Retire mateKiller

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index ae62d312426f7a328acb1f5c125a9f8026665258..6ade1b433494664a2af2f482e60ff8cc25717aa3 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -710,7 +710,7 @@ namespace {
     // Step 1. Initialize node and poll. Polling can abort search
     ss->currentMove = ss->bestMove = threatMove = (ss+1)->excludedMove = MOVE_NONE;
     (ss+1)->skipNullMove = false; (ss+1)->reduction = DEPTH_ZERO;
-    (ss+2)->killers[0] = (ss+2)->killers[1] = (ss+2)->mateKiller = MOVE_NONE;
+    (ss+2)->killers[0] = (ss+2)->killers[1] = MOVE_NONE;
 
     if (threadID == 0 && ++NodesSincePoll > NodesBetweenPolls)
     {
@@ -1149,9 +1149,6 @@ split_point_start: // At split points actual search starts from here
               else if (SpNode)
                   sp->is_betaCutoff = true;
 
-              if (value == value_mate_in(ss->ply + 1))
-                  ss->mateKiller = move;
-
               ss->bestMove = move;
 
               if (SpNode)