X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=83fb722faf6d2ac0922ee6ffbb1e730ca734a29d;hp=ef47fd22307ee9cdb31bbbbb5956d0f2869470a3;hb=65b976439f8867e81682c0b66da6796ad3176177;hpb=a72cec1ff854a77a92452c2afe2001e05f06e6d4

diff --git a/src/search.cpp b/src/search.cpp
index ef47fd22..83fb722f 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1126,12 +1126,6 @@ moves_loop: // When in check, search starts from here
                && (pos.is_discovery_check_on_king(~us, move) || pos.see_ge(move)))
           extension = 1;
 
-      // Passed pawn extension
-      else if (   move == ss->killers[0]
-               && pos.advanced_pawn_push(move)
-               && pos.pawn_passed(us, to_sq(move)))
-          extension = 1;
-
       // Last captures extension
       else if (   PieceValue[EG][pos.captured_piece()] > PawnValueEg
                && pos.non_pawn_material() <= 2 * RookValueMg)
@@ -1139,7 +1133,7 @@ moves_loop: // When in check, search starts from here
 
       // Castling extension
       if (   type_of(move) == CASTLING
-          && popcount(pos.pieces(us) & ~pos.pieces(PAWN) & (to_sq(move) & KingSide ? KingSide : QueenSide)) <= 3)
+          && popcount(pos.pieces(us) & ~pos.pieces(PAWN) & (to_sq(move) & KingSide ? KingSide : QueenSide)) <= 2)
           extension = 1;
 
       // Late irreversible move extension