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Simplify quiet history update expression

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This patch simplifies the quiet history update expression in search.cpp.

The change is behaviour‑identical and removes unnecessary complexity from
the update_quiet_histories call.

Passed STC (non‑regression):
https://tests.stockfishchess.org/tests/view/6a14367b818cacc1db0ac7c3
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 52224 W: 13338 L: 13135 D: 25751
Ptnml(0-2): 118, 6065, 13557, 6240, 132

Passed LTC (non‑regression):
https://tests.stockfishchess.org/tests/view/6a155046818cacc1db0ac94d
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 136812 W: 34689 L: 34586 D: 67537
Ptnml(0-2): 51, 14770, 38668, 14859, 58

Both STC and LTC passed. Patch rebased to latest master.

closes https://github.com/official-stockfish/Stockfish/pull/6863

Bench: 2549662
This commit is contained in:
Adrian
2026-06-06 10:12:36 +02:00
committed by Joost VandeVondele
parent db11ca42d5
commit 73826352d4
2 changed files with 2 additions and 2 deletions
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@@ -13,6 +13,7 @@ Hisayori Noda (nodchip)
87flowers
Aditya (absimaldata)
Adrian Petrescu (apetresc)
Adrian (AdrianGHUB15)
Ahmed Kerimov (wcdbmv)
Ajith Chandy Jose (ajithcj)
Alain Savard (Rocky640)