Specials

New: Dvoretsky 7 advanced courses combo
Mark Dvoretsky is well known as the world's leading chess trainer.

CT-ART 20 Maximum Chess Tactics
Ct-Art 20 is a combo of 20 tactics courses, levels 1 - 9 [Rating 200-2400]

Chess King Strategy/Endgames 10
Chess King Strategy 10 is a combo of the best 6 strategy courses and 4 endgame courses, levels 1 - 9 [Rating 200-2400]

Chess King Complete 25
Chess King Complete 25 is a combo of the most important chess courses, levels 1 - 9 [Rating 200-2400] in all areas of chess (Openings, Tactics, Strategy, and Endgames).

Chess King Openings 15
Chess King openings 15 is a combo of 15 openings courses, levels 5 - 9 [Rating 1400-2400]

Chess King Learn Maximum 120+
ALL 120 CHESS KING LEARN COURSES, ALL PLATFORMS, 100 YEARS. THEORY AND INTERACTIVE EXERCISES SUITABLE FOR ALL LEVELS FROM BEGINNER TO MASTER.

CHESS KING CHAMPIONS ANTHOLOGY 26
The largest collection ever of World Champions and Super Grandmaster Games.

Chess King Beginners 9
Chess King Beginners 9 is a combo of the best 9 courses that will help you go from nothing to proficient at chess. For players Unrated to 1400.

Chess King Learn INFINITY BUNDLE
Everything you need to progress from an absolute beginner to a master, all in one bundle.

Upgrade to ChessOK Aquarium 2025 (download)
Upgrade your ChessOK Aquarium (any previous version) to ChessOK Aquarium 2025