KBC 2023| Which of these chess pieces cannot move in a straight line? KBC 2023, Check the answer to the question- Which of these chess pieces cannot move in a straight line? By Himani Budakoti - October 16, 2023 KBC 2023, The options of the question – Which of these chess pieces cannot move in a straight line? A. King B. Pawn C. Bishop D. Knight The answer is D. Knight.