Remove piece condition in decrease lmr reduction check

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
official-stockfish · Dec 4, 2016 · 46d066b · 46d066b
1 parent bf8b45f
commit 46d066b
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -996,7 +996,6 @@ namespace {
               // 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;