X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fendgame.cpp;h=311443ec939f82ac7b2af69c836524ba8e8768a4;hp=572c160d42ba60c018a64bfbe13ed4c4403f42a1;hb=15e21911110f9d459c4fef2bb17903d97345d0b9;hpb=d0587f2c7f31ea30885007beca76e832b8713501 diff --git a/src/endgame.cpp b/src/endgame.cpp index 572c160d..311443ec 100644 --- a/src/endgame.cpp +++ b/src/endgame.cpp @@ -166,6 +166,7 @@ Value Endgame::operator()(const Position& pos) const { if ( pos.count(strongSide) || pos.count(strongSide) + ||(pos.count(strongSide) && pos.count(strongSide)) || pos.bishop_pair(strongSide)) result += VALUE_KNOWN_WIN; @@ -240,18 +241,18 @@ Value Endgame::operator()(const Position& pos) const { Square rsq = relative_square(strongSide, pos.list(strongSide)[0]); Square psq = relative_square(strongSide, pos.list(weakSide)[0]); - Square queeningSq = file_of(psq) | RANK_1; + Square queeningSq = make_square(file_of(psq), RANK_1); Value result; // If the stronger side's king is in front of the pawn, it's a win if (wksq < psq && file_of(wksq) == file_of(psq)) - result = RookValueEg - Value(square_distance(wksq, psq)); + result = RookValueEg - square_distance(wksq, psq); // If the weaker side's king is too far from the pawn and the rook, // it's a win. else if ( square_distance(bksq, psq) >= 3 + (pos.side_to_move() == weakSide) && square_distance(bksq, rsq) >= 3) - result = RookValueEg - Value(square_distance(wksq, psq)); + result = RookValueEg - square_distance(wksq, psq); // If the pawn is far advanced and supported by the defending king, // the position is drawish @@ -259,13 +260,12 @@ Value Endgame::operator()(const Position& pos) const { && square_distance(bksq, psq) == 1 && rank_of(wksq) >= RANK_4 && square_distance(wksq, psq) > 2 + (pos.side_to_move() == strongSide)) - result = Value(80 - square_distance(wksq, psq) * 8); + result = Value(80) - 8 * square_distance(wksq, psq); else - result = Value(200) - - Value(square_distance(wksq, psq + DELTA_S) * 8) - + Value(square_distance(bksq, psq + DELTA_S) * 8) - + Value(square_distance(psq, queeningSq) * 8); + result = Value(200) - 8 * ( square_distance(wksq, psq + DELTA_S) + - square_distance(bksq, psq + DELTA_S) + - square_distance(psq, queeningSq)); return strongSide == pos.side_to_move() ? result : -result; } @@ -371,7 +371,7 @@ ScaleFactor Endgame::operator()(const Position& pos) const { && !(pawns & ~file_bb(pawnFile))) { Square bishopSq = pos.list(strongSide)[0]; - Square queeningSq = relative_square(strongSide, pawnFile | RANK_8); + Square queeningSq = relative_square(strongSide, make_square(pawnFile, RANK_8)); Square kingSq = pos.king_square(weakSide); if ( opposite_colors(queeningSq, bishopSq) @@ -463,7 +463,7 @@ ScaleFactor Endgame::operator()(const Position& pos) const { File f = file_of(wpsq); Rank r = rank_of(wpsq); - Square queeningSq = f | RANK_8; + Square queeningSq = make_square(f, RANK_8); int tempo = (pos.side_to_move() == strongSide); // If the pawn is not too far advanced and the defending king defends the @@ -721,12 +721,12 @@ ScaleFactor Endgame::operator()(const Position& pos) const { if (relative_rank(strongSide, psq1) > relative_rank(strongSide, psq2)) { blockSq1 = psq1 + pawn_push(strongSide); - blockSq2 = file_of(psq2) | rank_of(psq1); + blockSq2 = make_square(file_of(psq2), rank_of(psq1)); } else { blockSq1 = psq2 + pawn_push(strongSide); - blockSq2 = file_of(psq1) | rank_of(psq2); + blockSq2 = make_square(file_of(psq1), rank_of(psq2)); } switch (file_distance(psq1, psq2))