定石

Meanings

1. Noun

   standard practice; playing by the book; established tactic; formula
2. joseki (jōseki); standard sequence of moves (esp. in a corner)

• それは定石じょうせき通どおりというだけで、手てを抜ぬいたわけではないのです。

  That's just standard practise, it's not like they're cutting corners.