As well as standard chess you can play the following chess variants on WyeSoft Chess:
In Chess960 the positions of the pieces on the first and eighth ranks are randomised, but mirror each other. There are two rules that the randomisation must follow; the king must be between the two rooks and the bishops must be on opposite-coloured squares. There are 960 possible combinations for the opening, hence the name Chess960.
When castling the king and castling rook's destination squares are exactly the same as in standard chess, regardless of their starting positions. The conditions that must be met to castle are also the same as in standard chess, except that different squares need to be clear depending on the king and rook's starting positions.
In Upside-Down Chess the black and white pieces are switched so that all the pawns are one step away from being promoted.
Note: You can only move the knights in your first move.
Upside-Down 2 is the same as Upside-Down Chess except that the pawns start two steps away from promotion.
In Pawns Game white starts with no queen but sixteen pawns instead of the usual eight. Black starts with the usual pieces.
In Weak! black starts with a king, seven knights and sixteen pawns. White starts with the usual pieces.
The Knight's Tour is a mathematical puzzle in the form of a single-player chess variant, involving just a single knight. The aim is to move the knight around the board, visiting each square once and only once.
Completing the puzzle on a square attacking the square you started on is called a closed tour. Finishing on any other square is called an open tour.
Knight's Tour can currently only be played via the web-based interface.
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