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TEST: extend when few moves available

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Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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Marco Costalba 2008-10-26 14:52:37 +01:00
parent a56e1c662c
commit 13d1776a98
1 changed files with 2 additions and 1 deletions
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3
src/search.cpp
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@ -931,6 +931,7 @@ namespace {
{ {
assert(move_is_ok(move)); assert(move_is_ok(move));
bool fewMoves = (depth <= OnePly && mp.number_of_moves() < 4);
bool singleReply = (pos.is_check() && mp.number_of_moves() == 1); bool singleReply = (pos.is_check() && mp.number_of_moves() == 1);
bool moveIsCheck = pos.move_is_check(move, dcCandidates); bool moveIsCheck = pos.move_is_check(move, dcCandidates);
bool moveIsCapture = pos.move_is_capture(move); bool moveIsCapture = pos.move_is_capture(move);
@ -942,7 +943,7 @@ namespace {
PawnValueMidgame : pos.midgame_value_of_piece_on(move_to(move)); PawnValueMidgame : pos.midgame_value_of_piece_on(move_to(move));
// Decide the new search depth // Decide the new search depth
Depth ext = extension(pos, move, true, moveIsCheck, singleReply, mateThreat); Depth ext = extension(pos, move, true, moveIsCheck, singleReply || fewMoves, mateThreat);
Depth newDepth = depth - OnePly + ext; Depth newDepth = depth - OnePly + ext;
// Make and search the move // Make and search the move