Remove one test in the move loop

Gives a very small speed-up (0.3%) on my system closes official-stockfish#4815 No functional change
snicolet · Oct 1, 2023 · 3fdd37d · 3fdd37d
1 parent afe7f4d
commit 3fdd37d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/search.cpp b/src/search.cpp
@@ -954,7 +954,7 @@ namespace {
           continue;
 
       // Check for legality
-      if (!rootNode && !pos.legal(move))
+      if (!pos.legal(move))
           continue;
 
       ss->moveCount = ++moveCount;