X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.cpp;h=4eb842a0e3e7d9eda96a7bf1e7a1ff1c599bb013;hp=6a7fd4ebce3e50bcc8d598b5d04702ad4fe7a455;hb=72c7595f8ac72c7831ee319b8b0bc46404c5fc27;hpb=24b7ad54c747ef38818484567624696fe3ef5e9e diff --git a/src/movepick.cpp b/src/movepick.cpp index 6a7fd4eb..4eb842a0 100644 --- a/src/movepick.cpp +++ b/src/movepick.cpp @@ -45,9 +45,7 @@ namespace { int MainSearchPhaseIndex; int EvasionsPhaseIndex; int QsearchWithChecksPhaseIndex; - int QsearchNoCapturesPhaseIndex; int QsearchWithoutChecksPhaseIndex; - int NoMovesPhaseIndex; } @@ -66,7 +64,7 @@ namespace { /// move ordering is at the current node. MovePicker::MovePicker(const Position& p, bool pv, Move ttm, - const SearchStack& ss, Depth d, EvalInfo* ei) : pos(p) { + const SearchStack& ss, Depth d) : pos(p) { pvNode = pv; ttMove = ttm; mateKiller = (ss.mateKiller == ttm)? MOVE_NONE : ss.mateKiller; @@ -77,24 +75,16 @@ MovePicker::MovePicker(const Position& p, bool pv, Move ttm, numOfMoves = 0; numOfBadCaptures = 0; - // With EvalInfo we are able to know how many captures are possible before - // generating them. So avoid generating in case we know are zero. - Color us = pos.side_to_move(); - Color them = opposite_color(us); - bool noCaptures = ei - && (ei->attackedBy[us][0] & pos.pieces_of_color(them)) == 0 - && !ei->mi->specialized_eval_exists() - && (pos.ep_square() == SQ_NONE) - && !pos.has_pawn_on_7th(us); - if (p.is_check()) phaseIndex = EvasionsPhaseIndex; else if (depth > Depth(0)) phaseIndex = MainSearchPhaseIndex; else if (depth == Depth(0)) - phaseIndex = (noCaptures ? QsearchNoCapturesPhaseIndex : QsearchWithChecksPhaseIndex); + phaseIndex = QsearchWithChecksPhaseIndex; else - phaseIndex = (noCaptures ? NoMovesPhaseIndex : QsearchWithoutChecksPhaseIndex); + phaseIndex = QsearchWithoutChecksPhaseIndex; + + Color us = pos.side_to_move(); dc = p.discovered_check_candidates(us); pinned = p.pinned_pieces(us); @@ -525,17 +515,9 @@ void MovePicker::init_phase_table() { PhaseTable[i++] = PH_QCHECKS; PhaseTable[i++] = PH_STOP; - // Quiescence search with checks only and no captures - QsearchNoCapturesPhaseIndex = i - 1; - PhaseTable[i++] = PH_QCHECKS; - PhaseTable[i++] = PH_STOP; - // Quiescence search without checks QsearchWithoutChecksPhaseIndex = i - 1; PhaseTable[i++] = PH_QCAPTURES; PhaseTable[i++] = PH_STOP; - // Do not generate any move - NoMovesPhaseIndex = i - 1; - PhaseTable[i++] = PH_STOP; }