Why Did Fischer play 17) ...Qxf4

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Psalm25

Psalm25

From the above position in the game Botvinnik-Fischer in 1962, Fischer played 17) ...Qxf4. Why couldn't Botvinnik win a piece by 18) Qxb6 followed by the capture of the queens.

Botvinnik missed why in home analysis - Fischer figured it out over the board and won a pawn against the then-world champion!

The game ended in a draw

x-5058622868

it looks like 17...Qxf4 18. Bxf4 Nxc5

If 18. Qxb6 Qb4+ 19. Bd2 Qxd2 20. Rxd2 Nxb6

YuvalW

It doesn't really lose a piece since after 18.Qxb6 Qb4+ white is forced to play 19.Bd2 followed by 19...Qxd2+ 20.Rxd2 NxB6(Pa/cxb6)

Even better:

18... Qe4 19.f3 Qh4+ 20.Qf2 Qb4+ winning the queen

Psalm25

Yes, but then Fischer (who was playing black) would win a pawn.

Why couldn't Botvinnik play 18) Qxb6 and win a knight after 18)...pawn takes queen and 19) Bishop takes queen

Psalm25

It's even better:) Fischer could save his queen and force Botvinnik to lose his:)

Markle

18. Qxb6, Qb4 wins for Black, sorry did not see the posts above about 18...Qb4

Psalm25

Here's the variation Fischer saw over the board that Botvinnik missed in home analysis...

17) ...Qxf4.

18) Qxb6

18)...Qb4+

19) Bd2

19) ...Qe4 (threatens rook)

20) Rook moves

20) ...pawn takes queen

Psalm25

Yes, you guys saw the Qb4:) The rest is interesting after Botvinnik blocks the check with Bd2.

No longer have Fischer's "My 60 Memorable Games," which had extensive notes on this game. Can't believe Kasparov didn't include it in his Great Predecessors volume on Fischer, Najdorf and Larsen

YuvalW
 
I'm a bit rusty so it took me too long to find this one out :p
Edit: Put it into stockfish now, The variant given here is best for black (not optimal play from white though). Qb4+ wins as well obviously.
Psalm25

I may have messed some of that up; had to remember the variation instead of looking it up

Psalm25

Thank you! That was the correct variation! I did mess it up haha

Psalm25

That's how Fischer would have saved his queen.

Sorry for faulty post

x-5058622868

Nice. I had considered Qe4, but didn't see the rest of the line.

Psalm25

I messed that up but the correct variation that Fischer saw over the board (that YuvalW posted with the diagram) is really interesting.

What was most surprising to me was that Botvinnik admitted he (Botvinnik) missed that variation while studying the opening at home and that Fischer found it over the board in their game

InfiniteFlash

well after Qe4 f3 Qh4+ Bf2 Qb4 black wins, this is one important line, cool position thanks for sharing.

Psalm25

Yes, imagine if Botvinnik fell for that. The world champion would have lost his queen in just over 20 moves. Botvinnik must have known something was up when Fischer grabbed the f-pawn on his 17th move. Wish I knew how long Botvinnik thought after that. He eventually saw it, though, and only lost a pawn instead of his queen

Psalm25

Thanks to YuvalW for posting the correct variation and diagram. Pay no attention to my earlier posts:)

eddysallin
Psalm25 wrote:

From the above position in the game Botvinnik-Fischer in 1962, Fischer played 17) ...Qxf4. Why couldn't Botvinnik win a piece by 18) Qxb6 followed by the capture of the queens.

Botvinnik missed why in home analysis - Fischer figured it out over the board and won a pawn against the then-world champion!

The game ended in a draw

After Qxn,fischer would play Qb4+,bd2,Qxb+,kxQ,nxQ......b&p for n.

PIRATCH

Indeed, Botvinnik was shocked that Fischer found this move he (Botvinnik) had not found in several hours home analysis! Laughing

Fischer wrote in MSMG: "I was sure he had missed this move!" Surprised
Unfortunately, Fischer did not win this game! Cry