/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+ Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "timeman.h"
#include "uci.h"
+namespace Stockfish {
+
TimeManagement Time; // Our global time management object
TimePoint timeLeft = std::max(TimePoint(1),
limits.time[us] + limits.inc[us] * (mtg - 1) - moveOverhead * (2 + mtg));
+ // Use extra time with larger increments
+ double optExtra = std::clamp(1.0 + 12.0 * limits.inc[us] / limits.time[us], 1.0, 1.12);
+
// A user may scale time usage by setting UCI option "Slow Mover"
// Default is 100 and changing this value will probably lose elo.
timeLeft = slowMover * timeLeft / 100;
// game time for the current move, so also cap to 20% of available game time.
if (limits.movestogo == 0)
{
- optScale = std::min(0.008 + std::pow(ply + 3.0, 0.5) / 250.0,
- 0.2 * limits.time[us] / double(timeLeft));
+ optScale = std::min(0.0120 + std::pow(ply + 3.0, 0.45) * 0.0039,
+ 0.2 * limits.time[us] / double(timeLeft))
+ * optExtra;
maxScale = std::min(7.0, 4.0 + ply / 12.0);
}
// x moves in y seconds (+ z increment)
else
{
- optScale = std::min((0.8 + ply / 128.0) / mtg,
- 0.8 * limits.time[us] / double(timeLeft));
+ optScale = std::min((0.88 + ply / 116.4) / mtg,
+ 0.88 * limits.time[us] / double(timeLeft));
maxScale = std::min(6.3, 1.5 + 0.11 * mtg);
}
if (Options["Ponder"])
optimumTime += optimumTime / 4;
}
+
+} // namespace Stockfish