X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=fe4eef57493c8ed3a601120dc7fee3233e7a1b5d;hp=aeaae07f10720114be0986e93b91d37f6ee41200;hb=0958e5c6d346d1fac5fbae5e12762a48c6d24a2a;hpb=f84f04742a30166c2751de28245e11922da132fb diff --git a/src/evaluate.cpp b/src/evaluate.cpp index aeaae07f..fe4eef57 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -156,12 +156,12 @@ namespace { const Score Tempo = make_score(24, 11); // Rooks and queens on the 7th rank - const Score RookOn7thBonus = make_score(3, 20); - const Score QueenOn7thBonus = make_score(1, 8); + const Score RookOn7thBonus = make_score(11, 20); + const Score QueenOn7thBonus = make_score( 3, 8); // Rooks and queens attacking pawns on the same rank - const Score RookOnPawnBonus = make_score(3, 48); - const Score QueenOnPawnBonus = make_score(1, 40); + const Score RookOnPawnBonus = make_score(10, 28); + const Score QueenOnPawnBonus = make_score( 4, 20); // Rooks on open files (modified by Joona Kiiski) const Score RookOpenFileBonus = make_score(43, 21); @@ -642,31 +642,19 @@ Value do_evaluate(const Position& pos, Value& margin) { score += RookHalfOpenFileBonus; } - // Penalize rooks which are trapped inside a king. Penalize more if - // king has lost right to castle. if (mob > 6 || ei.pi->file_is_half_open(Us, f)) continue; ksq = pos.king_square(Us); - if ( file_of(ksq) >= FILE_E - && file_of(s) > file_of(ksq) - && (relative_rank(Us, ksq) == RANK_1 || rank_of(ksq) == rank_of(s))) - { - // Is there a half-open file between the king and the edge of the board? - if (!ei.pi->has_open_file_to_right(Us, file_of(ksq))) - score -= make_score(pos.can_castle(Us) ? (TrappedRookPenalty - mob * 16) / 2 - : (TrappedRookPenalty - mob * 16), 0); - } - else if ( file_of(ksq) <= FILE_D - && file_of(s) < file_of(ksq) - && (relative_rank(Us, ksq) == RANK_1 || rank_of(ksq) == rank_of(s))) - { - // Is there a half-open file between the king and the edge of the board? - if (!ei.pi->has_open_file_to_left(Us, file_of(ksq))) - score -= make_score(pos.can_castle(Us) ? (TrappedRookPenalty - mob * 16) / 2 - : (TrappedRookPenalty - mob * 16), 0); - } + // Penalize rooks which are trapped inside a king. Penalize more if + // king has lost right to castle. + if ( ((file_of(ksq) < FILE_E) == (file_of(s) < file_of(ksq))) + && rank_of(ksq) == rank_of(s) + && relative_rank(Us, ksq) == RANK_1 + && !ei.pi->has_open_file_on_side(Us, file_of(ksq), file_of(ksq) < FILE_E)) + score -= make_score(pos.can_castle(Us) ? (TrappedRookPenalty - mob * 16) / 2 + : (TrappedRookPenalty - mob * 16), 0); } } @@ -730,7 +718,7 @@ Value do_evaluate(const Position& pos, Value& margin) { Score score = mobility = SCORE_ZERO; // Do not include in mobility squares protected by enemy pawns or occupied by our pieces - const Bitboard mobilityArea = ~(ei.attackedBy[Them][PAWN] | pos.pieces(Us)); + const Bitboard mobilityArea = ~(ei.attackedBy[Them][PAWN] | pos.pieces(Us, PAWN, KING)); score += evaluate_pieces(pos, ei, mobility, mobilityArea); score += evaluate_pieces(pos, ei, mobility, mobilityArea);