Mobile phalanxes

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 18f5adc4084c9f9132d59230f76a24eccf297416..8c5ecc36847ac88e5be0b7be3b19650fb853aa65 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -163,7 +163,7 @@ namespace {
   const Score Unstoppable        = S( 0, 20);
   const Score Hanging            = S(31, 26);
   const Score PawnAttackThreat   = S(20, 20);
-  const Score PawnSafePush       = S( 5 , 5);
+  const Score PawnSafePush       = S( 5,  5);
 
   // Penalty for a bishop on a1/h1 (a8/h8 for black) which is trapped by
   // a friendly pawn on b2/g2 (b7/g7 for black). This can obviously only
@@ -414,10 +414,10 @@ namespace {
         // attacked and undefended squares around our king and the quality of
         // the pawn shelter (current 'score' value).
         attackUnits =  std::min(74, ei.kingAttackersCount[Them] * ei.kingAttackersWeight[Them])
-                     + 8 * ei.kingAdjacentZoneAttacksCount[Them]
+                     +  8 * ei.kingAdjacentZoneAttacksCount[Them]
                      + 25 * popcount<Max15>(undefended)
-                     +  11 * (ei.pinnedPieces[Us] != 0)
-                     - mg_value(score) * 31 / 256
+                     + 11 * (ei.pinnedPieces[Us] != 0)
+                     - mg_value(score) / 8
                      - !pos.count<QUEEN>(Them) * 60;
 
         // Analyse the enemy's safe queen contact checks. Firstly, find the