Kriegspiel (chess) follows. The game is played with three boards, one for each player; the third is for the umpire (and spectators). Each opponent knows the exact position of just their pieces, and does not know where the opponent's pieces are (but can keep track of how many there are). Only the umpire knows the position of the game. The game proceeds in the following way: The umpire announces: Pawn promotions are not announced. Kriegspiel is sometimes used in chess problems. In these, usual variations introduced by different black moves are replaced by variations introduced by different announcements. An example of a
William Lewis (chess player) William Lewis (chess player) William Lewis (1787–1870) was an English chess player and author, nowadays best known for the Lewis Countergambit and for being the first player ever to be described as a Grandmaster of the game. Born in Birmingham, William Lewis moved as a young man to London where he worked for a merchant for a short period. He became a student of chess player Jacob Sarratt, but in later years he showed himself to be rather ungrateful towards his teacher. Although he considered Sarratt's "Treatise on the Game of Chess" (1808) a "poorly written book", in 1822 Lewis