X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=df7ff5ea33776e61eb7fb75fa9365d58bc4c1128;hp=bf1eee9b9c6cd5385631dd419bdd28c1aba4ae5b;hb=ddd4224640e04463c62b5896660f6f6abe4cc1a5;hpb=6ccb1cac5aaaf7337da8b1738448793be63fdfdb diff --git a/src/evaluate.cpp b/src/evaluate.cpp index bf1eee9b..df7ff5ea 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -701,9 +701,6 @@ namespace { int outflanking = distance(pos.square(WHITE), pos.square(BLACK)) - distance(pos.square(WHITE), pos.square(BLACK)); - bool infiltration = rank_of(pos.square(WHITE)) > RANK_4 - || rank_of(pos.square(BLACK)) < RANK_5; - bool pawnsOnBothFlanks = (pos.pieces(PAWN) & QueenSide) && (pos.pieces(PAWN) & KingSide); @@ -711,15 +708,18 @@ namespace { && outflanking < 0 && !pawnsOnBothFlanks; + bool infiltration = rank_of(pos.square(WHITE)) > RANK_4 + || rank_of(pos.square(BLACK)) < RANK_5; + // Compute the initiative bonus for the attacking side int complexity = 9 * pe->passed_count() + 11 * pos.count() + 9 * outflanking - + 12 * infiltration + 21 * pawnsOnBothFlanks + + 24 * infiltration + 51 * !pos.non_pawn_material() - 43 * almostUnwinnable - - 100 ; + -110 ; // Give more importance to non-material score Value mg = mg_value(score);