This one is easy. Mate in one.
How long do you take to find this mate in one?
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Aug 28, 2012
0
#43
Tantale wrote:
This one is easy. Mate in one.
Clever ! It's like one of those endgame puzzles where the solution involves castling when you didn't think it was possible ! 
@stephen_33, check out these two: 
First one
Second one
vincasl, doesn't Nf5# also work for the first one?
Now a not so easy one. The diagramme is correct. Mat in one.
Very nice the first. 2 minutes. A tipycal example of lateral thinking by Edward De Bono! You needn't coordinates!
You are right, I corrected the diagram, White to move.
There
There is only one solution but why?
You need some retrograd analysis to understand.
I met a guy in Brussels who raised his arms announcing proudly mate. He lost the game.
Feb 9, 2013
0
#52
Wow, it took me several seconds to spot the Black king in the very first puzzle! After that, the mate in one came pretty quickly. Maybe 7 seconds? That's a long time for me.
Less than a second to view the board, less than a second to get the solution. Totals to about a second.
Feb 9, 2013
0
#54
Tantale, in your diagram in post#58, you state that there's only one solution but there are definitely two...
1. Ne5# and 1. Nd4#
Could you please explain what you mean ?
{ In the absence of coordinates, the orientation is given by the FEN string & it clearly shows your white king to be at a8, so I hope you're not going to tell us that the board is inverted }
7 seconds is a eternity for the voyageur de Langevin
I saw the first one immediately (d8Q) then noticed the pawn was pinned. Then, after 20 seconds, I spotted it -- Ng6!. Until somebody posted the puzzle version later in the threat, and I saw that g6 was covered by the bishop on b1.
In short, I think that almost everybody who saw the first one in one second actually got it wrong.
The first puzzle took me a little while but the second one, no time at all.
I always load these things into the Game Editor on this site & that shows you immediately whether a move is mate or not. It also shows you the orientation of the board !
The third puzzle is much easier than the first two because the only piece that can possibly check all those kings is a knight & there's only one knight that can do it. I wouldn't have thought it was physically possible to mate so many kings at once ! Very cleverly constructed.
Cokelover - there may be a clue in your username as to why your first 'puzzle' is so bizzare but the black king is already in mate !
At least your second one works but I counted four mates in one...
1. Qc4# ( 1. Qd5# ) ( 1. Ng5# ) (1. Nc4# )
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