X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.cpp;h=4b90ab1c973fc7fd60fdca3da67c4bada26648d8;hp=b571cdf1787204e6c3e7c919da7c782de33439d4;hb=ef38046e734490499e4b6254dbf4fc434bf37fc9;hpb=cff9a8672c1da7d36bc54d168d10ea2b1ce5c728

diff --git a/src/search.cpp b/src/search.cpp
index b571cdf1..4b90ab1c 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -999,13 +999,6 @@ moves_loop: // When in check, search starts from here
                && (pos.is_discovery_check_on_king(~us, move) || pos.see_ge(move)))
           extension = 1;
 
-      // Shuffle extension
-      else if (   PvNode
-               && pos.rule50_count() > 18
-               && depth < 3
-               && ++thisThread->shuffleExts < thisThread->nodes.load(std::memory_order_relaxed) / 4)  // To avoid too many extensions
-          extension = 1;
-
       // Passed pawn extension
       else if (   move == ss->killers[0]
                && pos.advanced_pawn_push(move)