X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.cpp;h=2f6af13f462c4dda354d5ef1edf2e970b7a6b56c;hp=b8152f7d2870db93ec92331025f9e247e48f332d;hb=a89b26bedd7e07f23c8292dcdccbd527c68d56f4;hpb=8bfb53efe21c314695220a76ab5555492a3cf94a;ds=sidebyside

diff --git a/src/material.cpp b/src/material.cpp
index b8152f7d..2f6af13f 100644
--- a/src/material.cpp
+++ b/src/material.cpp
@@ -34,7 +34,7 @@ namespace {
   // Polynomial material balance parameters
 
   //                                  pair  pawn knight bishop rook queen
-  const int LinearCoefficients[6] = { 1852, -162, -1122, -183,  249, -157 };
+  const int LinearCoefficients[6] = { 1852, -162, -1122, -183,  249, -154 };
 
   const int QuadraticCoefficientsSameColor[][PIECE_TYPE_NB] = {
     // pair pawn knight bishop rook queen
@@ -43,7 +43,7 @@ namespace {
     {  35,  271,  -4                    }, // Knight
     {   0,  105,   4,    0              }, // Bishop
     { -27,   -2,  46,   100,  -141      }, // Rook
-    {-161,   30, 126,   144,  -127,   0 }  // Queen
+    {-177,   25, 129,   142,  -137,   0 }  // Queen
   };
 
   const int QuadraticCoefficientsOppositeColor[][PIECE_TYPE_NB] = {
@@ -54,7 +54,7 @@ namespace {
     {  10,   62,   0                    }, // Knight      OUR PIECES
     {  57,   64,  39,     0             }, // Bishop
     {  50,   40,  23,   -22,    0       }, // Rook
-    { 103,   90, -40,   142,  268,    0 }  // Queen
+    {  98,  105, -39,   141,  274,    0 }  // Queen
   };
 
   // Endgame evaluation and scaling functions are accessed directly and not through