From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Fri, 22 Mar 2019 18:23:43 +0000 (+0100)
Subject: Tweak nCheck bonus
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=04279f421a31118e0a78c41a066ba963b7045ad8;p=fairystockfish.git

Tweak nCheck bonus

3check STC
LLR: -2.97 (-2.94,2.94) [0.00,10.00]
Total: 14209 W: 6657 L: 6550 D: 1002
http://35.161.250.236:6543/tests/view/5c8956106e23db76ed2525e2

3check LTC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 5693 W: 2683 L: 2507 D: 503
http://35.161.250.236:6543/tests/view/5c92acec6e23db76ed252639
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 2997df3..99c2ea5 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -913,7 +913,7 @@ namespace {
     {
         int remainingChecks = pos.max_check_count() - pos.checks_given(Us);
         assert(remainingChecks > 0);
-        score += make_score(3000, 1000) / (remainingChecks * remainingChecks);
+        score += make_score(3200, 1000) / (remainingChecks * remainingChecks);
     }
 
     // Extinction