X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.cpp;h=0949a1bf418a899072865ad043d1048c39a1598b;hp=9a120661eb249306d1a52994a4485ea1b6bf60f9;hb=264c8637a30247f1054f60b7b728fb4340185efa;hpb=55a3e0af8d0d1e169cc8b16541ffeb41e157b66e

diff --git a/src/material.cpp b/src/material.cpp
index 9a120661..0949a1bf 100644
--- a/src/material.cpp
+++ b/src/material.cpp
@@ -66,8 +66,7 @@ namespace {
   // Helper templates used to detect a given material distribution
   template<Color Us> bool is_KXK(const Position& pos) {
     const Color Them = (Us == WHITE ? BLACK : WHITE);
-    return  !pos.count<PAWN>(Them)
-          && pos.non_pawn_material(Them) == VALUE_ZERO
+    return  !more_than_one(pos.pieces(Them))
           && pos.non_pawn_material(Us) >= RookValueMg;
   }