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Tweak time management

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Use for adjustment of the falling eval time factor now also the difference
between previous best average score and current best score.

STC:
LLR: 2.95 (-2.94,2.94) <0.00,2.50>
Total: 109216 W: 28296 L: 27900 D: 53020
Ptnml(0-2): 312, 11759, 30148, 11999, 390
https://tests.stockfishchess.org/tests/view/61aafa8d1b31b85bcfa29d9c

LTC:
LLR: 2.93 (-2.94,2.94) <0.50,3.00>
Total: 54096 W: 14091 L: 13787 D: 26218
Ptnml(0-2): 29, 5124, 16447, 5410, 38
https://tests.stockfishchess.org/tests/view/61abbbbd56fcf33bce7d1d64

closes https://github.com/official-stockfish/Stockfish/pull/3833

Bench: 4829419
This commit is contained in:
Stefan Geschwentner
2021-12-05 16:18:33 +01:00
committed by Stéphane Nicolet
parent a6a9d828ab
commit 18f2b12cd0
3 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/search.cpp
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@@ -260,6 +260,7 @@ void MainThread::search() {
bestThread = Threads.get_best_thread();
bestPreviousScore = bestThread->rootMoves[0].score;
bestPreviousAverageScore = bestThread->rootMoves[0].averageScore;
// Send again PV info if we have a new best thread
if (bestThread != this)
@@ -489,7 +490,8 @@ void Thread::search() {
&& !Threads.stop
&& !mainThread->stopOnPonderhit)
{
double fallingEval = (318 + 6 * (mainThread->bestPreviousScore - bestValue)
double fallingEval = (142 + 6 * (mainThread->bestPreviousScore - bestValue)
+ 6 * (mainThread->bestPreviousAverageScore - bestValue)
+ 6 * (mainThread->iterValue[iterIdx] - bestValue)) / 825.0;
fallingEval = std::clamp(fallingEval, 0.5, 1.5);