I've written before about the coalition midgame being critical to deciding how the endgame — the final two years or so of this parliament — end up playing out. (politics.co.uk)
It disconnects midgame occasionally, which can cause major problems in whatever game you're playing, reports say. (businessinsider.com)
In the early studies on chess players, novices and experts were shown typical midgame chess board positions, and when later asked to reproduce them on nearby chess boards, the experts were far more successful than the novices. (snixykitchen.com)