From 02420d4670e54f41bce5bc6d53fb437b80f9d534 Mon Sep 17 00:00:00 2001 From: Marco Costalba Date: Fri, 14 Jun 2013 08:24:37 +0200 Subject: [PATCH 1/1] Revert "Reduce more CUT nodes only if parent node is reduced" This reverts commit d54e8a59551a7ebcbf2c2155dce46c7386b1742a. It was not proved with SPRT this tweak is stronger. So revert it for now to follow fishtest guidelines. bench: 5108393 --- src/search.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/search.cpp b/src/search.cpp index bfab6a4e..a10e1180 100644 --- a/src/search.cpp +++ b/src/search.cpp @@ -949,7 +949,7 @@ split_point_start: // At split points actual search starts from here { ss->reduction = reduction(depth, moveCount); - if (!PvNode && cutNode && (ss-1)->reduction) + if (!PvNode && cutNode) ss->reduction += ONE_PLY; if (move == countermoves[0] || move == countermoves[1]) -- 2.39.2