Don't update gamePly after each move

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 8b5f3b2b6d8c6171575a31f1cb3e3afcfe8327f3..aec6434553a8c82f48908fad4183ed20ea50121d 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -633,12 +633,6 @@ namespace {
         // Check for some early stop condition
         if (!StopRequest && Limits.useTimeManagement())
         {
-            // Stop search early when the last two iterations returned a mate score
-            if (   depth >= 5
-                && abs(bestValues[depth])     >= VALUE_MATE_IN_PLY_MAX
-                && abs(bestValues[depth - 1]) >= VALUE_MATE_IN_PLY_MAX)
-                StopRequest = true;
-
             // Stop search early if one move seems to be much better than the
             // others or if there is only a single legal move. Also in the latter
             // case we search up to some depth anyway to get a proper score.
@@ -2023,7 +2017,7 @@ split_point_start: // At split points actual search starts from here
     while (   (tte = TT.probe(pos.get_key())) != NULL
            && tte->move() != MOVE_NONE
            && pos.move_is_pl(tte->move())
-           && pos.pl_move_is_legal(tte->move(), pos.pinned_pieces(pos.side_to_move()))
+           && pos.pl_move_is_legal(tte->move(), pos.pinned_pieces())
            && ply < PLY_MAX
            && (!pos.is_draw<false>() || ply < 2))
     {