Open game
01
オープンゲーム, オープンな試合
a game that features early pawn exchanges and a relatively open center of the board, often resulting in more active and tactical play
例
The game quickly turned into an open game after both players exchanged their central pawns.
両プレイヤーが中央のポーンを交換した後、ゲームはすぐにオープンゲームに変わりました。
