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Don't use 5th continuation history in move ordering

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Passed simplification STC
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 136960 W: 35374 L: 35262 D: 66324
Ptnml(0-2): 420, 16214, 35049, 16428, 369
https://tests.stockfishchess.org/tests/view/67e6d0ae6682f97da2178ee5

Passed simplification LTC
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 233016 W: 59063 L: 59059 D: 114894
Ptnml(0-2): 113, 25430, 65421, 25428, 116
https://tests.stockfishchess.org/tests/view/67e9f7fb31d7cf8afdc44ad4

closes https://github.com/official-stockfish/Stockfish/pull/5978

Bench: 1842721
This commit is contained in:
Daniel Monroe
2025-03-28 12:38:59 -04:00
committed by Disservin
parent 5f8e67a544
commit 904a016396
1 changed files with 0 additions and 1 deletions
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src/movepick.cpp
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@@ -162,7 +162,6 @@ void MovePicker::score() {
m.value += (*continuationHistory[1])[pc][to];
m.value += (*continuationHistory[2])[pc][to];
m.value += (*continuationHistory[3])[pc][to];
m.value += (*continuationHistory[4])[pc][to] / 3;
m.value += (*continuationHistory[5])[pc][to];
// bonus for checks