5 Nxd5 17.Bxd5 Rd8 18.Bxa8 Qxa8 19.Ba3 Bf6 20.e4 Qxe4 21.Qe3 Qc6 22.Be7 Re8 23.Rxd3 Bxe7 24.Nd4 Qd7 25.Re1 Bxd3 26.Qxd3 Rd8 27.Qc4 Bc5 28.Nf3:
Deep Rybka 4.1 x64:
[-0.17] d=27 28...Qf5 29.Kg2 Kg7 30.Re2 Rd3 31.Ne5 Rd4 32.Qc2 Qe6 33.Nf3 Qc6 34.Qc3 Kg8 35.Rc2 Rd1 36.Rc1
[-0.16] d=27 28...a5 29.Re2 Qf5 30.Kg2 Kg7 31.Qc2 Qd5 32.h4 Qb7 33.Qc3+ Bd4 34.Qc2 Rc8 35.Qe4 Qxe4 36.Rxe4 Bc5 37.Re2 Rd8 38.Ne5 f5 39.Nc4 Kf7 40.Rc2 Bd4 41.Kf3
Can anyone find an improvement for black?
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