From 53faad77071c5112ef12b2086fdea83b440cf55e Mon Sep 17 00:00:00 2001 From: Fabian Fichter Date: Sun, 28 Jun 2020 17:23:29 +0200 Subject: [PATCH] Tweak futility pruning at parent node 3check STC LLR: 2.97 (-2.94,2.94) [0.00,10.00] Total: 3951 W: 1916 L: 1763 D: 272 http://www.variantfishtest.org:6543/tests/view/5eed14286e23db104fb88bee 3check LTC LLR: 2.95 (-2.94,2.94) [0.00,10.00] Total: 10074 W: 4762 L: 4523 D: 789 http://www.variantfishtest.org:6543/tests/view/5eefa6e56e23db104fb88c44 --- src/search.cpp | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/search.cpp b/src/search.cpp index 09d01a9..c88632e 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -1100,7 +1100,7 @@ moves_loop: // When in check, search starts from here && !inCheck && !( pos.extinction_value() == -VALUE_MATE && pos.extinction_piece_types().find(ALL_PIECES) == pos.extinction_piece_types().end()) - && ss->staticEval + 235 + 172 * lmrDepth <= alpha + && ss->staticEval + (235 + 172 * lmrDepth) * (1 + pos.check_counting()) <= alpha && thisThread->mainHistory[us][from_to(move)] + (*contHist[0])[history_slot(movedPiece)][to_sq(move)] + (*contHist[1])[history_slot(movedPiece)][to_sq(move)] -- 1.7.0.4