From: Rocky640 <Rocky640@users.noreply.github.com>
Date: Sun, 17 Dec 2017 07:50:45 +0000 (-0500)
Subject: Simplify other checks (#1337)
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=be6fafd0793d934c31925832b4bde569b5abd5b9;hp=be6fafd0793d934c31925832b4bde569b5abd5b9

Simplify other checks (#1337)

Replace an intricate definition with a more natural one.

Master was excluding squares occupied by a pawn which was blocked by a pawn.
This version excludes any squares occupied by a pawn which is blocked by "something"

Passed STC
http://tests.stockfishchess.org/tests/view/5a2f557b0ebc590ccbb8bc0d
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 44211 W: 8009 L: 7928 D: 28274

and LTC
http://tests.stockfishchess.org/tests/view/5a301d440ebc590ccbb8bc80
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 31958 W: 4108 L: 4002 D: 23848

Bench 5000136
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