囲碁

1. Origins, structure, and basic meaning

• Structure: 囲碁, read いご, is the board game Go, played by placing black and white stones to contest territory.
• Basic usage: Someone may learn its basic rules from a grandparent or play a game with a friend, conventionally expressed as 一局打つ.

2. Common pitfalls and similar expressions

• Verb and counter in 囲碁を一局打つ
  • Go is played with 打つ, and one game is counted as 一局. 囲碁 names the game, whereas 碁盤 names the board.