Critical Chess Decision

During the thrilling game of chess, Marco was known for his strategic moves. As he pondered his next action, he realized that some of his earlier decisions had been less than wise, leading him to a critical point in the match. His opponent, Claire, was formidable and always one step ahead. Marco knew that he had to adjust his tactics immediately or risk losing the advantage he had gained. The pressure mounted as he felt the weight of the upcoming ______, knowing it could determine the outcome of the game.