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Use same shuffling Constant for both nets

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Passed STC:
https://tests.stockfishchess.org/tests/view/664a42b15fc7b70b8817aeef
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 87840 W: 22759 L: 22594 D: 42487
Ptnml(0-2): 335, 10351, 22324, 10634, 276

Passed LTC:
https://tests.stockfishchess.org/tests/view/664a46995fc7b70b8817af02
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 163122 W: 41443 L: 41367 D: 80312
Ptnml(0-2): 105, 18154, 44927, 18310, 65

closes https://github.com/official-stockfish/Stockfish/pull/5273

bench: 1190174
This commit is contained in:
FauziAkram
2024-05-20 03:14:00 +03:00
committed by Joost VandeVondele
parent 0c797367a3
commit b8ccaf038a
3 changed files with 8 additions and 6 deletions
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2
src/evaluate.cpp
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@@ -80,7 +80,7 @@ Value Eval::evaluate(const Eval::NNUE::Networks& networks,
v = (nnue * (npm + 943 + 11 * pos.count<PAWN>()) + optimism * (npm + 140)) / 1058;
// Damp down the evaluation linearly when shuffling
v = v * ((smallNet ? 206 : 178) - pos.rule50_count()) / 207;
v = v * (204 - pos.rule50_count()) / 208;
// Guarantee evaluation does not hit the tablebase range
v = std::clamp(v, VALUE_TB_LOSS_IN_MAX_PLY + 1, VALUE_TB_WIN_IN_MAX_PLY - 1);