board

Play out a random chess game from the standard opening position using real piece-movement rules, N plies at a time.

Generate a random, sanity-checked arrangement of chess pieces as FEN notation and a visual board.

Generate a random crossword grid from a small built-in word list using simple greedy intersection placement, with a structural clue list.

Play out N random non-capturing checkers moves from the standard setup and see the move list plus final board.

Generate a random arrangement of checkers pieces on the dark squares of an 8x8 board, with a configurable piece count.

Simulate N random alternating Go moves with a simplified single-stone capture check, on a configurable board size.

Generate a random arrangement of black and white Go stones on a configurable 9x9, 13x13, or 19x19 board.

Generate a random, genuinely solvable 9x9 Sudoku puzzle with easy/medium/hard difficulty and a one-click solution reveal.