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
Li Chao (chess player) Li Chao (chess player) Li Chao (; born 21 April 1989 in Taiyuan, Shanxi) is a Chinese chess Grandmaster and Asian champion in 2013. In 2007, he became China's 23rd Grandmaster at the age of 18. He has been a second/assistant for fellow Chinese chess Grandmaster Wang Yue on several occasions; the two are good friends having known each other since they were children. In chess circles he is sometimes known as "Li Chao b" since there is a second Chinese chess player named Li Chao. Li Chao started to play chess at the age of six. In 2005 he