Square Colors

Memorize which squares are light and dark, then name their colors blind.

• Level 13 × 3Files a–c, ranks 1–3
• Level 24 × 4Files a–d, ranks 1–4

Knight Vision

Decide whether a knight can jump to a given square of the given color.

• Level 14 × 4Files a–d, ranks 1–4

Knight Jump

Hear where the knight stands, then swipe it to the announced square — eyes-free.

• Level 14 × 4Files a–d, ranks 1–4

Experiments

Work in progress — try them out and see what sticks.

• Haptic4 × 4Select a square by swiping and feeling the ticks