Increase the mg->eg gradient for the PawnlessFlank malus

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 55ceadfdbf403c8a1252bc04ba8be4044c73c82a..964a3870b7ded986f721b46f35fab93f23332e77 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -165,7 +165,7 @@ namespace {
   constexpr Score LongDiagonalBishop = S( 22,  0);
   constexpr Score MinorBehindPawn    = S( 16,  0);
   constexpr Score Overload           = S( 13,  6);
   constexpr Score LongDiagonalBishop = S( 22,  0);
   constexpr Score MinorBehindPawn    = S( 16,  0);
   constexpr Score Overload           = S( 13,  6);

-  constexpr Score PawnlessFlank      = S( 20, 80);
+  constexpr Score PawnlessFlank      = S( 19, 84);

   constexpr Score RookOnPawn         = S(  8, 24);
   constexpr Score SliderOnQueen      = S( 42, 21);
   constexpr Score ThreatByKing       = S( 23, 76);
   constexpr Score RookOnPawn         = S(  8, 24);
   constexpr Score SliderOnQueen      = S( 42, 21);
   constexpr Score ThreatByKing       = S( 23, 76);