From: Marco Costalba <mcostalba@gmail.com>
Date: Thu, 20 Oct 2011 06:06:05 +0000 (+0100)
Subject: Increase Mobility
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=36cc214703e4c8fe91917b603f7eb476b403f0e4;hp=8f7d36a85dda6e6611d1ee66ceb69949feb8513e

Increase Mobility

First tuning with CLOP against a pool of 3 engines. Result
verified with a direct match:

After 8736 games at 10"+0.1
Mod vs Orig 1470 - 1496 - 5770 ELO -1 (+-4.3)

So no change in self match but if CLOP is right it should
be a bit better against an engine pool.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index cb77fe3e..f39cd5b3 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -88,7 +88,7 @@ namespace {
   //
   // Values modified by Joona Kiiski
   const Score WeightsInternal[] = {
-      S(248, 271), S(252, 259), S(46, 0), S(247, 0), S(259, 0)
+      S(252, 344), S(252, 259), S(46, 0), S(247, 0), S(259, 0)
   };
 
   // MobilityBonus[PieceType][attacked] contains mobility bonuses for middle and