Christie's Impressionist and Modern Art Department Nicholas Maclean, who suggested "scissors" because "Everybody expects you to choose 'rock'." Sotheby's said that they treated it as a game of chance and had no particular strategy for the game, but went with "paper". Christie's won the match and sold the $20 million collection, earning millions of dollars of commission for the auction house. FA Women's Super League match Prior to a 26 October 2018 match in the FA Women's Super League, the referee, upon being without a coin for the pregame coin toss, had the team captains play rock paper scissors to determine which team would kick-off. The referee was subsequently suspended for three weeks by The Football Association. Play by chimpanzees In Japan, researchers have taught chimpanzees to identify winning hands according to the rules of rock paper scissors. Game design In many games, it is common for a group of possible choices to interact in a rock paper scissors style, where each selection is strong against a particular choice, but weak against another. Such mechanics can make a game somewhat self-balancing, prevent gameplay from being overwhelmed by a single dominant strategy and single dominant type of unit. Many card-based video games in Japan use the rock paper scissors system as their core fighting system, with the winner of each round being able to carry out their designated attack. In Alex Kidd in Miracle World, the player has to win games of rock paper scissors against each boss to proceed. Others use simple variants of rock paper scissors as subgames. Many Nintendo role-playing games prominently feature a rock paper scissors gameplay element. In Pokémon, there is a rock paper scissors element in the type effectiveness system. For example, a Grass-typed Pokémon is weak to Fire, Fire is weak to Water, and Water is weak to Grass. In the 3DS remake of Mario & Luigi: Superstar Saga and Mario & Luigi: Bowser's Inside Story, the battles in the second mode use a “Power Triangle” system based on the game's three attack types: Melee, Ranged, and Flying. In the Fire Emblem series of strategy role-playing games, the Weapon Triangle and Trinity of Magic influence the hit and damage rates of weapon types based on whether they are at an advantage or a disadvantage in their respective rock paper scissors system. In the Super Smash Bros. series, the three basic actions used during battles