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Sergei Movsesian vs Uwe Boensch
Porzellan Cup (1999) (rapid), Dresden, rd 3
Sicilian Defense: Scheveningen Variation (B80)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jun-11-07  prinsallan: Excellent Monday-puzzle. Straightforward and easy solution.
Jun-11-07  MenisfromVenis: It's monday, it's a Q sac..
Jun-11-07  tdubb43: Does it make any difference if you take the knight with the rook instead of the queen?
Jun-11-07  bluealchemist: big difference. if 23Rxe5, dxe5 24Rxd8, Qxd8 and black has the advantage. the rook pair is quite potent here, making the Q-sac the ultimate white-wins-everything sacrifice.
Jun-11-07  Sredni Vashtar: Difficult for Monday - requires deeper analysis than usual (3 moves instead of 1-2). The Rxe6 blunder may appear attractive, and also requires a couple moves to be considered in order to see that it fails.

But deeper analysis is hard to avoid if only a piece is at stake, and not a checkmate. You have to make sure you can keep that piece and that the other side does not have a counterattack.

At least black has no threats against the white king, so this makes it easier.

Jun-11-07  YouRang: I thought this was one of the harder Monday puzzles I've seen in a while. I found it only because I look for queen sacs.

But this is different from most Mondays in that: (1) you have to consider different ways for black to recapture; (2) it isn't mate; but material gain; (3) it involves multiple tactics (a pin [pawn], removal of guard [queen guarding d8], and a skewer [winning Rh8]).

Jun-11-07
Premium Chessgames Member
  kevin86: What a week ahead! Being that I missed the Monday puzzle. If I go by the usual Monday theme-a queen sac-I would have gotten it. I played it honestly and was burned by it.

Jun-11-07  outsider: even i managed to do that in a minute:)
Jun-11-07  ColonelCrockett: this was interesting . . . I looked at RxN first looking to play the queen sac on f7 . . . that didn't work so then I looked at QxN and bingo! The idea of taking theknight was in my mind throught the whole analysis. very quick solve to have gone so wrong at the start.
Jun-11-07  newton296: this puzzle makes your think , is it a mate puzzle? or material puzzle? U have to consider a couple of ways for black too respond . that being said it is still a 1 move win , making it a nice monday puzzle! Qxe5 !! And I expected too see black resign and he does.
Jun-11-07  Justawoodpusher: For me unusal difficult to solve for Mondays, but finally got it.
Jun-11-07  WarmasterKron: A little bit of thinking required. 23.Qxe5 looks attractive, but there's a bit more analysis needed than for the usual Monday.

I do love a good skewer.

Jun-11-07
Premium Chessgames Member
  fm avari viraf: Simply 23.Qxe5 wins the N but there is no instant mate since Black can continue with a piece down & prolong his agony.
Jun-11-07  Zorilla: I see Black losing a knight but he still has life. He doesn't have to take back

Here's a thought ...
23...... Qf6
24 QxQ PxQ

Jun-11-07  ruzon: This is a great example of why castling is a great idea.
Jun-11-07  Akuni: <Zorilla> The position looks pretty hopeless to me. 23...Qf6 24. Rxd6 Qxe5 (24...Rxd6 25. Qe8#) 25. Rxd8+ Ke7 26. Rd7+ Ke6 27. Bb3+ Kf6 28. Rd6+ Kg5 (28...Ke7 29. R8d7+ Kf8 30. Rxf7+ Ke8 (Kf8 Rd8#) 31. Rd6+ Kxf7 32. Rxe5) 29. Rd5 Rxd8 30. Rxe5+ Leaves White a Pawn and a Bishop ahead.
Jun-11-07  Warsmoke: I think Zorilla has a fair point. Resisting the immediately exchange of queens, black enters the endgame a piece down -- not ideal, but they can still squeeze some life out of this game. Right?
Jun-11-07  patzer2: For today's puzzle solution 23. Qxe5! wins decisive material due to the fact that Black's d6 pawn is pinned.

One could argue that the combination starts, or is at least set up, with 20. Rfd5!

Jun-11-07  Fezzik: First rule of puzzle solving: Find a way to sac the Q.

It is Monday.

Jun-11-07  YouRang: <patzer2><One could argue that the combination starts, or is at least set up, with 20. Rfd5!>

Maybe, but black mishandled his side of the combination. After 20. Rfd5, I think black still has a chance to play 20...O-O and hold things together.

Jun-11-07  LIFE Master AJ: Nice combine, the last rank proves to be Black's Achille's heel.
Jun-11-07  unferth: <Warsmoke: I think Zorilla has a fair point. Resisting the immediately exchange of queens, black enters the endgame a piece down -- not ideal, but they can still squeeze some life out of this game. Right?> not at anything beyond the novice level. down a piece & a pawn with no compensation, black's dead lost, queens or no queens. at the master level, it'd be almost insulting to carry on here.
Jun-11-07  PositionalTactician: This is rather easy
Jun-11-07  MostlyAverageJoe: I agree with the opinions that this was one of the harder Monday puzzles. My engine-based evaluation puts it, in fact, as the most difficult Monday puzzle since I started evaluations in the end of March.
Jun-11-07  Timex: This one was easy since you could instantly see the pinned pawn.

You must always be careful when you get pinned material. It could become very easy for the opponent to win material.

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