Stockfish 9 - Free
![Picture](/uploads/4/3/4/7/4347754/7101043.jpg)
November 2, 2008 / first version released - Stockfish 1.0
January 31, 2018 / last version - Stockfish 9
Authors : Tord Romstad, Marco Costalba, Joona Kiiski, Gary Linscott
Official page : http://www.stockfishchess.com/download/
Development : http://abrok.eu/stockfish/ and http://chess.ultimaiq.net/stockfish.html
Komodo 12 - 59.97 dollars
![Picture](/uploads/4/3/4/7/4347754/1577950.jpg)
June 2013 / first version released - Komodo 5
May 14, 2018 / latest version : Komodo 12
Authors : Don Dailey , Larry Kaufman , Mark Lefler
Official page : http://komodochess.com/downloads.php
Houdini 6 - 59.95 euros
![Picture](/uploads/4/3/4/7/4347754/2536197.jpg)
May 15, 2010 / first version released - Houdini 1.0
November 25, 2013 / last version - Houdini 4
November 7, 2016 / latest version - Houdini 5
September 15, 2017 / last version - Houdini 6
Author : Robert Houdart
Official page : http://www.cruxis.com/chess/houdini.htm
Deep Shredder 13 - Elo 3280
![Picture](/uploads/4/3/4/7/4347754/0001-rhw-shredder-091019-stage1-v2-jn-small_1.jpg?248)
1996 / first version released - Shredder 1.0
October 30, 2016 / last version - Deep Shredder 13
Author : Stefan Meyer Kahlen
Official page : http://www.shredderchess.com/
Fire 5 - Elo 3249
![Picture](/uploads/4/3/4/7/4347754/wallpapersgang-3.jpg)
January 5, 2010 / first version released - Firebird 1.0
November 14, 2016 / last version - Fire 5
Author : Norman Schmidt
Official page : chesslogik.wixsite.com/fire/download
Gull 3 - Elo 3198
![Picture](/uploads/4/3/4/7/4347754/855-01p.jpg)
June 2013 / first version released - Gull 2.1
April 17, 2014 / last version - Gull 3
Author : Vadim Demichev
Official page : https://sourceforge.net/projects/gullchess/files/
Equinox 3 - Elo 3186
![Picture](/uploads/4/3/4/7/4347754/6377c48f3e56244cc705bfc4d5ee6dd5.jpg)
2009 - first version released
Author : Giancarlo Delli Colli
Official page : http://www.talkchess.com/forum/viewtopic.php?t=53884
Critter 1.6 - Elo 3171
![Picture](/uploads/4/3/4/7/4347754/3128166.jpg)
May 2009 / first version released - Critter 0.38
June 2012 / last version - Critter 1.6a
Author : Richard Vida
Official page : http://www.vlasak.biz/critter/
Fritz 15 - Elo 3169
![Picture](/uploads/4/3/4/7/4347754/5573650.jpg)
1991 / first version released - Fritz 1
Author : Franz Morsch
November 2015 / last version - Fritz 15
Author : Vasik Rajlich
Official page : http://shop.chessbase.com/en/products/fritz_15_english
Rybka 4 - Elo 3160
![Picture](/uploads/4/3/4/7/4347754/7005685.jpg)
December 2005 / first version released - Rybka 1.0 beta
March 2011 / last version - Rybka 4.1
Author : Vasik Rajlich
Official page : http://www.rybkachess.com/index.php?auswahl=Purchase+Rybka
Bouquet 1.8 - Elo 3159
![Picture](/uploads/4/3/4/7/4347754/2281591.jpg)
May 2012 / first version released
Author : Jose Maria Velasco
Official page : https://sites.google.com/site/chessbouquet/
Nirvana 2.2 - Elo 3154
![Picture](/uploads/4/3/4/7/4347754/madmax-frd-23519r.jpg)
April 10, 2013 / first version released - Nirvana 1.0
October 15, 2015 / last version - Nirvana 2.2
Author : Thomas Kolarik
Official page : http://nirvanachess.blogspot.ro/
Andscacs - Elo 3151
![Picture](/uploads/4/3/4/7/4347754/fire-fighting-amatoya-futuristic-vehicle-liam-ferguson-01.jpg)
Official page :
Protector 1.9 - Elo 3151
![Picture](/uploads/4/3/4/7/4347754/batman-vs-superman-dawn-of-justice-45-wallpaper-desktop.jpg)
Chiron 3 - Elo 3141
![Picture](/uploads/4/3/4/7/4347754/02-chiron-34-front-web.jpg)
October 2011 / first version released - Chiron 1
May 2016 / last version - Chiron 3
Author : Ubaldo Andrea Farina
Official page : http://www.chironchess.com/
Hannibal - Elo 3122
![Picture](/uploads/4/3/4/7/4347754/car-4002-peugeot-concept.jpeg)
January 28, 2015 / last version - Hannibal 1.5
Authors : Sam Hamilton , Edsel Apostol
Official page : https://sites.google.com/site/edapostol/hannibal
Strelka 5 - Elo 3113
![Picture](/uploads/4/3/4/7/4347754/3354552.jpg)
Not official : http://www.autochess.com/forum/strelka-5-uci-t1587.html
Naum 4.6 - Elo 3108
![Picture](/uploads/4/3/4/7/4347754/6645363.jpg)
Official page : http://naumchess.brinkster.net/
Jonny
![Picture](/uploads/4/3/4/7/4347754/193059.jpg)
Official page :
Raptor - Elo 2903
![Picture](/uploads/4/3/4/7/4347754/spiked-jalopies-1024x681.jpg)
Official page :
Ginkgo - Elo 3028
![Picture](/uploads/4/3/4/7/4347754/great-muscle-car-wallpaper.jpg)
Official page :