Improvement of Time Management Parameters

[stockfish] / src / timeman.cpp

diff --git a/src/timeman.cpp b/src/timeman.cpp
index 9ff422fe9663f3f6b601a129e4f4a8e4ae0f1e7c..f404ee0c353eb96215db47c14c500e3bc1c58246 100644 (file)
--- a/src/timeman.cpp
+++ b/src/timeman.cpp
@@ -71,21 +71,21 @@ void TimeManagement::init(Search::LimitsType& limits, Color us, int ply) {
                                                   - moveOverhead * (2 + mtg));
 
     // Use extra time with larger increments
-    double optExtra = std::clamp(1.0 + 12.5 * limits.inc[us] / limits.time[us], 1.0, 1.12);
+    double optExtra = std::clamp(1.0 + 12.5 * limits.inc[us] / limits.time[us], 1.0, 1.11);
 
     // Calculate time constants based on current time left.
-    double optConstant = std::min(0.00335 + 0.0003 * std::log10(limits.time[us] / 1000.0), 0.0048);
-    double maxConstant = std::max(3.6 + 3.0 * std::log10(limits.time[us] / 1000.0), 2.7);
+    double optConstant = std::min(0.00334 + 0.0003 * std::log10(limits.time[us] / 1000.0), 0.0049);
+    double maxConstant = std::max(3.4 + 3.0 * std::log10(limits.time[us] / 1000.0), 2.76);
 
     // x basetime (+ z increment)
     // If there is a healthy increment, timeLeft can exceed actual available
     // game time for the current move, so also cap to 20% of available game time.
     if (limits.movestogo == 0)
     {
-        optScale = std::min(0.0120 + std::pow(ply + 3.3, 0.44) * optConstant,
-                            0.2 * limits.time[us] / double(timeLeft))
+        optScale = std::min(0.0120 + std::pow(ply + 3.1, 0.44) * optConstant,
+                            0.21 * limits.time[us] / double(timeLeft))
                  * optExtra;
-        maxScale = std::min(6.8, maxConstant + ply / 12.2);
+        maxScale = std::min(6.9, maxConstant + ply / 12.2);
     }
 
     // x moves in y seconds (+ z increment)