Changes

Gull '''3''', released April 17, 2014, with further [[Automated Tuning|optimization]] of evaluation weights and a rewritten [[Parallel Search|SMP search]], features nonlinear [[King Safety#PawnShield|king shelter evaluation]] and more [[Endgame|endgame knowledge]]. [[Basil Falcinelli]] implemented a [[Linux]] port <ref>[http://www.talkchess.com/forum/viewtopic.php?t=58071 Gull 3 (Linux port) released] by [[Basil Falcinelli]], [[CCC]], October 28, 2015</ref> and [[Syzygy Bases]] support, introducing [[Syzygy Bases#Fathom|Fathom]] <ref>[http://www.talkchess.com/forum/viewtopic.php?t=58299 Gull 3 Linux+Syzygy and Fathom released] by [[Basil Falcinelli]], [[CCC]], November 20, 2015</ref>, while [[Michael Byrne]] worked on a [[Mac OS]] port <ref>[http://www.talkchess.com/forum/viewtopic.php?t=58096 Gull 3 x64 Mac Results] by [[Michael Byrne|Michael B]], [[CCC]], October 30, 2015</ref> dubbed <span id="Hawkeye"></span>'''Hawkeye''' <ref>[http://www.talkchess.com/forum/viewtopic.php?t=60695 Hawkeye 1.01] by [[Michael Byrne|Michael B]], [[CCC]], July 05, 2016</ref>, [[Tom Hyer]] introduced his Gull 3 derivative <span id="Roc"></span>'''Roc''' <ref>[https://github.com/TomHyer/[Roc GitHub - TomHyer/Roc: C++ chess engine derived from Gull 3]</ref>], and [[Norman Schmidt]] <span id="SeaGull"></span>'''SeaGull''' also based on Gull 3 <ref>[https://github.com/FireFather/seagull GitHub - FireFather/seagull: chess engine based on Gull 3] by [[Norman Schmidt]]</ref>.

* [https://bitbucket.org/hyer/sonsofthebird/src/052b62b0c78d11889379d5909bbe617b70274076/Slizzard/?at=default hyer / SonsOfTheBird / source / Slizzard — Bitbucket] by [[Tom Hyer]] <ref> [http://www.talkchess.com/forum/viewtopic.php?t=61195 Future of Gull] by [[Tom Hyer]], [[CCC]], August 23, 2016</ref>* [https://github.com/TomHyer/Roc GitHub - TomHyer/Roc: C++ chess engine derived from Gull 3] by [[Tom Hyer]] » [[Roc]]

* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?print=Details&each_game=1&eng=Gull%201.2%2064-bit#Gull_1_2_64-bit Gull 1.2 64-bit] in [[CCRL|CCRL 40/4015]]* [http://www.computerchess.org.uk/ccrl/4040/cgi/engine_details.cgi?match_length=30&each_game=1&print=Details&each_game=1&eng=Gull%203%2064-bit%204CPU#Gull_3_64-bit_4CPU Gull 3 64-bit 4CPU] in [[CCRL|CCRL 40/4015]]