Why this works
Focus Chess Puzzles in ChessHole are not about checkmate. They are about move order, reachable squares, and keeping a piece alive after the board changes.
ChessHole
online chess puzzle
Focus Chess Puzzles online for brain-training fans
Open ChessHole in the browser and start solving without setup. ChessHole helps brain-training fans train attention on one board state while practicing clear feedback after every move.
Play ChessHoleBest first habit
Before moving, count the safe landing squares each piece will still have after its current tile collapses. That single habit prevents most early dead ends.
Who should try it
This page is tuned for brain-training fans who want spatial reasoning and sequencing practice in a chess-inspired puzzle that runs in the browser.
Free vs Pro
The first 40 launch boards are free. Pro is a one-time $4.99 unlock for every proof-built board, unlimited hints, and premium piece skins as they land.
What makes focus chess puzzles different in ChessHole?
ChessHole turns focus chess puzzles into a disappearing-board route puzzle. Each move removes the square the piece left behind.
Is this useful for brain-training fans?
Yes. It is designed for spatial reasoning and sequencing practice, while still using familiar chess-piece movement.
Can I play these puzzles online?
Open ChessHole in the browser and start solving without setup.
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