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Fix in ok_to_history(): castle move is not a capture

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It is erroneusly considered a capture because king
moves on the same square of the rook.

Use the correct function Position::move_is_capture()
instead of the open coded (and buggy) one.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-11-10 19:04:15 +01:00
parent d89a03cc35
commit 2d4e2bc62a
1 changed files with 2 additions and 4 deletions
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6
src/search.cpp
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@ -2155,13 +2155,11 @@ namespace {
// ok_to_history() returns true if a move m can be stored
// in history. Should be a non capturing move.
// in history. Should be a non capturing move nor a promotion.
bool ok_to_history(const Position& pos, Move m) {
return pos.square_is_empty(move_to(m))
&& !move_promotion(m)
&& !move_is_ep(m);
return !pos.move_is_capture(m) && !move_promotion(m);
}