A small tweak in doEasyMove()

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index b75870ff5021968f66d0e0a0aa02271a310cec00..1101a41ed69e046561bdb18d61284af587ed613f 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -505,7 +505,7 @@ void Thread::search() {
 
               bool doEasyMove =   rootMoves[0].pv[0] == easyMove
                                && mainThread->bestMoveChanges < 0.03
 
               bool doEasyMove =   rootMoves[0].pv[0] == easyMove
                                && mainThread->bestMoveChanges < 0.03

-                               && Time.elapsed() > Time.optimum() * 5 / 42;
+                               && Time.elapsed() > Time.optimum() * 5 / 44;

 
               if (   rootMoves.size() == 1
                   || Time.elapsed() > Time.optimum() * unstablePvFactor * improvingFactor / 628
 
               if (   rootMoves.size() == 1
                   || Time.elapsed() > Time.optimum() * unstablePvFactor * improvingFactor / 628


@@ -657,7 +657,7 @@ namespace {
                     update_cm_stats(ss-1, pos.piece_on(prevSq), prevSq, -stat_bonus(depth + ONE_PLY));
             }
             // Penalty for a quiet ttMove that fails low
                     update_cm_stats(ss-1, pos.piece_on(prevSq), prevSq, -stat_bonus(depth + ONE_PLY));
             }
             // Penalty for a quiet ttMove that fails low

-            else if (ttValue < alpha && !pos.capture_or_promotion(ttMove))
+            else if (!pos.capture_or_promotion(ttMove))

             {
                 Value penalty = -stat_bonus(depth + ONE_PLY);
                 thisThread->history.update(pos.side_to_move(), ttMove, penalty);
             {
                 Value penalty = -stat_bonus(depth + ONE_PLY);
                 thisThread->history.update(pos.side_to_move(), ttMove, penalty);