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| Sep-30-08 | | euripides: 23.Qc5 can be met by 23...Rxd5 as well as 23...Qxc5, but 23...Qxc5 actually wins as the queenside pawns win the K+P ending. |
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Sep-30-08
 | | TheDestruktor: The question here is not how many players would find 23.Qa7 with white. The question is how many would avoid playing 22...cxb3 with black, because they saw 23.Qa7. I know I wouldn't. |
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| Sep-30-08 | | benjinathan: There is somkething seriously wrong with my game. Two days in a row Ihave looked directly at the winning move, considered it, and rejected it. I have noticed the same thing OTB the last 2 or 3 games I played...really dumb calculation errors. Maye be I need a chess vacation. |
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| Sep-30-08 | | DarthStapler: Took me a while to get it, I was about to give up but then I saw it |
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| Sep-30-08 | | braimondi: I think this guy can't be a 2390 rated... |
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| Sep-30-08 | | YouRang: A little harder than I thought upon my first impression. The move I jumped at almost immediately was 23.Qc5 -- deflect queen & go for back rank mate. Right? Fortunately, I had a tiny feeling that this was "too easy", and after a moment I noticed that after 23...Qxc5, the black queen can defend the 8th rank at f8. I knew I had the right idea, but the wrong square, and after a while I convinced my self that 23.Qa7 was the ticket. You gotta appreciate it when the winning move is to plop your unprotected queen on a square where it can be taken two ways. :-) |
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Sep-30-08
 | | playground player: 23.e6--It may be a bad move, but at least it's MY bad move. No one else even considered it. |
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| Sep-30-08 | | I Offer You A Resign: Pretty easy, today. |
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| Sep-30-08 | | kevin86: 23 ♕a7 A move as easy to find (in a puzzle) as it is brilliant. White moves his queen to the Northwest to "fork" the adverse queen and rook. If black captures the queen in either way-or allows the queen to capture queen or rook-a back rank follows. A massive slaughter follows: 23 ♕a7 ♕c8 24 ♕xa8 h7 25 ♖xd8+ ♕xd8 26 ♖xd8+ and white is ahead QUEEN and ROOK. |
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| Sep-30-08 | | Riverbeast: <and white is ahead QUEEN and ROOK> Then it becomes a matter of technique |
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| Sep-30-08 | | benjinathan: My kid got this in 10 seconds. I suck. |
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| Sep-30-08 | | YouRang: <Riverbeast: <and white is ahead QUEEN and ROOK>
Then it becomes a matter of technique>
Astutely observed. :-)
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| Sep-30-08 | | zb2cr: <playground player>, As to 23. e6, I considered it too. I rejected it when I decided that 23. ... Rxd5 threatens mate, leaving no time for 24. e7, while 24. exf7+ is strongly answered by 24. ... Qxf7 (defending the Rook on d5). White would probably have to submit to 24. Rxd5, Re8; 25. exf7+, Qxf7; 26. Re5, Rxe5; 27. Qxe5 leaving the material even and a difficult Queen and Pawn endgame. Improvements?
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| Sep-30-08 | | number 23 NBer: Qa7 is a KO. This lives down to the designation "Easy." |
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| Sep-30-08 | | ruzon: I saw 23.Qc5 and worked it all the way to 25...Qf8. Then I looked at 23.Qb6 briefly before the more complicated 23.Qa7. A little more calculation is needed to make sure that neither the Black rook nor queen can take it safely. |
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| Sep-30-08 | | carelessfills: <Marco65>: You're right. Just for clarity, I was responding to <VooDooMoves> who said that 23...Qc8 was Black's best defense, and maybe he is correct in that black is not immediately mated, but it appears that white ends up ahead by a queen and a rook up after 24. Qxa8. Thanks for the reply. Of course you're right about winning two major pieces. That could make something like 23...Rf8 Black's best defense if it loses only the Queen when followed by g6. |
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| Sep-30-08 | | carelessfills: Agree completely. This move should be easily found over the board by many players even at 1400 level who had some tactical sense and experience, and it wouldn't be like fighting windmills. <Marco65>: Some will say "this is an easy puzzle, but I would never spot it OTB". It is certainly true that you would go mad if you examined every position looking for queen sacrifices or other smiting moves. I think you need to develop an instinct for positions when tactics may be possible. |
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| Sep-30-08 | | TheTamale: Yes, 2 for 2. That I will go 3 for 3 tomorrow is a statistical impossibility. |
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| Sep-30-08 | | TheaN: 2/2
Bank rank for once in a while.
<23.?>
White: a2, b3, e5, f2, g2, h2, Rd1, Rd4, Qe3, Kg1
Black: a5, b5, b3, f7, g7, h7, Ra8, Rd8, Qc7, Kg8
Candidates: Qa7
-ML-
Spotted the major pieces endgame, the strong d-file, the bank rank threat and the key move, in that order, within 10 seconds. Here we see that White wants to attack defenders of d8 or f8 whilst making other threats as well; d8 is twice attacked and twice defended, but with the bank rank weakness, this is an easy target. <23.Qa7!> does this perfectly: Ra8 and Qc7 are stuck to d8 and cannot move easily and they are both in. These kind of bank rank puzzles usually have three distinct types of replies, and so it is again. /A\
<23....Rxd5> cleaning the threat on d8. <24.Qxa8†> but it leaves the a8-Rook completely unguarded. Take note that White himself suffers from a weak bank rank, and after the intuitive 24.Qxc7?? Rxd1‡, White ought to sulk about his loss for a long time. <24....Qd8 (Rd8 25.Rxd8† Qxd8 26.Qxd8‡ 1-0) 25.Qxd8† Rxd8 26.Rxd8‡ 1-0> /B\
<23....Q/Rxa7 24.Rxd8† R/Qxd8 25.Rxd8‡ 1-0> take note that the moves on 24.... are respectively to 23...., and the positions arising have either a Queen or Rook on a7, whom captured there: so objectively 23....Qxa7 is better. /C\
<23....Qc8> in general all moves that try to safe the bank rank, but fails because now the power comes from the side. <24.Qxa8! Qxa8 (Rf8 25.Qxc8 Rxc8 26.Rd8† Rxd8 27.Rxd8‡ 1-0) 25.Rxd8† Qxd8 26.Rxd8‡ 1-0> /D\
<23....g6>...
<24.Qxc7 > Nepresso. It's time for that, and with the pieces in the box. What else? |
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| Sep-30-08 | | whitebeach: White of course has back-rank problems of his own. It seems to me that if, instead of the blunder 22 . . . cxb3? black had simply played 22 . . . Rxd5 23. Rxd5 cxb3 he would have stood equal or maybe even better. Now certainly not 24. Rxb5? Qd7 and wins. |
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| Oct-01-08 | | Manic: <whitebeach> After 24.Rxb5 Qd7 can't white play 25.Qe2 ? |
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| Oct-07-08 | | whitebeach: <Manic: After 24.Rxb5 Qd7 can't white play 25.Qe2?> Yes, which makes my call of 24 . . . Qd7 "and wins" way wrong. I saw the error after I'd posted it, for what that's worth. Glad I wasn't playing you in this position over the board. Still, after, say, 25 . . . a4 black is at least only down a pawn with perhaps some hope of saving the game, which isn't nearly as bad as what happened in reality. |
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| Oct-24-08 | | patzer2: For the Tuesday, Sep 30, 2008 puzzle solution, 23. Qa7! decisively exploits the Black's over-worked Queen and weakened back rank.. |
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| Mar-15-09 | | WhiteRook48: 23 Qa7!! is so clever |
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| Dec-20-21 | | joeld: This "puzzle" is in Henkin, 1000 Checkmate Combinations, Rook chapter, exercise 2, except the book has a misprint and shows a rook at c3 instead of a pawn. |
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