Simplify doDeeperSearch

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 6580f520130f3d15b5be45edf3347289fcc568e7..0a12c85b721a484363c6a6ce7988ac834543bc9b 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1188,9 +1188,8 @@ moves_loop:  // When in check, search starts here
             {
                 // Adjust full-depth search based on LMR results - if the result
                 // was good enough search deeper, if it was bad enough search shallower.
-                const bool doDeeperSearch =
-                  value > (bestValue + 51 + 10 * (newDepth - d));             // (~1 Elo)
-                const bool doShallowerSearch = value < bestValue + newDepth;  // (~2 Elo)
+                const bool doDeeperSearch    = value > (bestValue + 50 + 2 * newDepth);  // (~1 Elo)
+                const bool doShallowerSearch = value < bestValue + newDepth;             // (~2 Elo)
 
                 newDepth += doDeeperSearch - doShallowerSearch;