Losing chess

Losing chess (also known as Antichess, the Losing Game, Giveaway chess, Suicide chess, Killer chess, Must-Kill, Take-all chess, or Losums) is a chess variant in which the objective of each player is to lose all of his pieces or be stalemated, that is, a misère version. In some variations, a player may also win by checkmating or by being checkmated. Losing chess is one of the most popular of all chess variants.