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Paul Keres vs William Winter
"Invasion of the Pawn Snatchers" (game of the day Dec-30-2004)
Warsaw Olympiad (1935), Warsaw POL, rd 14, Aug-26
Sicilian Defense: Nimzowitsch. Advance Variation (B29)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 4 ·  Later Kibitzing>
Aug-24-12  Cemoblanca: ...& that good old Keres saw after 18.Rxe4! a mate in #17! Nevertheless, here is the "Speedy Gonzales" version: 18.Qf6+ Kg8 19.Qe6+ Kg7 20.Bf6+ Kh7 21.Qf7+ Kh6 22.Qg7+ Kh5 23.Qh7+ Kg4 24.Qh3+ Kf4 25.g3+ Kf3 26.Re3#
Aug-24-12
Premium Chessgames Member
  keypusher: <miguel12: <WMD: Keres annotated this game and wrote: 'If however, Black had played 14...Kf8, then I had prepared the following variation: 15.Rfe1 Bd7 16.Qf3+ (also good is 16.Re3) 16...Kg8 17.Be7! and White wins.' But here Black can play 17...Bxh2+ 18.Kxh2 Nc6 and the game continues.> I completely agree...I own Vukovic's Art of Attack and it gives 17 Bxe7 as winning (17...Bxe7 18 Rxe7 ), but CM 8000 agrees with 17...Bxh2+ 18. Kxh2 Nc6 - I guess Vukovic took Keres' own analysis as the truth, instead of analyzing other options for black. I cant see a forced win for white in this line, although black will have to solve his Rh8 problem.>

Keres' alternative, 16.Re3, is crushing. Shredder gives 16....Be5 17.Rf3+ Bf6 18.Bxf6 gxf6 19.Qh6+ Ke8 20.Qxf6 and it's quite hopeless.

Aug-24-13  sfm: Easy - as the game is so famous. ;-)
Aug-24-13  bubuli55: Black's Qside is pretty much well protected. Going by the flow of the game, Nf7 is easy to spot. The Kside is also less defended. My continuations deviated with Qf6+ first followed by Rxe4 instead of the game's Rxe4 then Qf6+
Aug-24-13  patzer2: <trnbg: <patzer2: Kere's 18. Rxe4! dxe4 19. Qf6+ sets up a nice deflection mate: [19...Ke8 20. Qe6+ Kf8 21. Bh6#; 19...Kg8 20. Qxg6+ Kf8 21. Qxd6+ Kf7 22. Qf6+ Kg8 23. Bh6 ]> 23. ...Qc7, and then? No mate in sight (23.Qf8+ ..Kh7)>

After 23...Qc7?? (position below)


click for larger view

it's mate-in-three after 24. Qxc7 Nd7 25. Qxd7 any 26. Qg7#.

However, 23...Qc3 24. Qxb7 though leaving White an easy win does delay mate. To speed up the process, 23. Bf6 (position below)


click for larger view

denies White the 23...Qc3 counter play and forces a quick mate in five or less.

Aug-24-13
Premium Chessgames Member
  al wazir: I naturally figured that 13. Nxf7 was the first move in the combination; f7 is almost always a weakness for the uncastled black ♔, as h7 is for one that has castled K-side.

But I couldn't see a win after 13...Bxh2+ 14. Kxh2 Qc7+ 15. g3 Qxf7. I still can't.

Aug-24-13  M.Hassan: "Very Difficult"
White to play 13.?
White is 3 pawns down.

13.Qe2 with the intention of later Nc6+ and picking up the Black Queen.

13............Bxe5
14.Qxe5+ Kd7
15.Rxb2 f6
16.Bf5+ Kc6
17.Rc1+ Qc5 (to prevent mate)
18.Rxc5+ Kxc5
19.Qc3+ Kd6
20.Bf4+ Ke7
21.Bxc8 Nc6
White is stronger and should win
I'll see how the game continued

Aug-24-13  patzer2: After a lapse of eight years before seeing the position again, I recalled 13. Nxf7!! Kxf7 14. Qh5+, but was stumped in finding a continuation after the expected 14...Kf8 15. Rfe1 Bd7 (position below).


click for larger view

Here, Fritz 12 indicates the strong 16. Re3! is the only decisive move. It's easy to see 16. Re3! wins after the computer recommends the move. However, I missed visualizing this strong Rook lift four moves ahead in calculating 13. Nxf7!!

Aug-24-13
Premium Chessgames Member
  JimmyRockHound: How does white continue if black plays: 14. ...Kf8 ?
Aug-24-13
Premium Chessgames Member
  JimmyRockHound: patzer2 answered my question before I posted it! Good work!
Aug-24-13  patzer2: <al wazir><But I couldn't see a win after 13...Bxh2+ 14. Kxh2 Qc7+ 15. g3 Qxf7. I still can't.> It's good you visualized it. I didn't consider 13...Bxh2+ in my calculation.

After 13...Bxh2+ 14. Kxh2 Qc7+ (position below),


click for larger view

I like the computer recommendation 15. Ne5!


click for larger view

Here, 15...Qxe5 16. f4! yields a crushing attack against the exposed Black King position. If 15...O-O 16. f4! , the extra piece should win easy.

Aug-24-13  RandomVisitor: Black appears doomed even as far back as 12.Nxe5:


click for larger view

Rybka 4.1 x64:

[+0.96] d=20 12...Bb4 13.Qc2 Qc5 14.Qxb2 Ba3 15.Rfc1 Bxb2 16.Rxc5 Na6 17.Bb5+ Kf8 18.Rxc8+ Rxc8 19.Nd7+ Kg8 20.Rxb2 f6 21.Bf4 Rd8 22.Bxa6 bxa6 23.Rb7 Re8 24.Bd2 Kf7 25.Ne5+ Ke6 26.Nc6 g5 27.Rxa7 Ra8

Aug-24-13  radtop: What happens if 13. Nxf7 Bxh2+

If white plays 14. Kxh2 0-0

Aug-24-13  stacase: 13 Nxd7 is fairly obvious, and it sort of plays it self after that.
Aug-24-13  morfishine: <radtop> Good point

*****

Aug-24-13  newzild: <radtop: What happens if 13. Nxf7 Bxh2+. If white plays 14. Kxh2 0-0>

13. Nf7 Bxh2+
14. Kxh2 0-0
15. Qh5

and mates, eg

15...h6
16. Qg6

or ...

15...g6
16. Bxg6

Aug-24-13
Premium Chessgames Member
  whiteshark: I've been here before, but that was way back.
Aug-24-13  kabirbel: N×f7 is a good way to expose the king, activate the queen and get a advantageous position
Aug-24-13  KlingonBorgTatar: First saw this game when I was a teenager in the 70's. Still gives me the thrills.
Aug-24-13  KlingonBorgTatar: Nice pun!!
Aug-24-13  RandomVisitor: After 11.Rb1:


click for larger view

Rybka 4.1 x64:

[+0.63] d=20 11...h6 12.Bf4 dxe5 13.Bxe5 Be7 14.Bxg7 Rg8 15.Be5 Nc6 16.Rxb2 h5 17.Kh1 h4 18.h3 Kf8 19.Bf4 Qc3 20.Bh6+ Ke8 21.Re2 Qf6 22.Bc1 Be6 23.Bb2 Qf4

Aug-24-13
Premium Chessgames Member
  Dr. Funkenstein: White to play…. Keres is down 3 pawns so clearly he has a tactical shot of some sort planned that the rest of us need to find…

13. Nxf7 threatening the d6 bishop and h8 rook

13. …Kxf7 14. Qh5+

…g6 15. Bxg6+ hxg6 16. Qxh8 looks good with open lines to attack

…Kf8 16. Rfe1 Bd7 17. Re3 threatening Rf3+

…Kg8 16. Rfe1 g6 (Bd7 17. Re8+ Bxe8 18. Qxe8+ Bf8 19. Qe6#) 17. Bxg6

13. …Qc7 14. Nxh8 doesn’t look good for black even with the knight in the corner temporarily

--

Didn’t fully analyze 13. …Bxh2+ 14. Kxh2 Qc7+ and I doubt I would have found 15. Ne5! In this line

Aug-24-13  RandomVisitor: After 10.0-0 black needs to try something else in order to avoid a white advantage:


click for larger view

Rybka 4.1 x64:

[+0.00] d=21 10...Nc6 11.Re1 Be6 12.bxc3 h6 13.Bd2 0-0-0 14.exd6 Bxd6 15.Rb1 Rhe8 16.Nd4 Bd7 17.Nxc6 Rxe1+ 18.Bxe1 Bxc6 19.Qg4+ Bd7 20.Qxg7 Qxa2 21.Qxh6 Re8 22.Bd2 Re6 23.Qg5 Re5 24.Qg8+

Aug-24-13
Premium Chessgames Member
  kevin86: Eight of black's first eleven moves were wuth pawns. He had triplets on move 8-a great receipe for defeat.
Aug-24-13  gofer: I looked at Nxf7 for a long time. Black can reply with Bxh2+, O-O and Kxf7. After I had managed to avoid the complications of Bxh2+ with Kh1 everything became a lot clearer. Black has to accept the knight sacrifice!

<13 Nxf7 ...>

13 ... O-O
14 Nxd6

13 ... Bxh2+
14 Kh1 Kxf7 ( O-0 Qh5 )
15 Qh5+ g6 (Kf8 Rfe1 )
16 Qf3+ Kg8 (Ke8 Qf6 or Ke6/Kg7 Qf6+ or Bf4 Bxf4 )

17 Rfe1 Bd7
18 Be7

<13 ... Kxf7>
<14 Qh5+ ...>

14 ... Ke6+ 15 Bf5+

14 ... Kf8 15 Rfe1 Bd7 16 Qf3+ Kg8 17 Be7

14 ... Kg8 15 Qe8+ Bf8 16 Qxc8

<14 ... g6>
<15 Bxg6+ hxg6>
<16 Qxh8 ...>

At which point, white has ripped open black's defenses. A single solitary pawn stands up in front of the king and defending that AND the two loose bishops is a tall order...

~~~

Yep!

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