is determined by their color. Historically, poker chips were made of bone; however, modern casino chips are often made of clay or a clay composite and are considered the most upscale variety of poker chip; other high-end chips are made of ceramic. Plastic chips are also available, at a wide variety of quality levels. chip declare A method of declaring intent to play high or low in a split-pot game with declaration. See declaration. chip dumping A strategy whereby one player deliberately loses chips to another player. Where players have agreed to take such action together, this is a form of collusion. chip leader The player currently holding the most chips in a tournament (or occasionally a live no limit game) chip race An event in tournament poker where chips of a value lower than the minimum required are removed from play. See main article: chip race. chip up To exchange lower-denomination chips for higher-denomination chips. In tournament play, the term means to remove all the small chips from play by rounding up any odd small chips to the nearest large denomination, rather than using a chip race. To steadily accumulate chips in tournament play, typically by winning small pots with minimal risk-taking. chop To split a pot because of a tie, split-pot game, or player agreement To play a game for a short time and cash out. Also hit and run. A request made by a player for the dealer to make change An agreement by all players remaining in a tournament to distribute the remaining money in the prize pool according to an agreed-upon formula instead of playing the tournament to completion. Usually occurs at the final table of a large tournament. chopping the blinds Ending a hand when all players have folded to the blinds with the blinds being returned to those who paid them. See main article: chopping the blinds. click raise Making the minimum raise. Refers to online poker where players click the raise button without specifying the amount of raise. closed See main article: closed coffee housing Talking in an attempt to mislead other players about the strength of a hand. This is also called speech play. coin flip A situation where two players have invested all their money in the pot and have a roughly even chance of winning. Also race. cold call To call an amount that represents a sum of bets