Sort moves partially: linear depth dependence

[stockfish] / src / movepick.cpp

diff --git a/src/movepick.cpp b/src/movepick.cpp
index 796649ab02d9a821d99cb70ac61650f0152f5bd4..cc79528027b25334be0316e2499137cd29c3c3e6 100644 (file)
--- a/src/movepick.cpp
+++ b/src/movepick.cpp
@@ -242,8 +242,7 @@ Move MovePicker::next_move(bool skipQuiets) {
       endMoves = generate<QUIETS>(pos, cur);
       score<QUIETS>();
 
-      partial_insertion_sort(cur, endMoves,
-                             depth < 3 * ONE_PLY ? 0 : INT_MIN);
+      partial_insertion_sort(cur, endMoves, -4000 * depth / ONE_PLY);
       ++stage;
 
   case QUIET: