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Remove one test in the move loop

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Simplification passed STC test:
https://tests.stockfishchess.org/tests/view/6519fc91cff46e538ee014f6
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 191264 W: 48550 L: 48501 D: 94213
Ptnml(0-2): 576, 21529, 51392, 21540, 595

closes #4815

Non functional change
This commit is contained in:
Stéphane Nicolet 2023-10-01 20:19:49 +02:00 • committed by Joost VandeVondele
parent f1ce1cd475
commit 040dfedb34
1 changed files with 7 additions and 8 deletions
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15
src/search.cpp
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@ -945,16 +945,15 @@ moves_loop: // When in check, search starts here
if (move == excludedMove)
continue;
// At root obey the "searchmoves" option and skip moves not listed in Root
// Move List. As a consequence, any illegal move is also skipped. In MultiPV
// mode we also skip PV moves that have been already searched and those
// of lower "TB rank" if we are in a TB root position.
if (rootNode && !std::count(thisThread->rootMoves.begin() + thisThread->pvIdx,
thisThread->rootMoves.begin() + thisThread->pvLast, move))
// Check for legality
if (!pos.legal(move))
continue;
// Check for legality
if (!rootNode && !pos.legal(move))
// At root obey the "searchmoves" option and skip moves not listed in Root
// Move List. In MultiPV mode we also skip PV moves that have been already
// searched and those of lower "TB rank" if we are in a TB root position.
if (rootNode && !std::count(thisThread->rootMoves.begin() + thisThread->pvIdx,
thisThread->rootMoves.begin() + thisThread->pvLast, move))
continue;
ss->moveCount = ++moveCount;