陣取り

1. Origins, structure, and basic meaning

• Structure: 陣取り(じんとり) means capturing a position or territory, or a game that involves competing to do so.
• Basic usage: It is used for territory games in a schoolyard or games about securing areas.

2. Common pitfalls and similar expressions

• をする names the activity
  • 陣取りをして describes playing a game of capturing territory.
• The example's winning condition
  • The second example describes a game in which the side securing a large area wins.