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Use same pawn value in both nets when doing material scaling of eval

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Passed Non-regression STC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 221312 W: 57291 L: 57274 D: 106747
Ptnml(0-2): 760, 26152, 56841, 26117, 786
https://tests.stockfishchess.org/tests/view/676e2a101a2f267f20548453

Passed Non-regression LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 176808 W: 45084 L: 45023 D: 86701
Ptnml(0-2): 112, 19418, 49286, 19473, 115
https://tests.stockfishchess.org/tests/view/676f424d1a2f267f2054857f

closes https://github.com/official-stockfish/Stockfish/pull/5741

Bench: 1121800
This commit is contained in:
sscg13
2024-12-27 12:15:10 +08:00
committed by Disservin
parent c76c179361
commit 7858f9dfdc
2 changed files with 2 additions and 1 deletions
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AUTHORS
+1
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@@ -47,6 +47,7 @@ Bryan Cross (crossbr)
candirufish candirufish
Carlos Esparza Sánchez (ces42) Carlos Esparza Sánchez (ces42)
Chess13234 Chess13234
Chris Bao (sscg13)
Chris Cain (ceebo) Chris Cain (ceebo)
Ciekce Ciekce
clefrks clefrks
src/evaluate.cpp
+1 -1
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@@ -78,7 +78,7 @@ Value Eval::evaluate(const Eval::NNUE::Networks& networks,
optimism += optimism * nnueComplexity / 468; optimism += optimism * nnueComplexity / 468;
nnue -= nnue * nnueComplexity / (smallNet ? 20233 : 17879); nnue -= nnue * nnueComplexity / (smallNet ? 20233 : 17879);
int material = (smallNet ? 553 : 532) * pos.count<PAWN>() + pos.non_pawn_material(); int material = 535 * pos.count<PAWN>() + pos.non_pawn_material();
int v = (nnue * (77777 + material) + optimism * (7777 + material)) / 77777; int v = (nnue * (77777 + material) + optimism * (7777 + material)) / 77777;
// Damp down the evaluation linearly when shuffling // Damp down the evaluation linearly when shuffling