2 sentences

1. 两人在棋枰上对弈。

   liǎng rén zài qí píng shàng duì​yì.

   The two of them are playing a game on the chessboard.

   Source: Dong Chinese Dictionary

2. 两位大师在林间对弈，成就了文坛的一段韵事。

   liǎng wèi dà​shī zài lín jiān duì​yì, chéng​jiù le wén​tán de yī duàn yùn​shì.

   The two masters playing chess in the forest became a romantic tale in the literary world.

   Source: Dong Chinese Dictionary