Checkers may not enter on a point occupied by two or more opposing checkers. Several games are included, including chess, checkers and poker. Playing cards, checkers and chess games are part of Algerian culture. Lasker published several books on American checkers, chess, and Go. Nezhmetdinov had a natural talent for both chess and checkers. Blakey reports that Monk was excellent at both chess and checkers. He was a member of the Stamp, Radio, and Chess/Checkers clubs. He constantly cheats at poker and checkers. Computer grammar checkers often highlight incomplete sentences. The artefacts include two dice and 60 checkers. CNNs have been used in the game of checkers. The first player to bear off all fifteen of his/her own checkers wins the game. Two players move and drop the checkers using buttons. The reigning champions are the Charlotte Checkers. Turtle enjoys quiet activities like bird watching or playing checkers with his friends.