Remove piece condition in decrease lmr reduction check
authorElbertoOne <ElbertoOne@users.noreply.github.com>
Sun, 4 Dec 2016 08:28:55 +0000 (09:28 +0100)
committerMarco Costalba <mcostalba@users.noreply.github.com>
Sun, 4 Dec 2016 08:28:55 +0000 (09:28 +0100)
STC: http://tests.stockfishchess.org/tests/view/584154780ebc5903140c55cf
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 40866 W: 7251 L: 7164 D: 26451

LTC: http://tests.stockfishchess.org/tests/view/5841e6e50ebc5903140c5605
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 62413 W: 7948 L: 7881 D: 46584

Bench: 5807913

src/search.cpp

index b916264..db94ed5 100644 (file)
@@ -996,7 +996,6 @@ moves_loop: // When in check search starts from here
               // castling moves, because they are coded as "king captures rook" and
               // hence break make_move().
               else if (   type_of(move) == NORMAL
-                       && type_of(pos.piece_on(to_sq(move))) != PAWN
                        && !pos.see_ge(make_move(to_sq(move), from_sq(move)),  VALUE_ZERO))
                   r -= 2 * ONE_PLY;