You play the gold pieces and move first. Tap a piece, then tap a glowing square. Captures glow with a ring.
Full chess rules: castling, en passant, and promotion β when a pawn reaches the far row, pick what it becomes (queen is the usual call).
Checkmate ends it. So does stalemate, the 50-move rule, or running down to bare kings and a single minor piece.
The π board is for wins only: checkmate scores 200, plus a point for every pawn of material you are up at the end. Draws stay off the board.
Three difficulties: Easy takes it light, Medium plays a real game, Hard thinks three moves deep. Good luck.
The whole game, the real rules β castling, en passant, promotion, checkmate. You play gold and move first.
You vs the computer β it's always here, day or night. No waiting on anybody to come online.
Wins only β checkmate = 200 + your material edge.