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Lev Alburt puzzle

Lev Alburt puzzle

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S

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How About.....

Nxd7 Rb7 [If Qxd7 Qxd7+ Kxd7 0-0-0+ Kc7 Kxb2 - And white wins a Rook]


But actaully thats all I got --- I've tried several other things but none of them seem to work...If you Move one of the knights Black has Qa5+ And if if you Castle 0-0-0 Black can use the bishop to put you in check...although they are not very powerful or forcing they are anyoying and it makes pins, etc difficult.

l
Man of Steel

rushing to and fro

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1.Nxf7 Kxf7
2.O-O-O

C

EDMONTON ALBERTA

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Kd3 Rc2 , Ka4 and the rook is trapped... but again, he has to fall for it... otherwise instead of taking the pawn he can just retreat...

e

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Originally posted by ChessJester
Kd3 Rc2 , Ka4 and the rook is trapped... but again, he has to fall for it... otherwise instead of taking the pawn he can just retreat...
??? Please explain, I don't even see how those moves are possible.

BTW: I've found a way for white to win a pawn, but it is in 7 moves, so I guess it's not it.

G
Mr. Shield

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Nh4 Rb8 Nc5 fxd5 Qxd5 Rg8 Nxe7 Qxe7 (if Kxe7 Re1+ wins queen) Qxb8+ and white's up a rook to a bishop. If the rook moves anywhere other than b8 to begin with then the Nc5 fxd5 Re1 or 0-0-0 and the bishop is won a move or two later with more material likely to come withing the next few moves. I think that would work.

Edit: It's late so I'm probably missing something. If this isn't right I'll probably give it another shot when I'm more awake.

K
Mel Kirwan

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Originally posted by RahimK
Taken from his book, Chess Strategy for the Tournament player.

Caption: How can White win a piece?
White to move.


[fen]3qkb1r/p2bpp1p/2p2p2/4N3/3Q4/2N5/PrP2PPP/R3K2R w KQk - 0 1[/fen]
Can't see this one at all

I'll look again later

S

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Originally posted by GalaxyShield
Nh4 Rb8 Nc5 fxd5 Qxd5 Rg8 Nxe7 Qxe7 (if Kxe7 Re1+ wins queen) Qxb8+ and white's up a rook to a bishop. If the rook moves anywhere other than b8 to begin with then the Nc5 fxd5 Re1 or 0-0-0 and the bishop is won a move or two later with more material likely to come withing the next few moves. I think that would work.

Edit: It's late so I'm probably mi ...[text shortened]... ing something. If this isn't right I'll probably give it another shot when I'm more awake.
Nh4 is not possible --- so i looked through your line assuming you meant Na4...

i tried Similair moves but always Thought Qa5+ or Rxc2 could be tricky to deal with...

Ne7?? i assume you mean Nd7??

Fxd5 Re1??? Have you just left your Queening Hanging? [exd4] If you Have...YUM YUM!

TheGambit

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1.Nxc6 Bxc6
2.Qxd8+ Kxd8
3.0-0-0+ wins the rook?

Does this work?

Not sure if white has another move instead of 1...Bxc6

edit: well 1...Qc7 is certainly better than taking so I'll shut up

W
Angler

River City

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Originally posted by RahimK
Taken from his book, Chess Strategy for the Tournament player.

Caption: How can White win a piece?
White to move.


[fen]3qkb1r/p2bpp1p/2p2p2/4N3/3Q4/2N5/PrP2PPP/R3K2R w KQk - 0 1[/fen]
1.Nxc6 looks promising.

If 1...Bxc6, 2.Qxd8+ Kxd8 3.O-O-O+ wins an exchange, but not a piece

If 1...Qc7, 2.Nd5 seems to win a piece

However, 1...e5 appears winning for black, so 1.Nxc6 must be rejected.

1.Qxd7+ looks promising.

After 1...Qxd7 2.Nxd7 Kxd7 3.O-O-O+ white wins the rook, but black can play 2...Rxc2 and be ahead two pawns, so 1.Qxd7 fails.

1.Nxd7 looks like the best try.

After 1...Rb7 2.Nxf6+ exf6 3.Qa4 white appears to have an advantage, but has not won a piece.

Are you certain the position is correct?

S

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- I gave up after a while, so i let a computer handle it......700,000 nodes later Crafty had found little (not a peice anyway)

so....What is the solution??

C

Argentina

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Originally posted by Wulebgr
1.Nxc6 looks promising.

If 1...Bxc6, 2.Qxd8+ Kxd8 3.O-O-O+ wins an exchange, but not a piece

If 1...Qc7, 2.Nd5 seems to win a piece

However, 1...e5 appears winning for black, so 1.Nxc6 must be rejected.

1.Qxd7+ looks promising.

After 1...Qxd7 2.Nxd7 Kxd7 3.O-O-O+ white wins the rook, but black can play 2...Rxc2 and be ahead two pawns, so 1.Qxd ...[text shortened]... pears to have an advantage, but has not won a piece.

Are you certain the position is correct?
I agree. IMHO the position is wrong.
A pure tactical problem should be solved after 6 or so moves at most.

BTW, I haven't found any forced move here, which is typical in this kind of problems.

- J

C

EDMONTON ALBERTA

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Originally posted by exigentsky
??? Please explain, I don't even see how those moves are possible.

BTW: I've found a way for white to win a pawn, but it is in 7 moves, so I guess it's not it.
sorry....

Nd3 Rc2 , Na4 ... etc

p

Orlando, Florida

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Why not o-o-o rook moves and queen takes bishop.

Edit: Nevermind, after o-o-o rook can go to b7

R

Edmonton, Alberta

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Originally posted by HomerJSimpson
No Im not.

1. Qxd7 Qxd7
2. Nxd7 kxd7
3. 0-0-0+

is better
Like I said earlier, No Kxd7.

Rxc2 and both knights are hanging.

R

Edmonton, Alberta

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Originally posted by Shinidoki
How About.....

Nxd7 Rb7 [If Qxd7 Qxd7+ Kxd7 0-0-0+ Kc7 Kxb2 - And white wins a Rook]


But actaully thats all I got --- I've tried several other things but none of them seem to work...If you Move one of the knights Black has Qa5+ And if if you Castle 0-0-0 Black can use the bishop to put you in check...although they are not very powerful or forcing they are anyoying and it makes pins, etc difficult.
Although Wulberg mentioned this line you did first.

I believe his puzzle is wrong I read the solution he gives and didn't agree with it.

This is his solution.

Not 1.Qxd7 Qxd7 2.Nxd7 Rc2!

But instead he gives 1.Nxd7 Qxd7 2.Qxd7 Kxd7 3.0-0-0+ picking up the rook.

I did not agree with his solution. This is the line I found

1.Nxd7 why does black have to take the knight?

1...Rb7 and now what?

So this is the line I think is best.

1.Nxd7 Rb7 2.Nxf6+ exf6 etc...

I put this into fritz and it gave me the exact same line.

1.Nxd7 Rb7 2.Nxf6+ exf6 3.Qa4 Re7+ etc...

So really there is no White Win a piece solution. Busted!

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