Houdini Aquarium 2019 & ChessOK Aquarium 2019
Houdini Aquarium 2019 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engine Houdini 6 and 7-piece Lomonosov Tablebases.

Houdini 6 Aquarium 2019 €53.95
ChessOK Aquarium 2019 €35.95

ChessOK.com » New training packages
New training packages 10 November 2010


Total Chess Training IV is a training package for club players that consists of five educational programs and covers such aspects of chess as Opening, Combinations, Attack and Defense. This package includes nearly 50,000 positions to be solved with difficulty from 1300 to 2000 ELO.


Training Package for Intermediate Players for intermediate players consists of five educational programs: Chess Endgame Training, Attack on the King II, CT-ART 4.0, Chess Tactics for intermediate players, Chess Strategy, covering every phase or aspect of chess from Opening to Endgame.

Study chess online on Chess King Learn! Time-proven training courses, thousands of examples and exercises.

Start playing right now in your web browser on Chess King Playing Zone! Teams, tournaments, training, analysis and much more!

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.

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