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» SugaR XPrO 110818 32-64
Mon Aug 13, 2018 1:30 pm by Doppelganger

» Latest aboke build August 12th *** Large ELO increases ****
Sun Aug 12, 2018 3:34 pm by Clair Ph.U.K

» BrainFish: Updated August, 12th 2018
Sun Aug 12, 2018 3:29 pm by Clair Ph.U.K

» Latest aboke build August 10th
Sat Aug 11, 2018 8:42 pm by LondonFrau

» BrainFish: Updated August, 10 2018
Fri Aug 10, 2018 11:12 pm by Clair Ph.U.K

» Latest aboke builds August 8th
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» Blue 7-7 ctg y Boban ( Bobo ) Duricic
Thu Aug 02, 2018 9:12 pm by Doppelganger

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 Latest aboke builds Marh 26th

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Doppelganger
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Posts : 444
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Join date : 2010-02-03
Location : We often take for granted the very things that most deserve our gratitude. Cynthia Ozick

PostSubject: Latest aboke builds Marh 26th   Mon Mar 26, 2018 11:42 pm

!! latest version !!


Windows x64 for Haswell CPUs
Windows x64 for modern computers
Windows x64
Windows 32
Linux x64 for Haswell CPUs
Linux x64 for modern computers
Linux x64
Author: Jerry Donald Watson
Date: Mon Mar 26 09:28:37 2018 +0200
Timestamp: 1522049317

Make kingRing always 8 squares

Make kingRing always eight squares, extending the bitboard to the
F file if the king is on the H file, and to the C file if the king
is on the A file. This may deal with cases where Stockfish (like
many other engines) would shift the king around on the back rank
like g1h1, not because there is some imminent threat, but because
it makes king safety look a little better just because the king ring
had a smaller area.

STC:
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 34000 W: 7167 L: 6877 D: 19956
http://tests.stockfishchess.org/tests/view/5ab8216d0ebc5902932cbe64

LTC:
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 22574 W: 3576 L: 3370 D: 15628
http://tests.stockfishchess.org/tests/view/5ab84e6a0ebc5902932cbe72

How to continue from there?

This patch probably makes it easier to tune the king safety evaluation,
because the new regularity of the king ring size will make the king
safety function more continuous.

Closes https://github.com/official-stockfish/Stockfish/pull/1512

Bench: 5934103


guitar
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