From: Stefan Geschwentner <stgeschwentner@gmail.com>
Date: Sat, 20 Dec 2014 17:49:56 +0000 (+0800)
Subject: Big King Safety tuning
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=323103826274c6ea23d36fd05ef0744f8d38cd3f;hp=323103826274c6ea23d36fd05ef0744f8d38cd3f

Big King Safety tuning

ShelterWeakness and Stormdanger array are now indexed additionally by
file pair (a/h,b/g,c/f,d/e). The special case of king blocking a pawn
is incorporated in the StormDanger array.  Finally the 93 parameters
are tuned by SPSA on LTC.

STC
ELO: 3.46 +-2.2 (95%) LOS: 99.9%
Total: 40000 W: 8275 L: 7877 D: 23848

LTC
LLR: 2.96 (-2.94,2.94) [0.00,6.00]
Total: 10311 W: 1876 L: 1721 D: 6714

Bench: 9498821

Resolves #163
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