这是一局精彩的国际象棋对弈。

This is an exciting game of ___chess.

他每周五晚上都和爷爷下国际象棋。

He plays ___chess with his grandfather every Friday evening.

商业竞争就像下国际象棋，需要深思熟虑每一步策略。

Business competition is like playing ___chess, requiring careful strategy for every move.