Retire 'mate in x' hack

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index c574058df4be545a297dc83f74da0c43203c4ecb..744d84f442e682808839cf5b1195b1555f821e2b 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -602,11 +602,6 @@ namespace {
                  ss->staticEval, ss->evalMargin);
     }
 
                  ss->staticEval, ss->evalMargin);
     }
 

-    // Handling of UCI command 'mate in x moves'. We simply return if after
-    // 'x' moves we still have not checkmated the opponent.
-    if (PvNode && !RootNode && !inCheck && Limits.mate && ss->ply > 2 * Limits.mate)
-        return eval;
-

     // Update gain for the parent non-capture move given the static position
     // evaluation before and after the move.
     if (   (move = (ss-1)->currentMove) != MOVE_NULL
     // Update gain for the parent non-capture move given the static position
     // evaluation before and after the move.
     if (   (move = (ss-1)->currentMove) != MOVE_NULL