X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.cpp;h=0f1e19b9ee4a954f69bb84844e9227110f21709a;hp=22953cff6d8d4328706cb1ffe4299d46214d2c05;hb=04fd7efdfa69c7eff716192238989b6dcdcead00;hpb=4ede49cd850392f28bc9da9537c111d2c3f0b297

diff --git a/src/material.cpp b/src/material.cpp
index 22953cff..0f1e19b9 100644
--- a/src/material.cpp
+++ b/src/material.cpp
@@ -240,7 +240,8 @@ Entry* probe(const Position& pos, Table& entries, Endgames& endgames) {
       }
   }
 
-  // No pawns makes it difficult to win, even with a material advantage
+  // No pawns makes it difficult to win, even with a material advantage. This
+  // catches some trivial draws like KK, KBK and KNK
   if (!pos.count<PAWN>(WHITE) && npm_w - npm_b <= BishopValueMg)
   {
       e->factor[WHITE] = (uint8_t)
@@ -259,7 +260,7 @@ Entry* probe(const Position& pos, Table& entries, Endgames& endgames) {
       int minorPieceCount =  pos.count<KNIGHT>(WHITE) + pos.count<BISHOP>(WHITE)
                            + pos.count<KNIGHT>(BLACK) + pos.count<BISHOP>(BLACK);
 
-      e->spaceWeight = minorPieceCount * minorPieceCount;
+      e->spaceWeight = make_score(minorPieceCount * minorPieceCount, 0);
   }
 
   // Evaluate the material imbalance. We use PIECE_TYPE_NONE as a place holder