Endgame Season 1 Episode 11

A seemingly normal day for Balagan quickly turns deadly. After logging into an internet chess game, he discovers his opponent, "Mr Black", has taken hostages and will kill one for every game Balagan loses. When the police try to intervene, Balagan's clock runs out - with disastrous results. Balagan realizes he will have to work alone. He figures out who his mysterious opponent is, where he lives, and why he is doing this. Turns out, Mr Black is not mad. He has a reason and a purpose for doing what he is doing. So, now, how to stop him?