Hidden pieces leave attack patterns on the board. Read the clues, deduce their squares, and feel the "I SEE IT" moment — no guessing, ever.
Every puzzle has exactly one solution and is validated to be solvable by logic alone. If you're guessing, you're missing a clue.
You absorb how every piece really moves — from knight forks to blocked attack lines — without a single chess lesson.
From a lone rook on a 5×5 board to multi-piece 8×8 master boards with Minesweeper-style attack counts. A fresh daily puzzle keeps the streak alive.
Relax with unlimited thinking time, or chase stars and streaks when you want stakes. Deduction tools let you mark and reason on the board.