Houdini Aquarium 2019 & ChessOK Aquarium 2023ChessOK Aquarium 2023 is a new powerful analysis, database and chess publishing tool, powered by the world's strongest chess engines.
ChessOK Aquarium 2023 €39.96
Houdini 6 Aquarium 2019 €53.95
Chess King 3 MAX with Houdini 3 and Chess King 3 PRO with Houdini 3 Pro are released!
Check out the updated Chess King section of our shop for the full list of new products. Chess King 2 and 3 further develop and improves the original idea emphasizing simplicity and variety in training. 1500 puzzles, unique training modes, powerful Houdini 2 engine, huge databases, 1600 photos of chess players, multiple languages support and more!
Chess King 3 MAX includes the strongest chess engine Houdini 3, and Chess King 3 PRO has the even stronger version – Houdini 3 PRO, supporting up to 32 cores, 256 MB of hash memory and NUMA-architecture.
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!
Download weekly chess database updates (containing 2000+ games) with latest tournaments and games in PGN and Chess Assistant format.
- Aquarium support resource
- Opening Tree Mode
- Play Chess against Computer
- Endgame Nalimov Tablebases
- Download Chess Games (PGN)
- Chess Puzzles