Permanent brain

In turn-based games, permanent brain (also called pondering) is the act of thinking during the opponent's turn.

Turn-based games such as chess have a weakness: one of the players can spend too much time thinking. Time control solves this problem: each player receives a certain amount of time for thinking. If a player spends more than the allotted time, he or she loses.

When a player thinks on his move, the opponent can relax. However, some players try to use the opponent's time for thinking too. Some players use this time for long-term planning (strategy). Other players try to predict the opponent's move and think about the next move. Players who are in time trouble use pondering particularly frequently.

Use with chess programs

The strength of chess programs depends very much on the amount of time allocated for calculating. Many chess programs use pondering to improve their strength. Current programs cannot create strategic plans, so a program simply tries to predict the opponent's move and begins to calculate its response. If the opponent's move has been guessed correctly, then the program continues to calculate. If the prediction fails, the program begins a new computation.

Poi Dog Pondering

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Poi Dog Pondering is an American musical group, noted for its cross-pollination of diverse musical genres, including various forms of acoustic and electronic music. Founded in Hawaii in 1984 by Frank Orrall, initially as a solo project. In 1985 Orrall formed the first line-up of PDP to perform its first concert; at the Honolulu Academy of Arts. The band then embarked on a yearlong Street Performance Busking tour across North America, eventually settling in Austin, Texas in 1987, where they recorded their first three albums. In 1992, the band relocated, this time to Chicago, Illinois, where they began to incorporate Orchestral arrangements & elements of Electronic, House Music and Soul music into their Acoustic Rock style. The membership of Poi Dog Pondering has changed from album to album.

Hawaii / Street performing years; members

During the Hawaii years (1985–1986), the band had the following lineup: