Chess Puzzles

DB Cooper

peel me a grape
May 17, 2013
24,098
11,266
Chess.com's daily puzzle was kind of neat today. White to move.

View attachment 18870
I found this really tough but may have been trying too hard. Considered all sorts of left field solutions like white sacrificing its Queen to black's Pawn at G4 and all sorts of things. Then I had another look and perhaps it isn't that hard after all.

WHITE : Queen x Queen - so white queen now at A6

BLACK : Pawn at B7 to B8 and becomes a Queen

WHITE : Queen to G6 check

BLACK : King to H4

WHITE : Queen x Pawn at G4 mate
 
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DB Cooper

peel me a grape
May 17, 2013
24,098
11,266
View attachment 18875

This is a pretty tough one. White to move and mate it 3. It was made by Louis H. Jokisch. It is titled "Twins", although with the third variant it could be called "Triplets"

"This one was used by Kenneth S. Howard as a front piece for his collection of 200 Spectacular Chess Problems. It became a classic, as Howard said, "by pure chance," because it was the first problem, perhaps, to have a twin. B.G. Laws discovered that by shifting all pieces one square to the left, an entirely different problem with a different key was achieved. He published it as his own with "Apologies to Jokisch." It was then discovered that by moving the position two squares up and one to the right, a third and different problem results. It deserves inclusion here, not on its merit as a problem, but as a first of its kind."
"Jokisch lived in Illinois and was devoted to chess and music. A talent for the latter, and for mathematics, seem to be concomitant talents in a large percentage of chess masters."

Q - A4 check must be the first move.

K - F3 must be next

Then it will be either Q - D1 check or N - H4 check. I am thinking it will be Q - D1 check.

I need to get on a board for this one. Can't visualize it well enough to solve it.
 
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DynamicMoves

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I found this really tough but may have been trying too hard. Considered all sorts of left field solutions like white sacrificing its Queen to black's Pawn at G4 and all sorts of things. Then I had another look and perhaps it isn't that hard after all.

WHITE : Queen x Queen - so white queen now at A6

BLACK : Pawn at B7 to B8 and becomes a Queen

WHITE : Queen to G6 check

BLACK : King to H4

WHITE : Queen x Pawn at G4 mate
I think you have the sides flipped. White is going up. The numbers down the side usually indicate which side is which.
Q - A4 check must be the first move.

K - F3 must be next

Then it will be either Q - D1 check or N - H4 check. I am thinking it will be Q - D1 check.

I need to get on a board for this one. Can't visualize it well enough to solve it.
This one is tough, @Tko6 got it in the other thread. Queen to a4 is not the right first move.
You're looking for a key move that will lead to mate regardless of how black moves. The piece you're looking to move is in the spoiler.
the queen
 

DB Cooper

peel me a grape
May 17, 2013
24,098
11,266
I think you have the sides flipped. White is going up. The numbers down the side usually indicate which side is which.

This one is tough, @Tko6 got it in the other thread. Queen to a4 is not the right first move.
You're looking for a key move that will lead to mate regardless of how black moves. The piece you're looking to move is in the spoiler.
the queen
I copied your pic of the board and made it smaller so I could see it in full on my PC screen. In the process the square designations became too small to read. I will tackle this one tonight on a board and hopefully get it.
 
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DB Cooper

peel me a grape
May 17, 2013
24,098
11,266
How are others fairing with their Lichess puzzle rating?

I got to a personal best 1762 today but I seem to fluctuate between about 1600 and 1700 most of the time.
 
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