From: Marco Costalba <mcostalba@gmail.com>
Date: Fri, 29 May 2015 03:38:40 +0000 (+0200)
Subject: Checking for rook color when setting castling
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=2795aedbc3710287448bad058c6077920066ad30;hp=2795aedbc3710287448bad058c6077920066ad30

Checking for rook color when setting castling

In Chess960 we can have legal positions with
opponent rook in A or H file and with castling
available, for instance:

4k3/pppppppp/8/8/8/8/PPPPPPPP/rR2K3 w Q - 0 1

In those cases we pick up the wrong rook when
setting castling.

Fix it by checking the color of the rook.

Bug reported by Matthew Lai.

No functional change.
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