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
Four-player chess can be checkmated, the game is a draw. Singles is substantially harder than team play. In this method, each player can attack any of the other three players and vice versa. Once a player is checkmated, the checkmated player can either remove their pieces from the board, or the player that checkmated can use the remaining pieces during that player's turn. Play continues until only one player remains. Four-player chess Four-player chess (also known as Four-handed, Four-man, or Four-way chess) is a family of chess variants typically played with four people. A special board made of standard 8×8 squares with