From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Tue, 28 Jul 2020 16:45:19 +0000 (+0200)
Subject: Double mobility bonus for nCheck
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=fce07304f52520215589d203c5e3e4f3425d784e;p=fairystockfish.git

Double mobility bonus for nCheck

3check STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 2999 W: 1487 L: 1347 D: 165
http://www.variantfishtest.org:6543/tests/view/5f1449956e23db104fb88e31

3check LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 3080 W: 1500 L: 1360 D: 220
http://www.variantfishtest.org:6543/tests/view/5f15f4096e23db104fb88e3f
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index e3b33b5..9be2f55 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -1168,7 +1168,7 @@ namespace {
         for (PieceType pt = PAWN; pt < KING; ++pt)
             score += hand<WHITE>(pt) - hand<BLACK>(pt);
 
-    score += (mobility[WHITE] - mobility[BLACK]) * (1 + pos.captures_to_hand() + pos.must_capture());
+    score += (mobility[WHITE] - mobility[BLACK]) * (1 + pos.captures_to_hand() + pos.must_capture() + pos.check_counting());
 
     score +=  king<   WHITE>() - king<   BLACK>()
             + threats<WHITE>() - threats<BLACK>()