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Maria Velcheva vs Heini Puuska
European Team Chess Championships (Women) (2007)  ·  French Defense: Tarrasch. Morozevich Variation (C03)  ·  1-0
To move:
Last move:

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Given 4 times; par: 44 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 3 ·  Later Kibitzing>
Aug-26-09  CHESSTTCAMPS: Oops that should be Qxe4.
Aug-26-09  zb2cr: The hard thing about this puzzle is overcoming the psychological barrier to allowing the opponent to check. We've all been taught that "checks are forcing moves" and allowing the opponent to force us goes against the grain.

26. Qxe4, fxe4; 27. Bg5, Rxf1+; 28. Rxf1 and now the Black Pawn on e4 blocks Black from checking with ... Qd4+ and the White Bishop blocks Black's Queen from defending with ... Qd8. <Once> did a good job of pointing this out.

Aug-26-09  hypersphere: I saw:

26 Qxe4 fxe4 27 Bg5 Qb4

I missed that 27...Qb4 was an impossible move...

Aug-26-09  A Karpov Fan: That back rank was screaming so loudly this was just easy.
Aug-26-09
Premium Chessgames Member
  Eisenheim: obvious that the back rank mate is in play and the rook at e4 hangs by a thread. 26 qxe4 begs to be played with fxe4 and now how to maneuvor the bishop to inhibit the Q from protecting the back rank? I considered 27 Bc7 for a second, but only for a second as this gives black the time to lift a pawn and thwart the back rank mate, so threaten the black queen, win the exchange and threaten mate Bg5 must be played. still easy, but this makes up for me getting crushed a couple weeks ago and not even solving the monday puzzle
Aug-26-09  randomsac: I was trying to find a way to take advantage of the back rank threat, but I didn't find the solution. Very nice.
Aug-26-09  karnak64: What's with black's 11th move? That surely can't be theory in this position, can it?
Aug-26-09
Premium Chessgames Member
  johnlspouge: Wednesday (Medium/Easy)

M Velcheva vs H Puuska, 2007 (26.?)

White to play and win.

Material: B for P. The Black Kh8 has 1 legal move, on the back rank. The Black Rf8 has the absolute burden of preventing back-rank mate, so its protection of Pf5 is completely illusory. The White Rf1 x-rays Rf8 through Pf5 and the White Bf4, suggesting clearance of Bf4 and exploitation of the resulting pin on Pf5. The White Ra1 can reload Rf1. The White Kg8 is vulnerable to the checks Qf2+, Qh2+, and Qh1+, none presently dangerous.

Candidates (26.): Qxe4

26.Qxe4 fxe4 [else, drop a R]

27.Bg5 (threatening 28.Rxf8# and 28.Bxh4)

Black must respond to the mate threat. Every check drops Qh4. Capture of the threatening piece

(1) 27Rxf8+ 28.Rxf8

accomplishes nothing. Interposition between Rf1 and Rf8 drops Qh4. Fortification of Rf8 is singularly impossible, because Pe4 and Bg5 interfere with the movement of Qh4 and 27Kg8 drops Qh4. Flight of Rf8 also drops Qh4 for nothing. To move of Kh8 or to give it a flight square drops Qh4. White will therefore have R+B for P.

Aug-26-09  Eduardo Leon: Monday easy: 26. Qxe4 fxe4 27. Bg5 (no exclamation marks) and black can't save both his king and queen.
Aug-26-09  TheTamale: Wow, I got it, and almost immediately, and I couldn't even get yesterday's (because I couldn't visualize it through for enough moves). Go figure.
Aug-26-09  ounos: Dang. I kept thinking for a minute about 26. Bg5 (but Qg4, and then what? nothing)

Strange puzzle though, a piece up.

Aug-26-09  ounos: Oh, wait. This was in Crete, 2007! I attended this event!! (Sneaked from the lab where I was supposedly writing up my thesis to check on the games).
Aug-26-09  Chicago Chess Man: Does anyone else get annoyed when EVERYONE must post the solution to a puzzle? Maybe I'm just crabby today, but I don't understand why you'd want to be the 50th person to post the same solution. And yet it happens every time.
Aug-26-09
Premium Chessgames Member
  David2009: Wednesday's puzzle M Velcheva vs H Puuska, 2007 Whte tp play 26? Medium/Easy

White has a Pawn for a Bishop, so liquidation into an ending may be the winning plan. The natural move is 26 Bg3 which appears to win easily after 26...Qg4 (26...Qxg3?? 27 Qxe4) 27 Rd1 Re2 28 Qf7 Rfe8 29 Qxf5 but Black fights on with 29 Qxf5! Rxf5 30 Rxb2 threatening ...Rxa2 and also ...h6 followed by ...Re2. White will have to work hard to land this ending

Much better (and no doubt the move played?) is 26 Qxe4! fxe4 27 Bg5 Rxf1+ 28 Rxf1 and the Black Q is a mere spectator of the forthcoming back row mate.

Time to check
========
Got it.

Aug-26-09
Premium Chessgames Member
  dzechiel: <Chicago Chess Man: Does anyone else get annoyed when EVERYONE must post the solution to a puzzle?>

I think that most are actually posting their thoughts on finding the best move in the position, and if they are lucky, then this also turns out to be the solution.

True, it makes for a lot of redundancy, but frequently there is something to learn from how another went about working out the answer.

Aug-26-09
Premium Chessgames Member
  kevin86: A brilliant second move to this problem. Whether or not black exchanges rooks, he will still be faced with a mate threat abd the loss of queen.

Resigning then becomes the best move.

Aug-26-09
Premium Chessgames Member
  Patriot: <Chicago Chess Man: Does anyone else get annoyed when EVERYONE must post the solution to a puzzle? Maybe I'm just crabby today, but I don't understand why you'd want to be the 50th person to post the same solution. And yet it happens every time.>

True, there's a lot of the same analysis but I like to read other kibitzers' analysis because sometimes they mention a critical variation I didn't even consider which leads me to wonder why I didn't see it. This can be helpful feedback in order to fine tune my own analysis in the future. Plus you get to see what some kibitzers were thinking that lead them to the solution, which to me is more important than the solution itself.

Aug-26-09
Premium Chessgames Member
  YouRang: That wasn't nearly as hard as I was making it out to be. :-p
Aug-26-09  RonB52734: <Chicago Chess Man: Does anyone else get annoyed when EVERYONE must post the solution to a puzzle?> Quite often there will only be one person who posts the refutation to a move that I thought was good. I find it very handy to be able to search for, e.g., "Qxf7" if that was my erroneous solution.

Incidentally, I didn't spend a lot of time on today's puzzle because I just wasn't seeing anything (once again I dismissed QxR out of hand -- a common mistake for me). But know that I know the solution, it looks glaringly obvious.

Aug-26-09  Summerfruit: White has a bishop for the pawn.

White can take advantage of the weak back rank.

26.Qxe4 fxe4 27.Bg5 with the double threat of 28.Rxf8# and 28.Bxh4.

Black can try

a) 27...Rxf1+ 28.Rxf1 but faces the same dilemma as above.

b) 27...Rf4 28.Rxf4 Qxf4 29.Bxf4 is equally hopeless.

Aug-26-09
Premium Chessgames Member
  Eisenheim: CCM - There is a lot of redundancy with the actual moves, but for me it is interesting to read people's differing thought process to get to the same solution (or different solution). dzechiel does a great honest job at working out the lines from a manmade perspective and sometimes spens considerable time and goes into great detail. whiteshark often teeths together a quick directed solution. and then the computer cronies tell us what rybka and the other silicon thought. me - I just ramble, but my rambling analysis and macro play may give different insight into the same solution. Hope your day gets better!
Aug-26-09
Premium Chessgames Member
  Once: <Chicago Chess Man: Does anyone else get annoyed when EVERYONE must post the solution to a puzzle?>

Well, yes and no. A lot of folks like to post "blind". They work out what they think is the solution and then they post it straight away without looking at the game continuation or the what other posters have written. It's a technique largely invented by <dzechiel> around about the time that I joined the forum - say about 15 months ago.

Now this kind of post can sometimes be very useful. You get an insight into other players' thought processes. I find that it's especially useful when I've struggled with a puzzle.

There is a downside. It means that we get a heck of a lot of repetition of the same winning lines and ... sigh ... "time to check". The repetition factor is highest towards the beginning of the week, when the puzzles are simpler with few side variations to yak about.

You wouldn't buy a book or a DVD which had that amount of repetition. But CG.com isn't a book or a DVD. It's an organic forum, a collection of voices, an extended conversation.

And for me that means that we need to make allowances for each other. I usually don't post to say that I got a puzzle or didn't, cos I figure that no-one is really that interested in how I'm doing. But if one of us wants to tell everyone that they got a puzzle then that is perfectly fine with me. There can be a real sense of satisfaction when you get your first saturday or first perfect week. So I figure why not indulge our friends by letting them post their analysis, even if it is exactly the same as everyone else's?

So - do I get annoyed when everyone posts the same analysis? I have to admit I do a little bit but for me it's part of the openness and community that makes CG.com what it is. And my day is never complete if I don't know whether Darth "got it" or "didn't get it" :-)

Aug-26-09  doubledrooks: Already up a bishop for a pawn, white continues punishing black with 26. Qxe4 fxe4 27. Bg5, threatening both 28. Rxf8# and 28. Bxh4. The point is that the black queen cannot move so as to cover the f8 square and stop the mate.
Aug-26-09  PalladiumPawn: Not too bad of puzzle, I calculated out the 26.Qxe4 fxe4 27.Bg5 line but forgot that the pawn now blocked in the queen and dismissed the line :( A word of advice: be sure to keep track of both pieces and pawn during calculations!
Aug-26-09  lzromeu: Another back rank threat, or mate or win the queen. It's easy when we know the theme of the week.

But now I miss the order of this. I played first the bishop, to deflect the queen, and then take the rook, treatening the back rank. Someone makes this same mistake?

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