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Trivial cleanup

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Make naming and declaration of futilityValue in search consistent between different places.

closes https://github.com/official-stockfish/Stockfish/pull/5165

No functional change.
This commit is contained in:
Michael Chaly 2024-04-12 00:00:59 +03:00 • committed by Joost VandeVondele
parent d3fc1d835e
commit 9021a61807
1 changed files with 5 additions and 5 deletions
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10
src/search.cpp
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@ -963,11 +963,11 @@ moves_loop: // When in check, search starts here
if (!givesCheck && lmrDepth < 7 && !ss->inCheck) if (!givesCheck && lmrDepth < 7 && !ss->inCheck)
{ {
Piece capturedPiece = pos.piece_on(move.to_sq()); Piece capturedPiece = pos.piece_on(move.to_sq());
int futilityEval = Value futilityValue =
ss->staticEval + 287 + 277 * lmrDepth + PieceValue[capturedPiece] ss->staticEval + 288 + 277 * lmrDepth + PieceValue[capturedPiece]
+ thisThread->captureHistory[movedPiece][move.to_sq()][type_of(capturedPiece)] + thisThread->captureHistory[movedPiece][move.to_sq()][type_of(capturedPiece)]
/ 7; / 7;
if (futilityEval < alpha) if (futilityValue <= alpha)
continue; continue;
} }
@ -1389,7 +1389,7 @@ Value Search::Worker::qsearch(Position& pos, Stack* ss, Value alpha, Value beta,
Key posKey; Key posKey;
Move ttMove, move, bestMove; Move ttMove, move, bestMove;
Depth ttDepth; Depth ttDepth;
Value bestValue, value, ttValue, futilityValue, futilityBase; Value bestValue, value, ttValue, futilityBase;
bool pvHit, givesCheck, capture; bool pvHit, givesCheck, capture;
int moveCount; int moveCount;
Color us = pos.side_to_move(); Color us = pos.side_to_move();
@ -1518,7 +1518,7 @@ Value Search::Worker::qsearch(Position& pos, Stack* ss, Value alpha, Value beta,
if (moveCount > 2) if (moveCount > 2)
continue; continue;
futilityValue = futilityBase + PieceValue[pos.piece_on(move.to_sq())]; Value futilityValue = futilityBase + PieceValue[pos.piece_on(move.to_sq())];
// If static eval + value of piece we are going to capture is much lower // If static eval + value of piece we are going to capture is much lower
// than alpha we can prune this move. (~2 Elo) // than alpha we can prune this move. (~2 Elo)