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Update WDL model for current SF

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This updates the WDL model based on the LTC statistics for the two weeks (3M games).

for old results see:

https://github.com/official-stockfish/Stockfish/pull/3981
https://github.com/official-stockfish/Stockfish/pull/3582
https://github.com/official-stockfish/Stockfish/pull/2778

closes https://github.com/official-stockfish/Stockfish/pull/4115

No functional change.
This commit is contained in:
Joost VandeVondele
2022-07-31 14:58:13 +02:00
parent 7cc929f437
commit e639c45577
1 changed files with 2 additions and 2 deletions
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4
src/uci.cpp
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@@ -207,8 +207,8 @@ namespace {
// The coefficients of a third-order polynomial fit is based on the fishtest data // The coefficients of a third-order polynomial fit is based on the fishtest data
// for two parameters that need to transform eval to the argument of a logistic // for two parameters that need to transform eval to the argument of a logistic
// function. // function.
double as[] = {-1.17202460e-01, 5.94729104e-01, 1.12065546e+01, 1.22606222e+02}; double as[] = { 0.50379905, -4.12755858, 18.95487051, 152.00733652};
double bs[] = {-1.79066759, 11.30759193, -17.43677612, 36.47147479}; double bs[] = {-1.71790378, 10.71543602, -17.05515898, 41.15680404};
double a = (((as[0] * m + as[1]) * m + as[2]) * m) + as[3]; double a = (((as[0] * m + as[1]) * m + as[2]) * m) + as[3];
double b = (((bs[0] * m + bs[1]) * m + bs[2]) * m) + bs[3]; double b = (((bs[0] * m + bs[1]) * m + bs[2]) * m) + bs[3];