X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=74e70fa2530cf6903b553e892ca95188b8484f65;hp=0249ee3b2a35c24071feb935069ed2e106926e59;hb=391cd57b52a18166f90202f01f28be1f3bf24d4c;hpb=b6ab610e2f3d9148e2a75984800cebc0757b7f01 diff --git a/src/evaluate.cpp b/src/evaluate.cpp index 0249ee3b..74e70fa2 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -821,7 +821,7 @@ namespace { // add all X-ray attacks by the rook or queen. Otherwise consider only // the squares in the pawn's path attacked or occupied by the enemy. if ( (squares_behind(Us, s) & pos.pieces(ROOK, QUEEN, Them)) - && (squares_behind(Us, s) & pos.pieces(ROOK, QUEEN, Them) & pos.attacks_from(s))) + && (squares_behind(Us, s) & pos.pieces(ROOK, QUEEN, Them) & pos.attacks_from(s))) unsafeSquares = squaresToQueen; else unsafeSquares = squaresToQueen & (ei.attacked_by(Them) | pos.pieces_of_color(Them)); @@ -902,7 +902,7 @@ namespace { if (d < 0 || pathDefended) { - int mtg = RANK_8 - relative_rank(c, s); + int mtg = RANK_8 - relative_rank(c, s) - int(relative_rank(c, s) == RANK_2); int blockerCount = count_1s_max_15(squares_in_front_of(c, s) & pos.occupied_squares()); mtg += blockerCount; d += blockerCount;