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Erich Eliskases vs Julio Bolbochan
Mar del Plata Zonal (1951), Mar del Plata ARG, rd 11, Mar-30
Indian Game: London System (A48)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Nov-03-15  Sacrificial King: Unusual daily puzzle, I chuckled at the simplicity of winning a minor piece but.. well put Boerboel Guy
Nov-03-15
Premium Chessgames Member
  agb2002: Black has the bishop pair and a pawn for a bishop and a knight.

White threatens Nxf5 and Nxd5.

The white knight protects the queen. Therefore, 30... Qxe5:

A) 31.Bxe5 Bxf3 - + [B+P].

B) 31.Nxd5 Qxe1+ 32.Kg2 Nxd5 - + [R+N+P].

C) 31.Qxd5+ Rxd5 32.Bxe5 Rxe5 33.bxc6 bxc6 - + [B+P].

D) 31.Qg3 Qc3 - + [B+P].

Nov-03-15  Aware: I wonder if you'll be chuckling on Sunday.
Nov-03-15  YouRang: At first glance, it looks like an even swap. White says: "you take my Q with your B, and I take your Q with my N".

But black alertly plays 30.Qxe5!, taking white's recapturing knight such that it guards his recapturing bishop. With this, black simply goes up a piece.

White can still exchange queens with 31.Bxd5 Bxf3, but black remains up a piece since the B can't be recaptured now.

White can evade the exchange different ways (e.g. 31.Nxd5 Qxd5, or 31.Qg3 Qe4), but black remains up a piece.

May as well resign...

Nov-03-15  unferth: I think I'd have found this quicker OTB than as a puzzle where I spent a minute-plus looking for something more.
Nov-03-15  gofer: White thought he had worked out the exchange correctly...

30 ... Bxf3
31 Nxf5 gxf5
32 Nxf3

But this combination is not there!

<30 ... Qxe5>

31 Nxd5 Qxe1+

<31 Bxe5 Bxf3 >

When he finds out, he resigns immediately. Probably disgusted with himself that he didn't play his other choice <30 Nh4!>, which does seem to lead to better chances for white to draw!


click for larger view

Nov-03-15  saturn2: ...Qxe5 wins a piece. Neither 31 Bxe5 nor 31 Qxd5 nor 31 Nxd5 helps white.
Nov-03-15  morfishine: <30...Qxe5>
Nov-03-15  paavoh: This was an "easy piece" although I was expecting a bit more. 30.- Qxe5 and Qf3 is hanging.
Nov-03-15
Premium Chessgames Member
  patzer2: Today's easy Tuesday solution 30...Qxe5 wins a piece and the game with a neat refutation of a flawed Knight Fork.

One can argue White should have seen it coming before playing the desperate 30. Ne3. However, it didn't really matter as the position was already hopeless. For example, if 30. Qa3, Black simplifies to a won endgame after 30...Re8 31. bxc6 bxc6 32. Nf3 Qxh3 33. Bg3 Rxe1+ 34. Ngxe1 Bf8 35. Qc3 Ne4 36. Qe5 Nxg3 37. Qxg3 Qxg3+ 38. fxg3 h5 (-5.34 @ 27 depth, Deep Fritz 14).

White's game takes a turn for the worse with 16. g4?! Instead, 16. Ne3 = or 16. Qd4 = keeps it level.

White turns a weak plan into a bad plan with 20. g5? Instead, 20. N5c4 Bxc4 21. Nxc4 Qxa2 22. Nd6 Rxe1+ 23. Rxe1 Rf8 24. Nxb7 Qxb2 25. Qxc6 Qd2 26. Kf1 = holds it level.

White overlooks a last chance to fight for a draw with 26. Nxc6 bxc6 27. Rxd8 Rxd8 28. Rxe6 when play might continue 28...Rd1+ 29. Re1 Rxe1+ 30. Nxe1 Qxc4 31. Nd3 Ne4 32. Be5 Bf8 33. Qe3 Qd5 34. f3 Nd6 35. Bxd6 Bxd6 36. Kg2 Qa2+ 37. Kf1 Bf8 (-1.28 @ 21 depth, Deep Fritz 14) with practical OTB drawing chances.

Nov-03-15  Ratt Boy: Simple win of a piece.

30.♘xf5, ♗xf3 31.♘e7+, ♔ any 32.♘xf3 wins.

(Checks game.)

Oh. Black on move, eh? Whoops. Do I get half credit for recognizing the theme?

Nov-03-15  CHESSTTCAMPS: Black has the bishop pair and an extra pawn, while white forks queen and bishop. The lame 30... Bxf3? allows 31.Nxf5 gxf5 32.Nxf3 with black retaining a slimmer material advantage than would be achieved by 30... Qxe5:

A.31.Bxe5 Bxf3 with a winning material advantage (B+passed pawn)

B.31.Nxd5 Qxe1+ followed by Nxd5.

C.31.Qg3 Qe4 32.Ng2 (to prevent Qh1#) Qxg2+ 33.Qxg2 Bxg2 with a winning material advantage.

Nov-03-15  dfcx: White wants to trade the queen, black is already up a pawn, and

30...Qxe5 wins a piece.

A. 31.Qxd5+ Qxd5 32.Nxd5 Rxd5

B. 31.Bxe5 Bxf3

Nov-03-15
Premium Chessgames Member
  varishnakov: 30...QxN and black is up a piece. Very easy, very simple.
Nov-03-15
Premium Chessgames Member
  Mating Net: Black just had to be sure that there were no intermezzos that would allow White to reposition the Queen. Since there are none, 30...Qxe5 wins.
Nov-03-15  docbenway: Stared at this trying to find the win for white and nothing I saw worked and then it dawned on me I was pulling for the wrong team and after applying the Schiller maxim of look at all captures first it fell into place.
Nov-03-15  starry2013: All I can see is QxN. You win a piece as the Q is already under attack.
Nov-03-15  little ernie: The desperado queen.
Nov-03-15  zanzibar: Funny, I first solved it for White!

(Same position - but White to move)


click for larger view

It's a tactical whoever moves first.

(I actually like it a little better as a problem for White)

Nov-03-15  lost in space: 30...Qxe5 and Black wins
Nov-03-15
Premium Chessgames Member
  varishnakov: <(I actually like it a little better as a problem for White)>

It doesn't work for white, does it? If 1.QxB NxQ 2.NxQ PxN and black remains up a pawn with equal number of pieces.

Nov-03-15
Premium Chessgames Member
  varishnakov: Nevermind--I assumed you meant sacrificing the queen would be the solution both ways. White can indeed win if he is to move via NxQ
Nov-03-15
Premium Chessgames Member
  Bubo bubo: 30...Qxe5! removes the white queen's guard and pins the Ne3. After 31.Bxe5 Bxf3 or 31.Qxd5+ Qxd5 32.Nxd5 Rxd5, Black has simply won a piece.
Nov-03-15
Premium Chessgames Member
  perfidious: This desperado is actually easier than the Monday POTD.
Nov-04-15
Premium Chessgames Member
  kevin86: What a move! I mist it!
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