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442e1e0)
only continuation histories seem needed for this purpose.
STC:
http://tests.stockfishchess.org/tests/view/
5e6b88dfe42a5c3b3ca2e4ab
LLR: 2.94 (-2.94,2.94) {-1.50,0.50}
Total: 113356 W: 21725 L: 21696 D: 69935
Ptnml(0-2): 1999, 13255, 26163, 13240, 2021
LTC:
http://tests.stockfishchess.org/tests/view/
5e6babbfe42a5c3b3ca2e4c2
LLR: 2.94 (-2.94,2.94) {-1.50,0.50}
Total: 22164 W: 2917 L: 2821 D: 16426
Ptnml(0-2): 173, 2040, 6548, 2160, 161
closes https://github.com/official-stockfish/Stockfish/pull/2583
bench:
4839496
if ( lmrDepth < 6
&& !inCheck
&& ss->staticEval + 235 + 172 * lmrDepth <= alpha
if ( lmrDepth < 6
&& !inCheck
&& ss->staticEval + 235 + 172 * lmrDepth <= alpha
- && thisThread->mainHistory[us][from_to(move)]
- + (*contHist[0])[movedPiece][to_sq(move)]
+ && (*contHist[0])[movedPiece][to_sq(move)]
+ (*contHist[1])[movedPiece][to_sq(move)]
+ (*contHist[1])[movedPiece][to_sq(move)]
- + (*contHist[3])[movedPiece][to_sq(move)] < 25000)
+ + (*contHist[3])[movedPiece][to_sq(move)] < 27400)
continue;
// Prune moves with negative SEE (~20 Elo)
continue;
// Prune moves with negative SEE (~20 Elo)