X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fevaluate.cpp;h=566eba6d93433659afa89898dac49de293c50cbb;hp=51cba651d5ef0088c912c79ca8ac622ce75a1eca;hb=298cf150958212e3270182644fd87f5489823b27;hpb=aa0166fba66d1bd3d2756f8f16b7f6161064d0a3

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 51cba651..566eba6d 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -328,7 +328,7 @@ namespace {
                 // bishop, bigger when the center files are blocked with pawns.
                 Bitboard blocked = pos.pieces(Us, PAWN) & shift<Down>(pos.pieces());
 
-                score -= BishopPawns * pe->pawns_on_same_color_squares(Us, s)
+                score -= BishopPawns * pos.pawns_on_same_color_squares(Us, s)
                                      * (1 + popcount(blocked & CenterFiles));
 
                 // Bonus for bishop on a long diagonal which can "see" both center squares
@@ -358,8 +358,8 @@ namespace {
                 score += RookOnPawn * popcount(pos.pieces(Them, PAWN) & PseudoAttacks[ROOK][s]);
 
             // Bonus for rook on an open or semi-open file
-            if (pe->semiopen_file(Us, file_of(s)))
-                score += RookOnFile[bool(pe->semiopen_file(Them, file_of(s)))];
+            if (pos.semiopen_file(Us, file_of(s)))
+                score += RookOnFile[bool(pos.semiopen_file(Them, file_of(s)))];
 
             // Penalty when trapped by the king, even more if the king cannot castle
             else if (mob <= 3)
@@ -472,10 +472,10 @@ namespace {
                  -   6 * mg_value(score) / 8
                  +       mg_value(mobility[Them] - mobility[Us])
                  +   5 * kingFlankAttacks * kingFlankAttacks / 16
-                 -   25;
+                 -   15;
 
     // Transform the kingDanger units into a Score, and subtract it from the evaluation
-    if (kingDanger > 0)
+    if (kingDanger > 100)
         score -= make_score(kingDanger * kingDanger / 4096, kingDanger / 16);
 
     // Penalty when our king is on a pawnless flank
@@ -720,7 +720,7 @@ namespace {
 
     int bonus = popcount(safe) + popcount(behind & safe);
     int weight =  pos.count<ALL_PIECES>(Us)
-                - 2 * popcount(pe->semiopenFiles[WHITE] & pe->semiopenFiles[BLACK]);
+               - (16 - pos.count<PAWN>()) / 4;
 
     Score score = make_score(bonus * weight * weight / 16, 0);