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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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sac: 26.Qxe4 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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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?

Aug-26-09  ZUGZWANG67: W is a whole piece upand back rank mate is threatened. But one has to find the right square for the B.

I think that 26.Qxe4 wins a R, when after 26. ...fxe4 27.Bg5, the BQ doesn' t have access to any square that allows B to save the Q and defend against mate.

Time to check.

That' s right on the spot. In W' s point of view, the black (e4)-pawn is very important. That is so because it prevents it' s own Q to reach heaven at b4.

Aug-26-09
Premium Chessgames Member
  estrick: <karnak64: "What's with black's 11th move? That surely can't be theory in this position, can it?">

Doesn't look like a very sound sac.

Black seems to have nearly left the book on move 4 with . . . Nf6. The CG data base contains only seven games with that move.

By the time 6. Qg4 is played, it's a completely unique game.

Aug-26-09  JManRio: Though not as impressive as the immediate 26 Qxe4, I found this: 26 Bg3 Qf6 (...26 Qxg3 27 Qxe4 fxe4 28 Rxf8#) 27 Qxe4 fxe4 28 Rxf3 ... (white has a bishop and rook Vs Black rook - easy win)
Aug-26-09  mohitm: got that one quick. black wasn't looking good from the start, all with the shaky opening lines...
Aug-26-09
Premium Chessgames Member
  DarthStapler: Wow, I saw this line but I completely missed the fact that the pawn on e4 would block off the queen so I dismissed it because I thought black could play Qd4+ or Qb4!
Aug-26-09
Premium Chessgames Member
  Artar1: This puzzle has elements of double threat and back-rank mate.

After reading "Bobby Fischer Teaches Chess," puzzles at this level of difficulty have become much easier for me to solve. I recommend that book to anyone interested in improving their tactical vision. But, don't be put off by the book's seemingly simplistic chess puzzles like I was at first. The book uses systematic program learning for one type of mating patter in order to help us see those patterns quickly and to find the mate, or to know how to defend against it if it's not to late to stop the attack. In Black's case for today's puzzle, there was little that could have been done for Black once the game reached move 26.

This leads me to another interesting question: can programmed learning be applied to all aspects of chess, and if so, how many thousands of pages would it take to adequately teach the subject so that an average, dedicated chess player could reach a rating of at least 2,000?

I apologize if my post is a little off topic.

Aug-26-09
Premium Chessgames Member
  StevieB: Ingenious! That's what's it's all about, smooth playing and an ironclad trap. Also loved that trap of 15.Nxd5, but black didn't fall for it.
Aug-26-09  wals: [Event "European Team Chess Championships (Women"]
[Site "Crete GRE"]
[Date "2007.10.28"]
[Round "1"]
[White "Maria Velcheva"]
[Black "H Puuska"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2255"]
[BlackElo "2016"]
[Annotator "Rybka 3 1-cpu (30m)"]
[PlyCount "53"]

{C03: French Tarrasch:

25. Qxb7 Re4 ?? BLUNDER the
pressure is too much, Black crumbles (25... Re7 26. Qd5 h6 ) 26. Qxe4 hanging on to the material is worse fxe4 (26... Qh5 doesn't get the cat off the tree 27. Qb7 Rg8 28. Be5 ) 27. Bg5 Clearance: f4 (27. Bg5 Rb8 28. Bxh4 ) 1-0

The above may be of interest to those seeking help.

Aug-26-09  ruzon: Like <zooter> and <DarthStapler>, I too failed to see that the pawn blocks the Black Queen's otherwise saving move to b4, so I went with 27.Be6? which fails because Black can just slide the rook out of the way.
Aug-26-09
Premium Chessgames Member
  beenthere240: 13. Nf4 was nice, to recapture on d3 and advance to e5 if black takes the bishop. But black's sac was totally unsound -- especially against a player with a roughly 250 point rating edge.
Aug-26-09  Everyone: <Chicago Chess Man: Does anyone else get annoyed when EVERYONE must post the solution to a puzzle?>

Oh, is that so? I'm already late, so I must post the solution now 26. Qxe4 fxe4 27. Bg5. Don't get annoyed. <sheepish grin>

Aug-26-09  lzromeu: <JManRio: Though not as impressive as the immediate 26 Qxe4, I found this: 26 Bg3 Qf6 (...26 Qxg3 27 Qxe4 fxe4 28 Rxf8#) 27 Qxe4 fxe4 28 Rxf3 ... (white has a bishop and rook Vs Black rook - easy win>

You mIss 26.Bg3 Qg4

Aug-26-09  WhiteRook48: missed this easy one
Aug-26-09  dumbgai: I think this is one of those problems that's quite easy if you know it's a puzzle, but hard to find over the board. I got this one rather quickly, but in a real game I'm pretty sure I would have played something like 26. Bh2 or Qc7 instead.
Aug-26-09
Premium Chessgames Member
  LIFE Master AJ: <dumbgai> Very honest - I appreciate that.

I "guessed" most of Sunday's solution. Just looked for the most forcing or aggressive move ... I have gotten pretty good at that.

But the meaty question is: "Would I have played that lined in a RATED, tournament game?" The real answer is, probably not. (White was a rook down, and I could not see far enough ahead to GUARANTEE the knock-out punch. I also spent about 15-30 minutes on it, which for me, isn't enough time. And therein lies another kicker ... you DON'T have enough time in modern tournaments for those really "deep thinks" anymore. Surely, "Game in 30 Minutes" often translates to a crap-shoot, which is usually decided in a time scramble.)

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