Chess Assistant 23 & Chess Assistant 22Chess Assistant 23 combines advanced game database management, analysis powered by the strongest engines, the advanced Tree mode, Opening Encyclopedia and many other features.
Chess Assistant 23 €75.96
Chess Assistant 22 €47.48
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August 2023
May 2023
December 2022
- ChessOK Aquarium 2023 Released - Analysis Powerhouse
- Chess King 23 is Available in Our Shop for PC and Mac
November 2022
August 2022
April 2021
June 2020
November 2019
December 2018
July 2018
April 2018
December 2017
- Chess Assistant 18 and Aquarium 2018 Release, now with Houdini 6!
- Houdini 6 Wins the TCEC Championship! Interview with Author Robert Houdart
August 2016
June 2016
May 2016
April 2016
January 2016
December 2015
November 2015
April 2015
December 2014
August 2014
May 2014
- Video Introduction to CT-ART 5.0
- Online Access to 7-man Tablebases!
- Chess Assistant Standard Released!
February 2014
December 2013
- Aquarium 2014 Update
- Chess King 4 Deep Available!
- New Software with Houdini 4 and Aquarium 2014 Released!
- Chess Tactics in Caro-Kann Defense
- Chess Assistant 14 Released!
- CT-ART 5.0. Complete Chess Tactics
- Houdini 4 Aquarium and ChessOK Aquarium 2014 Available for Preorder!
- Chess Assistant 14 now Available for Preorder!
- Chess Openings Encyclopedia 2014 Released!
October 2013
August 2013
June 2013
- Chess Middlegame Collection 2013
- Chess Tactics in Slav Defense
- Chess King 3 MAX and PRO - with Houdini 3!
- Chess Openings Encyclopedia 2013
- Chess King 2 Released!
March 2013
- ChessOK Aquarium - Ultimate Analysis and Playing Tool; compatible with Houdini 3
- Lomonosov Tablebases Announcement
- Lomonosov Ending Tablebases
January 2013
November 2012
- Houdini 3 Aquarium and ChessOK Auarium 2012 Released!
- Chess Assistant 13 with Houdini 3 Released!
- Advanced Defense Course Released
- ChessOK Aquarium 2012 Preorder!
August 2012
- Online Grand Prix 2012, Final Tournament Results
- ICCF Champions League 2010-2012
- The report of the Panel of Judges on Anti-Computer Control
June 2012
- Special Deal for Training Packages!
- The Seventh Tal Memorial
- Special Deal for the Houdini Aquarium Products!
April 2012
- Supplement 3
- Supplement 2
- Supplement 1
- Russian Online Blitz Grand Prix Open!
- Aronian-Kramnik Match in Zuerich 2012
- Chess Tactics ART for Beginners
- 4 New Chess Combinations Books
March 2012
February 2012
January 2012
December 2011
- Christmas Offer in Effect till January 25
- Chess King Released
- New Chess Programs Avalilable
- New Articles
- London Chess Classic 2011
- WBCCC: Victorious With Aquarium
- Houdini 2 Aquarium
- Sending Games and Position to IDeA
November 2011
- Houdini 2.0c Update
- Tal Memorial 2011
- Houdini Opening Book released!
- Aquarium 2011 / Houdini Aquarium updates. Build 490.
- 18th European Team Championship
- Houdini Sofware Family has been released on DVD
- Chess Assistant 12 Automatic Update
October 2011
- Chess Assistant 12 products family has been released!
- Study Chess Online!
- 15th Unive Tournament 2011
- Houdini 2 Aquarium products family has been released!
- A New Approach to Infinite Analysis
- Introduction to the Aquarium Directory Structure
- Aquarium Engine Matches and Tournaments, Part Two
- Aquarium Engine Matches and Tournaments, Part One
September 2011
August 2011
July 2011
June 2011
- Bazna 5th Kings Tournament 2011
- 24th Leon Masters 2011
- Summer Offer: 10 Training Programs with 20% Discount
May 2011
- New features of Aquarium 2011
- Aquarium 2011. Part two
- Aquarium 2011. Part one
- New Training Software
- FIDE World Championship Candidates Matches
April 2011
March 2011
- Aquarium 4.0.7 update with Rybka 4.1 released
- Special Offers in our Shop
- Amber Blindfold and Rapid tournament 2011
- Chess Tactics for Beginners 2.0
- Dadi Jonsson's article on CT-ART: Mating Combinations
February 2011
January 2011
- ”Play Like Mikhail Botvinnik” training course released for free!
- Rybka Aquarium: Using IDeA in correspondence chess
- Wijk aan Zee 2011
December 2010
- New Aquarium 4.0.6 - major update
- Rybka Aquarium: A Guide to Basic IDeA Usage
- New Training Software
- London Chess Classic 2010
- Women's World Chess Championships 2010
November 2010
- New CT-ART and Peshka Interface Updated
- Russian Woman Championship 2010 Superfinal
- New training packages
- World Blitz Championship 2010
- New Products: Modern Chess Opening Series
- New training packages
- Tal's Memorial 2010
October 2010
September 2010
- World Chess Olympiad 2010
- New Features in Aquarium 4.0.6
- New offer: buy 3 chess books for the cost of 2
- Starting a New IDeA Project
- Using the Rybka 4 Aquarium Opening Book
- Chess Assistant autumn offer
August 2010
July 2010
June 2010
- Bazna III Kings Tournament 2010
- Getting More Out of IDeA in Aquarium 2010
- New Rybka Aquarium Opening Book
- Seven new training courses are available on CD
- Poikovsky Tournament 2010
May 2010
- Rybka 4 Aquarium, Opening Book & Chess Assistant 11 release
- Rybka 4 UCI Released!
- FIDE Grand Prix Astrakhan 2010
- New training courses in our online shop
April 2010
- World Championship Match: Anand vs Topalov
- Openings Encyclopedia 2010 released
- Rybka 4 Aquarium, Opening Book & Chess Assistant 11 preorder
- New Features in Aquarium
March 2010
February 2010
- Ciudad de Linares 2010
- New Books
- Networked Computers with Aquarium 2010
- Aquarium's Hidden Treasures. Part Two
January 2010
- New Training Packages: for Beginners, for Club & Intermediate Players
- Corus Chess [Wijk aan Zee] 2010
- World Team Championship 2010
December 2009
- Video Interview with Vasik Rajlich
- New Training Software: Opening Lab
- Various Updates
- London Chess Classic
November 2009
- Interactive Deep Analysis (IDeA) With Rybka Aquarium 2010
- New product: ChessOK Aquarium 2010
- New Products Available: CT-ART 4.0, Elementary Checkmates I & II
- Rybka Aquarium 2010+
- World Cup - 2009
- Aquarium’s Hidden Treasures
- Interactive Deep Analysis (IDeA) With Rybka Aquarium 2010
- Tal Memorial 2009
October 2009
September 2009
- Pearl Spring 2009
- Champions match: Kasparov - Karpov
- Handicap Play in Rybka Aquarium
- Aquarium 3.2.1 Update
- 2nd Grand Slam Masters Bilbao Final 2009
- Back with a Vengeance
August 2009
- Aquarium 3.2.0 Update
- Dadi Jonsson «Introduction to Writing Aquarium iBooks»
- Grand Prix FIDE: Jermuk-2009
July 2009
- World Rapid Championship
- Dadi Jonsson «Peshk@ Training Courses»
- 42nd Biel Chess Festival
- San Sebastian Cultural City Tournament
- Dortmund Sparkassen Chess-Meeting 2009
June 2009
- Analysis Presets in Rybka Aquarium
- Peshk@: For Training and Improvement
- TOP GM's Rapid Battle: Leko vs Anand
May 2009
- Poikovsky 2009
- Rapid match Navarra - Ivanchuk
- Peshk@: A new program for training and improvement
- Rybka 3 won The 14th Computer Olympiad
- 17th World Computer Chess Championship
- Mtel Masters 2009: Shirov wins!
- Bosna - 2009
- The President's Cup: Rapid match Azerbaijan vs FIDE World
April 2009
March 2009
- Rybka won the CCT11 tournament!
- Introduction of ChessOK's New Online Chess Shop
- Amber Blindfold and Rapid tournament 2009
- Article - Jeroen's New Opening Book for Rybka Aquarium
- Aquarium 3.1.1 Update
- New! Rybka Aquarium opening book by Jeroen Noomen
- Aquarium 3.1.0 Update
February 2009
- Ciudad de Linares - 2009: Gruschuk wins
- Highlights from the Rybka Aquarium book
- Candidates Match: Topalov-Kamsky
- 4 games by Sergei Tiviakov
- Large-scale Analysis with Rybka Aquarium
- Moscow-Open 2009
January 2009
- Large-scale Analysis with Rybka Aquarium
- Opening Studies with Rybka & Chess Openings 2009
- Corus Chess 2009: Karjakin wins!
- Ivanchuk - Leko Match
- "Aker Chess Challenge" Super Rapid Tournament
December 2008
- Find Blunders with Rybka Aquarium
- 18th Pamplona International
- CQL Queries in Chess Assistant
- FIDE Grand Prix Tournament in Elista
- Top grandmasters tournament in China: Nanjing 2008
- New Products: ChessOK Aquarium Basic & Standard, Openings 2009
- Rybka 3 Aquarium 3.0.8 Update
- Chess Assistance site is back
- Rybka 3 Aquarium review by Mark Donlan
November 2008
- Chess Olympiad: More Commented Games
- Game Analysis with Rybka Aquarium
- Chess Olympiad Dresden 2008: Round 11
- Chess Olympiad Dresden 2008: Round 10
- Chess Olympiad Dresden 2008: Round 9
- Chess Olympiad Dresden 2008: Round 8
- Chess Olympiad Dresden 2008: Round 7
- Chess Olympiad Dresden 2008: Round 6
- Rybka 3 Won 28th Dutch Computer Chess Championship
- Chess Olympiad Dresden 2008: Round 5
- Chess Olympiad Dresden 2008: Round 4
- Chess Olympiad Dresden 2008: Round 3
- Chess Olympiad Dresden 2008: Round 2
- Chess Olympiad Dresden 2008
October 2008
- Creating Tree Configurations
- World Chess Championship: Anand - Kramnik
- Russian Championship Super Final
- Russian "Chess Queen" grabs 1st gold at World Mind Games
- Rybka wins the 16th World Computer Chess Championship
- Annotating Games with Chess Assistant 10
September 2008
- Tactics Training with Convekta software
- Play chess Online.
- Introduction to Tree Configurations
- Match GM Vadim Milov - Rybka 3
- World Women`s Chess Championship 2008
- Grand Slam Final Bilbao
- Game analysis with Chess Assistant 10
August 2008
- Tal Memorial
- Rybka Aquarium FAQ
- Get on Swimmingly
- Infinite Analysis with Chess Assistant 10
- Rybka 3 is finally released !
- Second Grand Prix Tournament: Sochi 2008
- New product: Total Chess Training III
July 2008
- New products: Rybka 3 Aquarium, Rybka UCI and Chess Assistant 10 with Rybka 3
- 41st Biel International Chess Festival
- North Urals Cup 2008. Krasnoturinsk
- Infinite Analysis with Rybka Aquarium
- New chess lessons
- Poikovsky 2008
- Miss ChessOK Play Zone-2008
- Karjakin - Short Rapid Match
June 2008
- Match P.Leko-M.Carlsen (rapid) 28th May-1st June
- New lesson by GM Kalinin: “Pirc Defence, 1.e4 d6”
- Sparkassen Chess-Meeting Dortmund
- Two new free services of the ChessOK.com
- Aerosvit-2008 (7th-20th June 2008)
- Interactive Deep Analysis with Rybka Aquarium
- Karen Asrian Memorial 2008
- XXI Magistral Ciudad de Leon. Ivanchuk has newly won!
- 4th Pivdenny Bank Chess Cup
May 2008
- BOSNA 2008
- King's Tournament Bazna
- Match Kramnik - Navara (rapid), Praha (May, 14-18)
- Interview with the Developers of Rybka 3
- Mtel-MASTERS, May 8th - May 18th 2008, Sofia, Bulgaria
- PLOVDIV 2008
April 2008
- FIDE GRAND PRIX SERIES
- Dinosaur Chess. Mac version
- FIDE GRAND PRIX, EVENT 1 April 20th - May 6th 2008, Baku, Azerbaijan
- Rybka Aquarium: Interview with the Developers
- Chess players rating list
- Russian Chess Championship among club teams.
- Play Chess on Your Mobile. Article by Dadi Jonsson
March 2008
- Amber Rapid and Blindfold Chess Tournament 2008
- Play Chess on Your Mobile
- Rybka vs. GM Roman Dzindzichashvili - A Pawn and Move
February 2008
January 2008
December 2007
October 2007
September 2007
August 2007
July 2007
February 2007
January 2007
November 2006
October 2006
April 2006
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