Tweak of knight PSQT and mobility bonuses

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index e36c19c6ef1148ebb993b6ed025468f9920dc851..8a21b0bb5b241685995a17a9cb913e516c70e694 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -102,8 +102,8 @@ namespace {
   // MobilityBonus[PieceType-2][attacked] contains bonuses for middle and end game,
   // indexed by piece type and number of attacked squares in the mobility area.
   constexpr Score MobilityBonus[][32] = {
-    { S(-75,-76), S(-57,-54), S( -9,-28), S( -2,-10), S(  6,  5), S( 14, 12), // Knights
-      S( 22, 26), S( 29, 29), S( 36, 29) },
+    { S(-62,-81), S(-53,-56), S(-12,-30), S( -4,-14), S(  3,  8), S( 13, 15), // Knights
+      S( 22, 23), S( 28, 27), S( 33, 33) },
     { S(-48,-59), S(-20,-23), S( 16, -3), S( 26, 13), S( 38, 24), S( 51, 42), // Bishops
       S( 55, 54), S( 63, 57), S( 63, 65), S( 68, 73), S( 81, 78), S( 81, 86),
       S( 91, 88), S( 98, 97) },