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Vitaly Sergeevich Sherbakov vs Semyon Abramovich Furman
USSR Championship (1955), Moscow URS, rd 8, Feb-22
Spanish Game: Morphy Defense. Breyer Defense Quiet Variation (C94)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Nov-25-17
Premium Chessgames Member
  Fusilli:


click for larger view

32.g3 and black can't defend that!

...

Or does he?

32...Qxe4 33.Bxe4 Be8!

oops...

Dec-06-17
Premium Chessgames Member
  patzer2: Missed this Wednesday (32...?) puzzle big time with 32...Be8? which fails to 33. Nx6+ +- (+11.68 @ 34 ply, Stockfish 8).

No doubt White saw this in the game and prepared the Queen trap with 32...Qxe4! 33. Bxe4 Be8 -+ (-4.72 @ 35 ply, Stockfish 8).

The key to finding the winning move 32...Qxe4! is realizing:

1. Black cannot allow White to play 33. NxN+ +-.

2. After eliminating the White Knight with a sham Queen sacrifice, White's Queen can be trapped to force an even exchange of material.

3. Black is up a piece. So to reach a won position all that has to be done is to make even material exchanges.

P.S.: White's game takes a turn for the worse with 29. Re6? allowing 29...fxe6 ∓ (-1.28 @ 34 ply, Stockfish 8). Instead, 29. Ne4 = (-0.12 @ 30 ply, Stockfish 8) holds it about level.

Dec-06-17  Huddsblue: I was wasting my time looking for a white combination here :-D

It looks so natural that white will win, so all I can say is it's a great defence by black.

Dec-06-17
Premium Chessgames Member
  gofer: I looked at Be8 when I saw the queen trap, but then realised that if the queen trap was playable, then Qxe4 made it doubly so, because the queen trap is still on if white plays Bxe4 and if white plays Qxe4 then we simply re-take with the knight.

<32 ... Qxe4!>
<33 Bxe4 Be8>

That's about as far as I got, a little lazy perhaps...

Dec-06-17  erimiro1: Poor White - he was sure that he's going to pick up the point, but in 2 moves it all went down. A deep bold and also rare defense-combination by GM Furman from 29th. move or even earlier. 29. Re6 looks so tempting and promising that I can't blame white for not seeing the trap.
Dec-06-17  saturn2: The situation is tricky. The queen is attacked and NxNf6 is a big threat. I saw that with 32..QxN followed by 33 Be8 white keeps the plus piece. (Or 33 QxQ NxQ)
Dec-06-17
Premium Chessgames Member
  agb2002: Black has a rook for a pawn.

White threatens gxh4 and Nxf6+ if the black queen ceases to control f6.

The white queen doesn't have any free square. Therefore, 32... Qxe4 33.Bxe4 Be8:

A) 34.Bxf6 Bxg6 wins decisive material (35.Bxg6 Rxf6 36.d6 Rxg6 37.d7 Bf6; 35.Bxg7 Kxg7).

B) 34.Qxg7+ Kxg7 35.dxe6 Kg8 with the idea Nh5, Ng7, h5, Nf5, etc.

C) 34.dxe6 Bxg6 35.Bxg6 Nd5 36.Bc5 Bf6 stops the e-pawn and prepares to capture it (37.Bxf8 Kxf8 38.Be4 Nc7 followed by Ke7, etc.).

Dec-06-17  mel gibson: I didn't see that.

The computer says:

32. g3
Qxe4 (32. .. Qxe4 (♕h4xe4 ♗c2xe4 ♗d7-e8 ♕g6xg7+ ♔g8xg7 d5xe6 ♗e8-g6 ♗e4-c6 ♖f8-d8 ♗d4-e5 ♗g6-e8 ♗c6-e4 a4-a3 b2xa3 ♖d8-d1+ ♔g1-g2 ♖d1-e1 f2-f3 ♖e1-e2+ ♔g2-f1 ♖e2xa2 g3-g4 ♖a2xa3 f3-f4 ♖a3-e3 ♗e4-f5 h6-h5 g4-g5 ♖e3xe5 f4xe5 ♘f6-d5) +3.84/20 96)

score for Black +3.84 depth 20

Dec-06-17
Premium Chessgames Member
  cocker: 32 ... Qxe4 for want of anything better.
Dec-06-17  Whitehat1963: Didnít BEGIN to see that! Itís only Wednesday?
Dec-06-17
Premium Chessgames Member
  malt: Noticed the white Queen has no safe square, after Be8 32...Q:e4 33.B:e4 Be8 34.Q:g7+ K:g7
35.de6 Bg6
Dec-06-17  njchess: Not sure of the point of this puzzle. Black's moves all seem very forced to me. Black has little choice but to play Qxe4, otherwise it is mate sooner than later. Be8 is a sweet move, though not terribly difficult to see. After that, White's attack vanishes and Black is left a rook up.
Dec-06-17  5hrsolver: I too made a mistake with 32...Be8
Dec-06-17
Premium Chessgames Member
  lost in space: Haven't seen the 33. Be8! queen trap
Dec-06-17
Premium Chessgames Member
  catlover: Didn't get the puzzle, but sure enjoyed seeing the elegant winning sequence unfold in what looked like a lost position for black.
Dec-06-17  wooden nickel: Nevertheless, White played a brilliant gameÖ this goes to show that lost games can also be treasurable!
Dec-06-17  sudoplatov: I also got as far as ...Qe4 and ...Be8 but it seemed that Black was now ahead in material.
Dec-06-17  lzromeu: Awesome
Trap of the trap
double trap
The Queen is trapped, but not, your that was
Dec-06-17
Premium Chessgames Member
  patzer2: What I missed in my miscalculation with 32...Be8? 33. Nxf6+ Qxf6 (diagram below)


click for larger view

was that White is not forced to make a losing exchange with 34. Bxf6? Bxg6 -+ or 34. Qxe8 Rxe8 35. Bxf6 Bxf6 -+.

Instead, in the diagram position above, White simply plays the in-between move (a.k.a. zwischenzug) sequence 34. Qh7+ Kf7 35. Bxf6 Kxf6 36. dxe6 +- which wins by removing the White Queen to safety with check and then capturing the Black queen.

Dec-06-17  BOSTER: I saw B e8,and I saw Qxe4, but could not count 2+2.Heisman'd say <a poor process for move selection>.
Dec-06-17
Premium Chessgames Member
  Bubo bubo: Black is currently up a rook, but the attacked black queen is in trouble, as she has no save retreat: Qg4 or Qh5 fail to <removal of the guard> Nxf6+, and after 32...Qh3 33.Nxf6+ Rxf6 (33...Kh8 34.Qh7#) 33.Bxf6 mate is unstoppable.

One might consider a tit-for-tat tactic by attacking the white queen in turn, but after 32...Be8 33.Qxg7+ Kxg7 34.gxh4 White will win the exchange thanks to the pin of the Nf6, and Black's material advantage evaporates.

Therefore the only hope is go <kamikaze> with the black queen: 32...Qxe4! Now 33.Qxe4 Nxe4 is simply a trade of queens and knights, and after 33.Bxe4 Be8! suddenly the white queen is trapped, so Black wins her for a bishop and remains up a rook. Nice!

Dec-07-17
Premium Chessgames Member
  kevin86: Both queens get into a sticky wicket.
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