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Letter #22 - 2013
Sub:
Double check
Date: 06/15/13 2:11:51 PM EDT
From: Rick
To:
service@chess-poster.com
Hello,
Can you show a position of a legal
double check to the King and another one being illegal?
A friend showed me a position in
which the King is being double checked but it looks to me that it is
not possible to arrive to such position because the King was already
in check in the previous move.
Thanks in advance.
Rick M.
Dear viewer,
Below, we show three double check
positions illustrating a legal position, an illegal one, and one
that may look illegal but it is not:
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Legal double check
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By
moving the Bishop from f6 to d4, white player can legally double check the
black King with both Bishop and Rook.
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Illegal double check
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This
image shows an illegal position since the pieces
setup could only be reached by placing the pieces
manually but not during an actual game. |
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Legal double check
- puzzle
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This
is a legal position even that resembles the illegal position
shown before. The answer lies in the previous move
white just made. |
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