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Stéphane Nicolet bf01bd0755 Tweak kingAttackersCount and KingAttackWeights
Use the whole kingRing for pawn attackers instead of only the squares directly
around the king. This tends to give quite a lot more kingAttackersCount, so to
compensate and to avoid raising the  king danger too fast we lower the values
in the KingAttackWeights array a little bit.

STC:
LLR: 2.95 (-2.94,2.94) [0.00,4.00]
Total: 51892 W: 10723 L: 10369 D: 30800
http://tests.stockfishchess.org/tests/view/5af6d4dd0ebc5968e652428e

LTC:
LLR: 2.96 (-2.94,2.94) [0.00,4.00]
Total: 24536 W: 3737 L: 3515 D: 17284
http://tests.stockfishchess.org/tests/view/5af709890ebc5968e65242ac

Credits to user @xoroshiro for the idea of using the kingRing for pawn attackers.

How to continue? It seems that the KingAttackWeights[] array stores values
which are quite Elo-sensitive, yet they have not been tuned with SPSA recently.
There might be easy Elo points to get there.

Closes https://github.com/official-stockfish/Stockfish/pull/1597

Bench: 5282815
2018-05-13 07:20:39 +02:00

121 lines
2.4 KiB
Text

# List of authors for Stockfish, updated just after version 9
Tord Romstad (romstad)
Marco Costalba (mcostalba)
Joona Kiiski (zamar)
Gary Linscott (glinscott)
absimaldata
Ajith Chandy Jose (ajithcj)
Alain Savard (Rocky640)
Alexander Kure
Ali AlZhrani (Cooffe)
Andrew Grant (AndyGrant)
Andrey Neporada (nepal)
Andy Duplain
Aram Tumanian (atumanian)
Arjun Temurnikar
Auguste Pop
Balint Pfliegel
Ben Koshy (BKSpurgeon)
Bill Henry (VoyagerOne)
braich
Brian Sheppard (SapphireBrand)
Bryan Cross (crossbr)
Bujun Guo (noobpwnftw)
Chris Cain (ceebo)
Dan Schmidt
Daniel Dugovic (ddugovic)
Dariusz Orzechowski
David Zar
Daylen Yang (daylen)
DiscanX
Eelco de Groot
ElbertoOne
erbsenzaehler
Ernesto Gatti
Fabian Beuke (madnight)
Fabian Fichter (ianfab)
fanon
Fauzi Akram Dabat (FauziAkram)
Felix Wittmann
gamander
gguliash
Gian-Carlo Pascutto (gcp)
Gontran Lemaire (gonlem)
Goodkov Vasiliy Aleksandrovich (goodkov)
Gregor Cramer
Günther Demetz (pb00067, pb00068)
Guy Vreuls (gvreuls)
Henri Wiechers
Hiraoka Takuya (HiraokaTakuya)
homoSapiensSapiens
Hongzhi Cheng
Ivan Ivec (IIvec)
Jacques B. (Timshel)
Jan Ondruš (hxim)
Jarrod Torriero (DU-jdto)
Jean-Francois Romang
Jerry Donald Watson (jerrydonaldwatson)
Jonathan Calovski (Mysseno)
Joost VandeVondele (vondele)
Jörg Oster (joergoster)
Joseph Ellis (jhellis3)
Joseph R. Prostko
jundery
Justin Blanchard
Kelly Wilson
Ken Takusagawa
kinderchocolate
Kiran Panditrao (Krgp)
Kojirion
Leonardo Ljubičić (GM)
Leonid Pechenik (lp--)
Linus Arver
loco-loco
Luca Brivio (lucabrivio)
Lucas Braesch (lucasart)
Lyudmil Antonov (lantonov)
Matthew Lai (matthewlai)
Matthew Sullivan
Mark Tenzer (31m059)
Michael Byrne (MichaelB7)
Michael Stembera (mstembera)
Michel Van den Bergh (vdbergh)
Mikael Bäckman (mbootsector)
Mike Whiteley (protonspring)
Miroslav Fontán (Hexik)
Moez Jellouli (MJZ1977)
Mohammed Li (tthsqe12)
Nathan Rugg (nmrugg)
Nicklas Persson (NicklasPersson)
Niklas Fiekas (niklasf)
Oskar Werkelin Ahlin
Pablo Vazquez
Pascal Romaret
Pasquale Pigazzini (ppigazzini)
Patrick Jansen (mibere)
pellanda
Ralph Stößer (Ralph Stoesser)
Raminder Singh
renouve
Reuven Peleg
Richard Lloyd
Rodrigo Exterckötter Tjäder
Ron Britvich
Ronald de Man (syzygy1)
Ryan Schmitt
Ryan Takker
Sergei Antonov (saproj)
sf-x
shane31
Stefan Geschwentner (locutus2)
Stefano Cardanobile (Stefano80)
Stéphane Nicolet (snicolet)
Thanar2
thaspel
Tom Vijlbrief (tomtor)
Torsten Franz (torfranz)
Uri Blass (uriblass)
Vince Negri
xoroshiro