All rules

Seven ways to play. Pick one to read how it works.

• StandardNo extra rule. The game as it is.
• Chess960The back row starts shuffled.
• King of the HillGet your king to the centre to win.
• Three-checkGive three checks to win.
• AtomicEvery capture explodes.
• Horde36 pawns against a full army.
• Disguised queenOne of your pawns is secretly a queen.