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Make Correction History Size Uniform

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Passed Non-regression STC:
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 207232 W: 53834 L: 53802 D: 99596
Ptnml(0-2): 695, 24486, 53200, 24562, 673
https://tests.stockfishchess.org/tests/view/66e9f5a886d5ee47d953ada1

Passed Non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 99120 W: 25264 L: 25123 D: 48733
Ptnml(0-2): 66, 10803, 27675, 10956, 60
https://tests.stockfishchess.org/tests/view/66ed7ebc86d5ee47d953b056

Passed Non-regression LTC vs #5606:
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 208950 W: 53049 L: 53019 D: 102882
Ptnml(0-2): 111, 23232, 57760, 23260, 112
https://tests.stockfishchess.org/tests/view/66f1843886d5ee47d953b2f2

closes https://github.com/official-stockfish/Stockfish/pull/5609

bench 1575189
This commit is contained in:
Shawn Xu
2024-09-17 14:29:55 -07:00
committed by Joost VandeVondele
parent 56444ce1f7
commit d6043970bd
2 changed files with 15 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/search.cpp
+1 -2
View File
@@ -88,8 +88,7 @@ Value to_corrected_static_eval(Value v, const Worker& w, const Position& pos) {
const auto wnpcv = w.nonPawnCorrectionHistory[WHITE][us][non_pawn_index<WHITE>(pos)];
const auto bnpcv = w.nonPawnCorrectionHistory[BLACK][us][non_pawn_index<BLACK>(pos)];
const auto cv =
(99916 * pcv + 55067 * mcv + 55530 * macv + 95324 * micv + 105056 * (wnpcv + bnpcv))
/ 2097152;
(6245 * pcv + 3442 * mcv + 3471 * macv + 5958 * micv + 6566 * (wnpcv + bnpcv)) / 131072;
v += cv;
return std::clamp(v, VALUE_TB_LOSS_IN_MAX_PLY + 1, VALUE_TB_WIN_IN_MAX_PLY - 1);
}