Kriegspiel (chess) illegal, the player tries again; if it is legal, that move stands. Each player is given information about checks and captures. They may also ask the referee if there are any legal captures with a pawn. Since the position of the opponent's pieces is unknown, Kriegspiel is not a game with perfect information. As each player cannot see his opponent's pieces, the game is sometimes referred to as "blind chess". There are several different rule sets for Kriegspiel. The most widespread rules are those used on the Internet Chess Club, where Kriegspiel is called "Wild 16". The rules are as
White and Black in chess first player as well as second ... this was a common fad in his day, which persisted with a great number of players, as a study of the "Chess Players' Chronicle" and other magazines shows. In the Immortal Game (Anderssen-Kieseritzky, offhand game, London 1851), one of the most famous games in history, Anderssen had the Black pieces but moved first. He also took the Black pieces but moved first in the sixth, eighth, and tenth games of his famous 1858 match against Paul Morphy. Each of those games began 1.a3 e5 2.c4, when Anderssen was effectively playing the Sicilian Defense