1) Chess variant 
Stratomic is a chess variant invented by Robert Montay-Marsais in 1972.{sfnp|Pritchard|1994|p=293|ps=}{sfnp|Pritchard|2007|p=152|ps=} The game is played on a 10×10 board with all the standard chess pieces present, and in addition, two nuclea pieces (representing nuclear missiles) and two extra pawns per side. The game brings the concept of modern...