X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=1bbc0a36eb7f12e1b043b3dace6d5aa986d75363;hp=6ae46f4199589c397596c1c18235414bcafe5601;hb=ad1f28bc1c1c5426fb8ab246f5d43ad57002b4d5;hpb=e0a00c499654850108749ca6fd686f79188ac1f9

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 6ae46f41..1bbc0a36 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -88,7 +88,7 @@ namespace {
   //
   // Values modified by Joona Kiiski
   const Score WeightsInternal[] = {
-      S(284, 229), S(252, 259), S(46, 0), S(209, 0), S(349, 0)
+      S(248, 271), S(252, 259), S(46, 0), S(247, 0), S(259, 0)
   };
 
   // MobilityBonus[PieceType][attacked] contains mobility bonuses for middle and
@@ -275,7 +275,6 @@ Value do_evaluate(const Position& pos, Value& margin) {
   Value margins[2];
   Score score, mobilityWhite, mobilityBlack;
 
-  assert(pos.is_ok());
   assert(pos.thread() >= 0 && pos.thread() < MAX_THREADS);
   assert(!pos.in_check());
 
@@ -527,7 +526,8 @@ namespace {
             score -= ThreatenedByPawnPenalty[Piece];
 
         // Bishop and knight outposts squares
-        if ((Piece == BISHOP || Piece == KNIGHT) && pos.square_is_weak(s, Us))
+        if (    (Piece == BISHOP || Piece == KNIGHT)
+            && !(pos.pieces(PAWN, Them) & attack_span_mask(Us, s)))
             score += evaluate_outposts<Piece, Us>(pos, ei, s);
 
         // Queen or rook on 7th rank