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Increase the depth margin

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Tested at VVLTC against the passed patches.

Test 1 against PR5764
LLR: 2.94 (-2.94,2.94) <0.50,2.50>
Total: 167260 W: 43053 L: 42521 D: 81686
Ptnml(0-2): 7, 15272, 52542, 15800, 9
https://tests.stockfishchess.org/tests/view/6782ef196ddf09c0b4b6e780

Test 2 against PR5765
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 300012 W: 77364 L: 76771 D: 145877
Ptnml(0-2): 22, 27555, 94256, 28154, 19
https://tests.stockfishchess.org/tests/view/678366446ddf09c0b4b7028c

closes https://github.com/official-stockfish/Stockfish/pull/5768

Bench: 1379150
This commit is contained in:
FauziAkram
2025-01-12 20:20:56 +03:00
committed by Disservin
parent e2612f9a29
commit c085670b84
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@@ -1056,7 +1056,7 @@ moves_loop: // When in check, search starts here
// and lower extension margins scale well.
if (!rootNode && move == ttData.move && !excludedMove
&& depth >= 4 - (thisThread->completedDepth > 33) + ss->ttPv
&& depth >= 5 - (thisThread->completedDepth > 33) + ss->ttPv
&& is_valid(ttData.value) && !is_decisive(ttData.value)
&& (ttData.bound & BOUND_LOWER) && ttData.depth >= depth - 3)
{