From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Sat, 20 Oct 2018 12:36:20 +0000 (+0200)
Subject: Tweak capture the flag bonus
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=ddbf2f6b10790e7246361c8132b0a821a2caa733;p=fairystockfish.git

Tweak capture the flag bonus

king of the hill STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 2713 W: 1223 L: 1095 D: 395
http://35.161.250.236:6543/tests/view/5bc9a43a6e23db7639060c0f

racing kings STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 1961 W: 955 L: 833 D: 173
http://35.161.250.236:6543/tests/view/5bc9a44b6e23db7639060c12
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index e6772fb..6995e38 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -824,7 +824,7 @@ namespace {
                 int dist =  distance(s1, s2)
                           + (can_block ? popcount(pos.attackers_to(s2) & pos.pieces(Them)) : 0)
                           + !!(pos.pieces(Us) & s2);
-                score += make_score(3000, 3000) / (1 + dist * (can_block && pos.checking_permitted() ? dist : 1));
+                score += make_score(2500, 2500) / (1 + dist * (can_block && pos.checking_permitted() ? dist : 1));
             }
         }
     }