1) Chess variant 
Chessence is a chess variant invented by Jim Winslow in 1989.{sfnp|Pritchard|1994|p=54|ps=}{sfnp|Pritchard|2007|p=296|ps=} The board is a 6×9 rectangle of squares with eight squares missing (blackened out in the diagram). Each player has a king and nine men with initial setup as shown, including three men initially not yet in play at the side of ...