From 25b4d0c127af9fe564f7a797460bed4c2837bcc2 Mon Sep 17 00:00:00 2001 From: Marco Costalba Date: Sat, 1 Oct 2011 23:39:39 +0100 Subject: [PATCH 1/1] Revert "Retire Rml full PV search at depth == 1" Yet another random crash source ! Hopefully this is the last one. Signed-off-by: Marco Costalba --- src/search.cpp | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/src/search.cpp b/src/search.cpp index 1f848183..36f57b42 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -534,10 +534,8 @@ namespace { Rml.bestMoveChanges = 0; - // MultiPV iteration loop. At depth 1 perform at least 2 iterations to - // get a score of the second best move for easy move detection. - int e = Min(Max(MultiPV, 2 * int(depth == 1)), (int)Rml.size()); - for (MultiPVIteration = 0; MultiPVIteration < e; MultiPVIteration++) + // MultiPV iteration loop + for (MultiPVIteration = 0; MultiPVIteration < Min(MultiPV, (int)Rml.size()); MultiPVIteration++) { // Calculate dynamic aspiration window based on previous iterations if (depth >= 5 && abs(Rml[MultiPVIteration].prevScore) < VALUE_KNOWN_WIN) @@ -1012,7 +1010,8 @@ split_point_start: // At split points actual search starts from here << " currmovenumber " << moveCount + MultiPVIteration << endl; } - isPvMove = (PvNode && moveCount == 1); + // At Root and at first iteration do a PV search on all the moves to score root moves + isPvMove = (PvNode && moveCount <= (RootNode && depth <= ONE_PLY ? MAX_MOVES : 1)); givesCheck = pos.move_gives_check(move, ci); captureOrPromotion = pos.move_is_capture_or_promotion(move); -- 2.39.2