Oh Mister Jive! Come on and hear. Sent for you yesterday and here you come today.
Kriegspiel (chess) - Wikipedia
Kriegspiel is a chess variant invented by Henry Michael Temple in 1899 and based upon the original Kriegsspiel (German for war game) developed by Georg von Reiswitz in 1812. In this game each player can see their own pieces, but not those of their opponent. For this reason, it is necessary to have a third person (or computer) act as ...