Prune castling moves

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 17b93ce794035c4f63d94b9bc338805db1687389..d8101e552f23807342a6b55ee7847fc8934405fe 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -880,7 +880,6 @@ moves_loop: // When in check and at SpNode search starts from here
           && !captureOrPromotion
           && !inCheck
           && !givesCheck
           && !captureOrPromotion
           && !inCheck
           && !givesCheck

-          &&  type_of(move) == NORMAL

           && !pos.advanced_pawn_push(move)
           &&  bestValue > VALUE_MATED_IN_MAX_PLY)
       {
           && !pos.advanced_pawn_push(move)
           &&  bestValue > VALUE_MATED_IN_MAX_PLY)
       {