X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.cpp;h=650218f48f468f4d36bbae33a6167c219c890d70;hp=638f81757d2af94d72c9b0c6739ab1d191d2c6f5;hb=d8e5b8c133be7e49b47236a83f82e0cd6290c20c;hpb=252844e899515d48c0db1153ef5e91bdd8c6679f diff --git a/src/movepick.cpp b/src/movepick.cpp index 638f8175..650218f4 100644 --- a/src/movepick.cpp +++ b/src/movepick.cpp @@ -213,7 +213,6 @@ void MovePicker::score_noncaptures() { Move m; Piece piece; Square from, to; - int hs; for (MoveStack* cur = moves; cur != lastMove; cur++) { @@ -221,14 +220,7 @@ void MovePicker::score_noncaptures() { from = move_from(m); to = move_to(m); piece = pos.piece_on(from); - hs = H.move_ordering_score(piece, to); - - // Ensure history is always preferred to pst - if (hs > 0) - hs += 1000; - - // pst based scoring - cur->score = hs + mg_value(pos.pst_delta(piece, from, to)); + cur->score = H.move_ordering_score(piece, to); } } @@ -248,7 +240,7 @@ void MovePicker::score_evasions_or_checks() { { m = cur->move; if ((seeScore = pos.see_sign(m)) < 0) - cur->score = seeScore; + cur->score = seeScore - HistoryMax; // Be sure are at the bottom else if (pos.move_is_capture(m)) cur->score = pos.midgame_value_of_piece_on(move_to(m)) - pos.type_of_piece_on(move_from(m)) + HistoryMax;