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Remove completedDepth condition for SE

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Just removing the term

Passed STC:
LLR: 3.27 (-2.94,2.94) <-1.75,0.25>
Total: 179840 W: 47211 L: 47126 D: 85503
Ptnml(0-2): 567, 17929, 52879, 17942, 603
https://tests.stockfishchess.org/tests/view/688bdd88502b34dd5e7111ea

Passed LTC:
LLR: 3.26 (-2.94,2.94) <-1.75,0.25>
Total: 150708 W: 38738 L: 38637 D: 73333
Ptnml(0-2): 79, 12922, 49262, 13001, 90
https://tests.stockfishchess.org/tests/view/688ce857f17748b4d23c8026

Passed VLTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 288312 W: 74104 L: 74152 D: 140056
Ptnml(0-2): 44, 26732, 90657, 26674, 49
https://tests.stockfishchess.org/tests/view/688ec4f57d68fe4f7f130ee3

closes https://github.com/official-stockfish/Stockfish/pull/6221

functional at higher depths

Bench: 3002300
This commit is contained in:
Kevin Lu
2025-08-16 12:01:19 +02:00
committed by Joost VandeVondele
parent d864148595
commit 0db4a1bee9
2 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/search.cpp
+2 -3
View File
@@ -1112,9 +1112,8 @@ moves_loop: // When in check, search starts here
// (*Scaler) Generally, higher singularBeta (i.e closer to ttValue)
// and lower extension margins scale well.
if (!rootNode && move == ttData.move && !excludedMove
&& depth >= 6 - (completedDepth > 26) + ss->ttPv && is_valid(ttData.value)
&& !is_decisive(ttData.value) && (ttData.bound & BOUND_LOWER)
if (!rootNode && move == ttData.move && !excludedMove && depth >= 6 + ss->ttPv
&& is_valid(ttData.value) && !is_decisive(ttData.value) && (ttData.bound & BOUND_LOWER)
&& ttData.depth >= depth - 3)
{
Value singularBeta = ttData.value - (56 + 79 * (ss->ttPv && !PvNode)) * depth / 58;