The poet invited a guest to play chess, but it was past midnight and the guest had not arrived yet. When the poet is bored, he intentionally or unintentionally picks up the chess pieces and knocks them on the chessboard, knocking down the snuff. This detail seems to be leisurely, but it actually reflects the poet's inner anxiety, boredom, loneliness, disappointment and dismay.
The word "leisure" appropriately expresses the poet's boredom and helplessness when he is anxiously waiting for the arrival of the guests.
Ask for adoption!