X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.cpp;h=40037bba47ed82e93e106a7828688ced284b4556;hp=47f74f84ee77888d60dacf0e03251977d3cc82ff;hb=80d7556af785f57a4f90d121c57c9c2f85a2963e;hpb=e6310b3469b07b6bbecf8d8f75367a655090f22b

diff --git a/src/pawns.cpp b/src/pawns.cpp
index 47f74f84..40037bba 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -243,6 +243,7 @@ Entry* probe(const Position& pos) {
 
   e->key = key;
   e->score = evaluate<WHITE>(pos, e) - evaluate<BLACK>(pos, e);
+  e->asymmetry = popcount<Max15>(e->semiopenFiles[WHITE] ^ e->semiopenFiles[BLACK]);
   return e;
 }