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
Frank Marshall (chess player) the Queen's Gambit Declined (2...e6), Slav Defense (2...c6), and Queen's Gambit Accepted (2...dxc4). In his famous game against Stepan Levitsky, Marshall concluded with a of his queen, allowing it to be captured three different ways. Although Marshall lost to Capablanca far more often than he won (+2−20=28), he was one of only a few players ever to beat him with the black pieces. Capablanca rarely lost in the endgame. Frank Marshall (chess player) Frank James Marshall (August 10, 1877 – November 9, 1944) was the U.S. Chess Champion from 1909 to 1936, and one of the world's strongest chess players