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Restrict mobility of pinned pieces

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Passed both short TC:
LLR: 3.00 (-2.94,2.94) [-1.50,4.50]
Total: 54342 W: 10950 L: 10692 D: 32700

And long TC:
LLR: 2.95 (-2.94,2.94) [0.00,6.00]
Total: 61976 W: 10654 L: 10251 D: 41071

This patch introduces a slowdown of 3.5 % !!!!!

bench: 7911558
This commit is contained in:
Gary Linscott
2013-11-07 13:59:11 -05:00
committed by Marco Costalba
parent ecd07e51d0
commit 13d1f0ae43
6 changed files with 19 additions and 12 deletions
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2
src/movegen.cpp
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@@ -407,7 +407,7 @@ template<>
ExtMove* generate<LEGAL>(const Position& pos, ExtMove* mlist) {
ExtMove *end, *cur = mlist;
Bitboard pinned = pos.pinned_pieces();
Bitboard pinned = pos.pinned_pieces(pos.side_to_move());
Square ksq = pos.king_square(pos.side_to_move());
end = pos.checkers() ? generate<EVASIONS>(pos, mlist)