
Chessle
Identify a chess opening by guessing its sequence of moves.
A few filters. A world of little challenges.

Identify a chess opening by guessing its sequence of moves.

Reach a target number using arithmetic operations on the available numbers.

Connect groups of up to four numbers that sum to ten and cover the board.

Discover number sequences built through addition in a daily logic puzzle.
Divide a grid into rectangles whose areas match the enclosed numbers.

Shade cells to remove repeated numbers while keeping the remaining cells connected.

Place lights to illuminate the grid without letting bulbs shine on each other.
Remove numbers so that each row and column adds up to its target.

Estimate the angle shown on screen in four attempts.

Find a five-digit prime number with feedback after each guess.
Find a hidden equation through coloured feedback on numbers and operators.

Identify an MLB player using feedback about their attributes.