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[Bug-XBoard] [bug #27656] Autoqueen with premove


From: anonymous
Subject: [Bug-XBoard] [bug #27656] Autoqueen with premove
Date: Mon, 12 Oct 2009 18:01:33 +0000
User-agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Follow-up Comment #4, bug #27656 (project xboard):

I also have thinking about alternative ways to enter under-promotions. One
idea I came up with was to move the Pawn off-board in stead of on the last
rank. The X-coordinate could still be used to indicate where you want to
promote.

Yet another method would be to use the right mouse button for this. The
current use is for the piece drop menu, but this is really deprecated now that
we have the holdings displayed, so we could remove it. Right-clicking on the
to-square could summon up the promotion popup, while left-clicking would
promote to the default piece (usually Queen). Actually this would even be
compatible with the piece-drop menu, when the latter would only appear on
right-clicking a square when no from-square is selected yet.

The advantage of the second method over the first would be that it is also
usable in Shogi, where there are three promotion ranks and the move can only
be entered unambiguously when you indicate both coordinates of the to-square
(e.g. for a Lance).

Premove will remain a problem in variants where you can only promote to
captured pieces, (-variant super and great) as the opponent move might capture
something that is not available now. So the premove popup would have to
choices that might not be available by the time the move has to be played,
making it illegal. (Which is an inherent problem with premoves anyway.) So the
choice offered by the promotion popup should depend on if it is fr a premove
or a regular move.

H.G. Muller

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