棋士

1. Origins, structure, and basic meaning

• Structure: 棋士(きし) means a professional go or shogi player.
• Basic usage: It is used for players considering their next move or teaching after retirement.

2. Common pitfalls and similar expressions

• A move in the game
  • 次の一手(つぎのいって) means the next move.
• Who a class is for
  • 子ども向けの教室 means a class intended for children. 向け marks the intended audience.