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VLTC time management tune

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Result of 35k games of SPSA tuning at 180+1.8. Tuning attempt can be
found here:
https://tests.stockfishchess.org/tests/view/65e40599f2ef6c733362b03b

Passed VLTC 180+1.8:
https://tests.stockfishchess.org/tests/view/65e5a6f5416ecd92c162b5d4
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 31950 W: 8225 L: 7949 D: 15776
Ptnml(0-2): 3, 3195, 9309, 3459, 9

Passed VLTC 240+2.4:
https://tests.stockfishchess.org/tests/view/65e714de0ec64f0526c3d1f1
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 65108 W: 16558 L: 16202 D: 32348
Ptnml(0-2): 7, 6366, 19449, 6728, 4

closes https://github.com/official-stockfish/Stockfish/pull/5095

Bench: 1714391
This commit is contained in:
Muzhen Gaming
2024-03-04 18:48:02 +08:00
committed by Disservin
parent 748791f80d
commit 0f01a516d2
2 changed files with 17 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/timeman.cpp
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@@ -94,17 +94,17 @@ void TimeManagement::init(Search::LimitsType& limits,
if (limits.movestogo == 0)
{
// Use extra time with larger increments
double optExtra = limits.inc[us] < 500 ? 1.0 : 1.1;
double optExtra = limits.inc[us] < 500 ? 1.0 : 1.13;
// Calculate time constants based on current time left.
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);
std::min(0.00308 + 0.000319 * std::log10(limits.time[us] / 1000.0), 0.00506);
double maxConstant = std::max(3.39 + 3.01 * std::log10(limits.time[us] / 1000.0), 2.93);
optScale = std::min(0.0120 + std::pow(ply + 3.1, 0.44) * optConstant,
0.21 * limits.time[us] / double(timeLeft))
optScale = std::min(0.0122 + std::pow(ply + 2.95, 0.462) * optConstant,
0.213 * limits.time[us] / double(timeLeft))
* optExtra;
maxScale = std::min(6.9, maxConstant + ply / 12.2);
maxScale = std::min(6.64, maxConstant + ply / 12.0);
}
// x moves in y seconds (+ z increment)
@@ -117,7 +117,7 @@ void TimeManagement::init(Search::LimitsType& limits,
// Limit the maximum possible time for this move
optimumTime = TimePoint(optScale * timeLeft);
maximumTime =
TimePoint(std::min(0.84 * limits.time[us] - moveOverhead, maxScale * optimumTime)) - 10;
TimePoint(std::min(0.825 * limits.time[us] - moveOverhead, maxScale * optimumTime)) - 10;
if (options["Ponder"])
optimumTime += optimumTime / 4;