From: Marco Costalba <mcostalba@gmail.com>
Date: Fri, 29 Mar 2013 21:55:07 +0000 (+0100)
Subject: Set IID half way between d/2 and d-4
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=7d42d02ec77a03c4c1e1b399df30ef8b363c1237;hp=7d42d02ec77a03c4c1e1b399df30ef8b363c1237

Set IID half way between d/2 and d-4

Master IID formula is depth / 2
Previous patch is depth - 4 * ONE_PLY

This one is the middle way:

(dept/2 + depth-4*ONE_PLY)/2  -> depth-2*ONE_PLY-depth/4

After 16000 games at 60+0.05 th 1
ELO: 4.08 +-3.1 (95%) LOS: 99.5%
Total: 16000 W: 2742 L: 2554 D: 10704

bench: 4781239
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