Names for the number 0 in English the first recorded usage of the word "love" to mean "no score" is by Hoyle in 1742 (OED, 2nd Edition). BBC Radio 5 Live has broadcast spin-off versions of its football phone-in 6-0-6 (""six-oh-six"") focused on cricket and tennis, branded as "6-Duck-6" and "6-Love-6" respectively, in the summer months during the soccer off-season. Another name for 0 that is used in sports is "nil". This is derived from the Latin word "nihil", which means "nothing". Although common in British English, in football results and the like, it is only used infrequently in U.S. English. The British "nil" is not slang,
Zero-sum game in a zero-sum game gives rise to a generalized relative selfish rationality standard, the punishing-the-opponent standard, where both players always seek to minimize the opponent’s payoff at a favorable cost to himself rather to prefer more than less. The punishing-the-opponent standard can be used in both zero-sum games (e.g. warfare game, Chess) and non-zero-sum games (e.g. pooling selection games). For two-player finite zero-sum games, the different game theoretic solution concepts of Nash equilibrium, minimax, and maximin all give the same solution. If the players are allowed to play a mixed strategy, the game always has an equilibrium. A game's payoff