From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Thu, 27 Feb 2020 22:48:01 +0000 (+0100)
Subject: Increase check danger for nCheck variants
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=8f1b4a5295a07cae79e15f6b9b4e5355351a8b0c;p=fairystockfish.git

Increase check danger for nCheck variants

3check STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 3733 W: 1808 L: 1659 D: 266
http://www.variantfishtest.org:6543/tests/view/5e5649d26e23db46beba4ed3

3check LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 5655 W: 2672 L: 2497 D: 486
http://www.variantfishtest.org:6543/tests/view/5e576a846e23db46beba4f04
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index b3382c5..591bb1e 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -535,7 +535,7 @@ namespace {
     }
 
     if (pos.check_counting())
-        kingDanger *= 2;
+        kingDanger = kingDanger * 12 / 5;
 
     Square s = file_of(ksq) == FILE_A ? ksq + EAST : file_of(ksq) == pos.max_file() ? ksq + WEST : ksq;
     Bitboard kingFlank = pos.max_file() == FILE_H ? KingFlank[file_of(ksq)] : file_bb(s) | adjacent_files_bb(s);