Short Castling

Long Castling

Movement of Pieces

Internet chess
This game consists of four more pieces per player
compared to traditional chess.
For each player there are two more pawns and two pieces called:
Bishop-Knight  and Rook-Knight.
The movement of the Bishop-Knight is so much of Bishop as of Knight.
The movement of the Rook-Knight is so much of Rook as of Knight.,
  as long as, just like in traditional chess,
position allows

Bishop Knight

Rook Knight

Board :

10 for 10 

chess Lockers

Board with all the pieces

100 Lockers

40 pieces in all..