Progressive blindfold chess training from square recognition to full games
Don't hand them the win
Stage
Not given
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Founded
Not given
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Based in
FR
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Pricing model
Freemium
Freemium
Pricing
Free: €0 forever with unlimited exercises, games vs AI, and access to levels 1-3. Pro Lifetime: €39 one-time payment for all 7 levels, all 8 AI difficulties, famous games library, endgame training, and intermediate tactics.
Free to play with ads. Optional one-time purchase to remove ads, and separate purchase to unlock two extra board themes.
Key features
7 progressive training levels from square colors to full blindfold games
Unlimited exercises and games against AI
Voice-controlled play in 6 languages
Progress tracking and achievement system
Cross-device synchronization
Famous grandmaster games to replay blindfolded
Endgame training module
Multiple board visibility modes
Tactical puzzles and exercises
Pass-and-play for two players on one device
Daily puzzle
Challenge a friend with puzzle codes
Eight language support
Fully offline gameplay
Tablet-optimized layout
Optional ad-free upgrade
What makes it different
Systematic progression from fundamentals to blindfold mastery, not just a side effect of puzzle training
Free tier is genuinely free with no dark patterns or engagement manipulation
One-time €39 lifetime payment with no subscription required
Built and maintained by a single indie developer actively improving the product
Available across web, iOS, and Android with unified account
Your opponent chooses the piece you place, creating unique strategic tension
Playable completely offline with no account required
Challenge friends asynchronously using puzzle codes
Five AI difficulty levels including unlockable Grandmaster mode
DarkSquares
Quads