From 101d2bb8eae2c93c94013f56eae3af4faf8886f9 Mon Sep 17 00:00:00 2001 From: FauziAkram Date: Wed, 1 Nov 2023 13:42:06 +0300 Subject: [PATCH] Simplifying two formulas by eliminating two multiplication operations. Passed STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 60000 W: 15193 L: 14996 D: 29811 Ptnml(0-2): 199, 7100, 15215, 7277, 209 https://tests.stockfishchess.org/tests/view/653beb69cc309ae83956129d Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 122910 W: 30471 L: 30353 D: 62086 Ptnml(0-2): 68, 13961, 33271, 14095, 60 https://tests.stockfishchess.org/tests/view/653c5848cc309ae839561ae7 closes https://github.com/official-stockfish/Stockfish/pull/4857 bench: 1216779 --- src/search.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/search.cpp b/src/search.cpp index 6e719be8..3cd3b555 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -772,7 +772,7 @@ Value search(Position& pos, Stack* ss, Value alpha, Value beta, Depth depth, boo update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq, stat_bonus(depth) * bonus); thisThread->mainHistory[~us][from_to((ss - 1)->currentMove)] - << stat_bonus(depth) * bonus * 57 / 100; + << stat_bonus(depth) * bonus / 2; } return value; } @@ -1339,7 +1339,7 @@ moves_loop: // When in check, search starts here update_continuation_histories(ss - 1, pos.piece_on(prevSq), prevSq, stat_bonus(depth) * bonus); thisThread->mainHistory[~us][from_to((ss - 1)->currentMove)] - << stat_bonus(depth) * bonus * 61 / 100; + << stat_bonus(depth) * bonus / 2; } if (PvNode) -- 2.39.2