Houdini Aquarium 2019 & ChessOK Aquarium 2021
ChessOK Aquarium 2021 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engines and 7-piece Lomonosov Tablebases.

ChessOK Aquarium 2021 €35.95
Houdini 6 Aquarium 2019 €53.95

New Books in Our Shop!

New books are available in our shop!.

The Manual of Chess Combinations, vol. V, Chess nuts:

This book is written by experienced chess masters and trainers to help players develop combination vision by systematic training in examining and solving typical combinations. The book also allows to determine your level of combination skills.

Moscow 2021. Hard cover, 118 pages.

Chess Tactics Training by Nikolai Shumilin:

Deeply thought out structure, thoroughly picked material, gradually increasing complexity and difficulty make this book useful for beginners, experianced players and chess trainers alike.

Moscow 2021, Hard cover, 192 pages.

Special Deals: 50% OFF, 5-in-1 AND MORE!

The following special offers are availabl.

OFFER 1 – MULTIPLATFORM: You can buy our training courses (such as CT-ART 6.0 and others) in three different versions:

1. Multiplatform for 5 systems: Windows standalone, Web (any browser), iOS, MacOS (v.10.15+) and Android OS** – 30% off!
2. Windows only version: the classic standalone course in Peshk@ interface – 50% off!
3. Upgrade your Windows only version to work on 4 more platforms (see above) – 50% off!

**Note: You will receive the activation instructions for Windows immediately and for other version – within 2 days after purchase.

OFFER 2 – BOOKS: Buy any two books and get a thirds one as a gift!


Note: Specify the bonus products(s) you want to receive in the comments field when filling the order form.

ChessOK Aquarium 2021 Released – Analysis Powerhouse

The newest installment of ChessOK Aquarium is now available in our shop.

ChessOK Aquarium 2021 is an advanced chess analysis software featuring the world’s best analysis tools: Interactive Deep Analysis (IDeA), CAP analysis, chess trees etc.

ChessOK Aquarium 2021 comes with grandmaster level playing program, and can auto-download and install popular chess engines, including the strongest engine to date Stockfish 12.

You also receive the latest version of databases with 7 555 000 games in total and 1-year access to 7-man Lomonosov Tablebases

BONUS: Buy ChessOK Aquarium 2021 and get a 3-month subscription at Chess King Learn, giving you full access to all 60+ Chess King training courses!

Chess Assistant 21 Released – Professional Database Management Tool

Chess Assistant 21 is released!

Chess Assistant 21 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.

Includes Rybka 4 (also automatically downloads and connects Stockfish 12 upon installation), databases with 7 555 000 games updated weekly, Chess Opening Encyclopedia, 7-man Lomonosov Tablebases and many other features.

BONUS: Until December 15, buy Chess Assistant 21 and get a 1-year subscription at Chess King Learn (normally costs $65.95), giving you full access to all 60+ Chess King training courses in Web, iOS and Android OS!

ECU Schools Internet Championship 2019
Fourth European School Team Chess Internet Championship 2019 has finished. Two team tournaments took place in November 13 (under 11 y.o.) and November 20 (under 17 y.o.), on the Chess King Play online platform. The struggle in the U17 age group was tight, and the first place was decided by just a couple tiebreaking points, but in the end the team of School 481 (Russia) won the invitation to play in the European School Championship 2020, Crete. School No.2101, also from Russia, won a similar invitation in the U11 group. Full results: ECU Schools Internet Championship 2019

Aquarium 2019 with Houdini 6 Release!
The newest installment of Aquarium with Houdini 6 is now available in our shop. ChessOK Aquarium 2019 is an advanced chess analysis software featuring the world’s best analysis tools: Interactive Deep Analysis (IDeA), CAP analysis, chess trees etc. Houdini 6 Aquarium 2019 combines the effective and innovative analysis and publishing tools of the Aquarium 2019 interface with the immense calculating power of the world’s strongest engine Houdini 6. Depending on the product, you gain 3 to 12 months of FREE subscription at Chess King Learn, giving you full access to all Chess King training courses! Learn more about the differences between tour programs in in our Product Comparison Table.

Chess Assistant 19 with Houdini 6 Release!
Newest instalment of Chess Assistant is now available in our shop, with Houdini 6 and database 7,077,000 games! Chess Assistant 19 with Houdini 6 is a powerful tool designed for managing chess games and databases, playing chess online, analyzing games, and playing against the computer. The Starter package comes with Houdini 6 while the Professional package uses Houdini 6 PRO for even more playing strength! Depending on the product, you gain 3 to 12 months of FREE subscription at Chess King Learn, giving you full access to all Chess King training courses! Learn more about the differences between tour programs in in our Product Comparison Table. Chess Assistant 19 PRO with Houdini 6 PRO for download. Chess Assistant 19 PRO with Houdini 6 PRO DVD. Chess Assistant 19 with Houdini 6 for download. Chess Assistant 19 with Houdini 6 DVD. Upgrade Chess Assistant 18 to Chess Assistant 19 with Houdini 6 for download. Upgrade Chess Assistant 18 to Chess Assistant 19 with Houdini 6 DVD. Upgrade Chess Assistant 17 and earlier versions to Chess Assistant 19 with Houdini 6 for download. Upgrade Chess Assistant 17 and earlier versions to Chess Assistant 19 with Houdini 6 DVD.

CT-ART for Android!

CT-ART is now available on Android – check it out on Google Play or Download Apk!

This excellent tactics course has been voted more than once by the chess experts as the best training program on chess tactics. CT-ART is an indispensable training tool for intermediate players sporting an advanced hint system – each position is accompanied with a similar one on a 5×5 board, demonstrating the main point of the example!

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7-man Lomonosov Tablebases provide deeper-than-ever insight into chess endgame.

Download weekly chess database updates (containing 2000+ games) with latest tournaments and games in PGN and Chess Assistant format.

More »

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