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Michal Konopka vs Jan Michalek
Schneider Bohemia Open (2001), Pilsen CZE, rd 8, Aug-25
King's Indian Defense: Fianchetto Variation. Classical Fianchetto (E67)  ·  1-0

ANALYSIS [x]

FEN COPIED

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sac: 24.Ncd5 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
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Nov-15-06  The beginner: <Blz777>

I think the best way to solve the puzzles are to do from thoughts, kind of training to also see these patterns in actual games of your own.

Also the puzzels solution is not always a mate, here for exampel white is so far ahead in material at the end of the combination, that there is no question about who will win.

This puzlle was a litle hard, for me, after looking at it for a while i dont really see the solution. So i think what is a good move for white, even if i dont see any combination. I think white must play in center (pawns are pointing there). So ND5 is candidate, only then i spot the Queen is weak, and i see if i start with Bxf6 i can hit his Queen hard :)

Nov-15-06  Chris1Clark: I can't think how you'd ever sack a queen in a position like this. After loss of the Bish to check and rook for Knight exchange the material seems playable but the position is ghastly. So Black still loses. Got the begining but not the queen sac.
Nov-15-06  Calculoso: <Chris1Clark> 25. ... Qd7 fails immediately to Nxf6+ at which point the rook is no longer the knight's focal point - the knight can now take the queen!
Nov-15-06  shintaro go: If Black decides to save the Queen to b8, then he'll still be a Rook down so White was winning anyway you put it.
Nov-15-06  aazqua: Obviuosly qc6 or b8 is better than qe7??? but white's position is still lost. This certainly did seem a little challenging for a wednesday puzzle but not too bad.
Nov-15-06  sataranj: sure this pu zzle is way above a average monday puzzle. beaten
Nov-15-06  flamboyant: Nice i found this one :) (Well didn't tought of Qe7 but still got the main idea)
Nov-15-06  zb2cr: I don't get it. 25. ... Qc6; 26. Nxf6+, Kf8; 27. Nxe8, Rxe8. Black is just down the exchange. Why did he throw away his Queen with 25. ... Qe7?
Nov-15-06
Premium Chessgames Member
  Microbe: I didn't get this one. The wednesdays often stop me. =(
Nov-15-06  who: Black is already down a pawn and as eblunt pointed out the black pawn on a5 will fall too, so black will be down a rook and two pawns for a knight. That's enough that there is nothing to play for.
Nov-15-06  The beginner: <zb2cr>

After your variation

White has Qd2 forks pawn on d6, h6, and a5 where after white will be up exchange + 2 pawns.

Nov-15-06  zb2cr: <The beginner>,

I know; my question is what was Black doing throwing away the Queen with 25. ... Qe7? That essentially leaves him down by the equivalent of 1 minor piece and 1 Pawn, which I would claim is worse than being down by the exchange and 2 Pawns.

Nov-15-06  YouRang: I missed it; totally missed how helpless the black queen was in this attack. Good puzzle.
Nov-15-06  greensfield: Took me a while to get to grips with this one. d5 stood out as a key square for White with a 4 on 2 advantage for White. <23. Bxf6> removes one of the Black defenders and sets up a fork position (Black Queen & Knight) which can be exploited by establishing a Knight on d5.<23...Bxf6 24. Ncd5(or Nfd5) cxd5 25. Nxd5> Once this is done, the Black Queen is forced to retreat<eg 25...Qb8> and another Knight fork presents itself (Black King & Rook)<26. Nxf6 Kf8 27. Nxe8> regaining the piece and winning the exchange at least. A very enjoyable puzzle.
Nov-15-06  jonnydenis: at first i thought why 25.Qe7 then i realised if 25.Qd7 THEN N*B+ if 26.Kh1 then white plays Q*P and and its all doom and gloom for black
Nov-15-06
Premium Chessgames Member
  kevin86: I totally missed this one! I looked for the sac at g6-but could get nowhere. I had no idea the power of white's knight to fork and refork.
Nov-15-06  blz777: The beginner, Soltari, thank you for your answers to my questions :)
Nov-15-06
Premium Chessgames Member
  thegoodanarchist: Beautiful combination by Konopka!!! Bravo.
Nov-15-06  Invincible Genius: Can someone tell me why black played 25. ...Qxe7?? and not 25. ...Qb8 (?)
Nov-15-06  scorpius: Doesn't 23.e5 win too?
Nov-15-06  unferth: <Invincible Genius: Can someone tell me why black played 25. ...Qxe7?? and not 25. ...Qb8 (?)>

after 25 ... Qb8 26 Nxf6+ Kf8 27 Nxe8 Rxe8, black's down the exchange + P -- not much different than getting two pieces for the Q. his position's a wreck either way.

Nov-15-06  unferth: <scorpius: Doesn't 23.e5 win too?>

where's the win after 23 ... dxe5?

Nov-15-06  bernardchinshin: <blz777:> According to most chess trainers, the best way is to solve the puzzles just by looking at the diagram. By doing so, you train and improve your visualisation and calculation skills. Remember at the chess board, you cannot move the pieces when calculating.

Also, if you have to set up the chess board, do not move the pieces in analysis.

last but not least, do the puzzle a few times timing yourself each time. You should get faster each time you do it.

In this position, White wins because he has won a queen for just two knights. In a relative value table, the queen is worth 9 points and a knight or bishop, 3 points each.

Nov-15-06  vibes43: Good puzzle. I wasted time alloted evaluatintg merits of 23. e5 or lack thereof). Briefly first looked at the 23. move as played but expected something easier for Wednesday. With Chessgames, always expect the unexpected. Thanks for a good puzzle though.
Nov-15-06  black knight c6: well actually 23.e5 is interesting.
for the pawn takes line,
23. e5 dxe5
Now either bishop or rook takes. (B here)
24. Bxe5 Rxd1!
Now either A)
25. Qxd1 Rxe5
26. Rxe5 Qxe5
27. Qd8+ Kh7
now either white Q captures black bishop or the white player defends his en-prise knight. Either way he has lost his bishop. or B)
25. Bxc7 R1xe1 (because of knight attacking d1 square) Interesting position here, Q vs 2 Rooks, together on a middle file... its a good thing white's knights defend e2!

Or the rook could take on e5 first...
23. e5 dxe5
24. Rxe5
Now here black could use the Ng4+ trick or just swapping... try the knight trick first... 24. ... Ng4+
25. fxg4 Bxe5
26. Bxe5
now black has a dilemma: take the rook and leave his queen en-prise? or take the bishop and leave his rook en-prise? seems bad either way. Rook swap first:
24. ... Rxe5
25. Bxe5
now here the knight trick works!
25. ... Ng4+!
26. fxg4 Bxe5
and black has got through without loss and no tactics are left. (I think!) So overall although complicated, if black can find the right line it seems he can get through with both sides still even, but his black bishop in the centre. So 23. Bxf6! is far simpler and surer of a win.
by the way I chose fxg4 over hxg4 because it partly opens the diagonal for white's bishop, which hxg5 doesn't.

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