From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Sun, 16 Jun 2019 08:17:18 +0000 (+0200)
Subject: Reduce connected bonus for horde
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=80a10a5ae79b248caa3e75c29997ba7d2e1b11a8;p=fairystockfish.git

Reduce connected bonus for horde

Revert parameter change caused by mis-merge.

horde STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 500 W: 302 L: 193 D: 5
http://35.161.250.236:6543/tests/view/5d05fb8b6e23db34f4206bd6

horde LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 343 W: 222 L: 116 D: 5
http://35.161.250.236:6543/tests/view/5d0603346e23db34f4206bd9
---

diff --git a/src/pawns.cpp b/src/pawns.cpp
index a3a7c9f..f0e86e9 100644
--- a/src/pawns.cpp
+++ b/src/pawns.cpp
@@ -132,7 +132,7 @@ namespace {
             int v =  Connected[r] * (phalanx ? 3 : 2)  * (r == RANK_2 && pos.captures_to_hand() ? 3 : 1) / (opposed ? 2 : 1)
                    + 17 * popcount(support);
             if (r >= RANK_4 && pos.count<PAWN>(Us) > popcount(pos.board_bb()) / 4)
-                v = std::max(v, popcount(support | phalanx) * 100) / (opposed ? 2 : 1);
+                v = std::max(v, popcount(support | phalanx) * 50) / (opposed ? 2 : 1);
             score += make_score(v, v * (r - 2) / 4);
         }
         else if (!neighbours)