From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Fri, 3 Jul 2020 14:19:41 +0000 (+0200)
Subject: Skip NMP for reversi
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=87958314ccb360725bad5f81a9dcb9ed92fd00da;p=fairystockfish.git

Skip NMP for reversi

reversi
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 280 W: 174 L: 78 D: 28
---

diff --git a/src/search.cpp b/src/search.cpp
index c88632e..ea886d3 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -922,6 +922,7 @@ namespace {
         && !excludedMove
         &&  pos.non_pawn_material(us)
         &&  pos.count<ALL_PIECES>(~us) != pos.count<PAWN>(~us)
+        && !pos.flip_enclosed_pieces()
         && (ss->ply >= thisThread->nmpMinPly || us != thisThread->nmpColor))
     {
         assert(eval - beta >= 0);