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Simplify doDeeperSearch formula

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Passed STC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 211776 W: 54939 L: 54911 D: 101926
Ptnml(0-2): 714, 24971, 54484, 25011, 708
https://tests.stockfishchess.org/tests/view/6938971875b70713ef796b70

Passed LTC:
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 216774 W: 55346 L: 55326 D: 106102
Ptnml(0-2): 105, 23599, 60980, 23577, 126
https://tests.stockfishchess.org/tests/view/693fc91f46f342e1ec20f9f6

closes https://github.com/official-stockfish/Stockfish/pull/6486

Bench: 3267755
This commit is contained in:
FauziAkram
2025-12-23 21:42:45 +01:00
committed by Disservin
parent 447f66acac
commit 4d4c6ebd02
1 changed files with 1 additions and 1 deletions
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src/search.cpp
+1 -1
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@@ -1241,7 +1241,7 @@ moves_loop: // When in check, search starts here
{ {
// Adjust full-depth search based on LMR results - if the result was // Adjust full-depth search based on LMR results - if the result was
// good enough search deeper, if it was bad enough search shallower. // good enough search deeper, if it was bad enough search shallower.
const bool doDeeperSearch = d < newDepth && value > (bestValue + 43 + 2 * newDepth); const bool doDeeperSearch = d < newDepth && value > (bestValue + newDepth + 44);
const bool doShallowerSearch = value < bestValue + 9; const bool doShallowerSearch = value < bestValue + 9;
newDepth += doDeeperSearch - doShallowerSearch; newDepth += doDeeperSearch - doShallowerSearch;