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Simplify lowply-history scoring logic

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STC:
https://tests.stockfishchess.org/tests/view/60eee559d1189bed71812b16
LLR: 2.97 (-2.94,2.94) <-2.50,0.50>
Total: 33976 W: 2523 L: 2431 D: 29022
Ptnml(0-2): 66, 2030, 12730, 2070, 92

LTC:
https://tests.stockfishchess.org/tests/view/60eefa12d1189bed71812b24
LLR: 2.93 (-2.94,2.94) <-2.50,0.50>
Total: 107240 W: 3053 L: 3046 D: 101141
Ptnml(0-2): 56, 2668, 48154, 2697, 45

closes https://github.com/official-stockfish/Stockfish/pull/3616

bench: 5199177
This commit is contained in:
pb00067 2021-07-15 20:56:21 +02:00 • committed by Joost VandeVondele
parent d957179df7
commit 760b7462bc
1 changed files with 1 additions and 1 deletions
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2
src/movepick.cpp
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@ -111,7 +111,7 @@ void MovePicker::score() {
+ (*continuationHistory[1])[pos.moved_piece(m)][to_sq(m)]
+ (*continuationHistory[3])[pos.moved_piece(m)][to_sq(m)]
+ (*continuationHistory[5])[pos.moved_piece(m)][to_sq(m)]
+ (ply < MAX_LPH ? std::min(4, depth / 3) * (*lowPlyHistory)[ply][from_to(m)] : 0);
+ (ply < MAX_LPH ? 6 * (*lowPlyHistory)[ply][from_to(m)] : 0);
else // Type == EVASIONS
{