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Vinh Bui vs Hugo Frey Perez
Bled Olympiad (2002), Bled SLO, rd 3, Oct-28
English Opening: Symmetrical Variation. General (A30)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
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Aug-22-17
Premium Chessgames Member
  WorstPlayerEver: Nice but even nicer is:


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Aug-22-17  morfishine: <32...Rc1+> and Black wins

*****

Aug-22-17
Premium Chessgames Member
  malt: 32...Rc1+ 33.Kg2 Q:b4 34.R:b4 R:a1

32...Rc1+ 33.R:c1 Q:b4

Aug-22-17
Premium Chessgames Member
  thegoodanarchist: Did anyone remember the solution from 13.5 years ago? (joke)
Aug-22-17  stacase: Fun stuff 32...Rc1+ and Black has four choices - none very good.

33. Rxc1
33. Qe1
33. Kg2
33. Resignation

Aug-22-17  Tietie007: Nice.
Aug-22-17  patzer2: White's decisive error was of course 32. Qb4?? which allows today's Tuesday solution 32...Rc1+! -+, exposing the Rook on b1 as an overworked piece.

Instead of 32. Qb4??, Stockfish 8 indicates White can practically force the Queen exchange and maintain the extra pawn with a strong advantage with 32. d4! exd4

[32...Rd8 33. Rb4 Qa5 34. Qc3 Rbc8 35. Qxa3 Qxa3 36. Rxa3 exd4 37. Rd3 ± (+1.25 @ 32 depth)]

33. Rb4 Qc2 34. Rxd4 Qxd2 35. Rxd2 ±(+1.01 @ 38 depth.)

P.S.: The blunder 32. Qb4?? reminds me of another country song -- Johnny Cash's "A Boy Named Sue" with the lyric "And if I ever have a son, I think I'm gonna name him Bill or George! Anything but Sue!"

In this game, most any reasonable move other than 32. Qb4?? leaves White in good shape (i.e. 32. d4! ±, 32. Qa2 ±, 32. Ra2 ⩲, 32. Kg2 ⩲.) Almost "anything but 32. Qb4??"

Aug-22-17
Premium Chessgames Member
  Fusilli: I see some folks are debating whether this should have been a Wednesday puzzle. My two cents: this is a known theme (checking the back rank to remove the defending rook for an otherwise hanging queen), although I don't remember if it has a name. I remember reading a full article on it (I think in Chess Life, years ago.) For those of us who know the theme, it's definitely a Tuesday puzzle. As soon as we see that the only defender of the queen is the rook on b1, and that black can check on the back rank, we check if it works. If the theme is not familiar to the solver, I can understand it can feel like a Wednesday.
Aug-22-17
Premium Chessgames Member
  takchess: I would label this a deflection removal of the guard on the backrank. The solution came quickly today.
Aug-22-17
Premium Chessgames Member
  whiteshark: 32...Rc1+ ends a piece and deflects the game.
Aug-22-17  DrGridlock: White's (overloaded) rook on b1 protects the queen on b4, and against mate on c1.

32 ... Rc1

"Give me your queen, please!"

Aug-22-17  patzer2: While 32...Rc1+! could be categorized as a "removal of the guard" tactic, I prefer to think of it as an "overloading" (a.k.a. "overworked piece") tactic.

After 32...Rc1+! 33. Kg2 diagram below)


click for larger view

The Rook on b1 is "overloaded" (a.k.a. "overworked) as it has two important defensive duties to perform:

(1) Provide protection (albeit indirectly) for the Rook on a1.

(2) Provide protection, by way of a recapture, for the Queen on b4.

After 33...Qxb4 (diagram below,) it's clear the Rook on b1 is overloaded and can't perform both of these duties at once.


click for larger view

So, after 33...Qxb4 (diagram above,) White has nothing better than 34. Rxc1 -+ (abandoning the plan of supporting the Queen on b4 with a recapture) or 34. Rxb4 Rxa1 -+ (abandoning support of the Rook on a1.)

Unfortunately for White, both 34. Rxc1 -+ (-10.87 @ 27 depth, Stockfish 8) and 34. Rxb4 Rxa1 -+ (-12.50 @ 27 depth, Stockfish 8) concede Black a decisive material advantage.

Aug-22-17
Premium Chessgames Member
  johnlspouge: "Hook and Ladder Trick"

[ https://en.wikipedia.org/wiki/Sacri... ]

Aug-22-17  ChatGrognon: Nice : )
Aug-22-17  BOSTER: <John> Thanks.
Aug-22-17
Premium Chessgames Member
  takchess: hmmm. right move wrong reasoning for me. didnt see the king move to the 2nd rank... so not a straight out win a Queen....
Aug-22-17  DarthStapler: Opponent's name should have been Hiei
Aug-22-17  morfishine: Simple 'overload'

The <b1> rook cannot simultaneously cover <a1> & <b4>

case closed

*****

Aug-22-17  newzild: <WorstPlayerEver> What is your solution after White plays Qe1?


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Aug-23-17
Premium Chessgames Member
  WorstPlayerEver: <newzild>

1. Qe1 Re1 2. Re1 Rc1 3 Rec1 Qb5 ☺

Aug-23-17
Premium Chessgames Member
  kevin86: Funny, the move intended as a rook sac actually wins a rook.
Aug-23-17  newzild: newzild: <WorstPlayerEver>

That looks winning for Black, as he he can win White's b-pawn with his two rooks (or trade his two rooks for White's queen and b-pawn, leaving him a pawn ahead in a king and pawn ending).

Aug-24-17
Premium Chessgames Member
  WorstPlayerEver: <newzild>

Frankly, I had no exact clue, but I noticed cg's fondness of slightly aesthetical positions. So I had to remove the a3 pawn. I hadn't even seen Qe1 hmmm..

But White has the Rooks and a pawn less, I figured out. Now I have taken another look at it. I just woke up when I wrote my previous post.

1. Qe1 Re1 2. Re1 Qb5 3. dc4 Qc4 4. e3 and Black is a pawn up.

However, my 'solution' was only meant to point out symmetry of the position. At the board and in the moves as well. 4R, 2Q.

Janowski vs O Chajes, 1916

Here both Rooks are under attack by a Bishop.

Aug-25-17  newzild: <WorstPlayerEver>

Fair enough.

It is an interesting position, because it looks winning for Black even after Qe1, at first glance, but the e3 pawn's attack on the Rc4 means it's actually winning for White.

Aug-25-17
Premium Chessgames Member
  WorstPlayerEver: <newzild>

I haven't figured out yet if it's winning, but I have considered to place the d3 pawn at e2.

But then there would be no different aspect in comparison to the solution of the QOTD regarded to my curiosity, I assume.

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