1.
standard sequence of moves (in Go)
In the board game Go, a well-studied sequence of moves that is considered optimal for both players in a given position.
2.
established pattern; textbook approach; proven method
By extension, any well-established, proven approach or standard procedure in a field. Implies a method that has been tested and accepted as effective.
Originally a Go (囲碁) term, now widely used figuratively in business, strategy, and daily life to mean "the standard/proven approach."
Common collocations
- 定石どおり: according to the textbook approach
- 定石を外す: to deviate from the standard
- 定石を破る: to break from convention
- 定石を踏む: to follow established practice
Similar words
- 常套手段: standard tactic — can have a negative nuance (hackneyed)
- セオリー: theory, standard practice — loanword, more casual
- 王道: the royal road, the orthodox approach — implies the best or most legitimate method
Usage
Also read as ていせき in some contexts, though じょうせき is the standard reading.