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  2. Elo rating system - Wikipedia

    en.wikipedia.org/wiki/Elo_rating_system

    The Elo [a] rating system is a method for calculating the relative skill levels of players in zero-sum games such as chess or esports. It is named after its creator Arpad Elo, a Hungarian-American physics professor.

  3. Efficiency (basketball) - Wikipedia

    en.wikipedia.org/wiki/Efficiency_(basketball)

    In professional basketball, the most commonly used statistical benchmark for comparing the overall value of players is called efficiency.It is a composite basketball statistic that is derived from basic individual statistics: points, rebounds, assists, steals, blocks, turnovers, and shot attempts.

  4. Player efficiency rating - Wikipedia

    en.wikipedia.org/wiki/Player_efficiency_rating

    PER largely measures offensive performance. Hollinger freely admits that two of the defensive statistics it incorporates—blocks and steals (which was not tracked as an official stat until 1973)—can produce a distorted picture of a player's value and that PER is not a reliable measure of a player's defensive acumen.

  5. Attribute (role-playing games) - Wikipedia

    en.wikipedia.org/wiki/Attribute_(role-playing_games)

    While a character rarely rolls a check using just an ability score, these scores, and the modifiers they create, affect nearly every aspect of a character's skills and abilities." [2] In some games, such as older versions of Dungeons & Dragons the attribute is used on its own to determine outcomes, whereas in many games, beginning with Bunnies ...

  6. Chess rating system - Wikipedia

    en.wikipedia.org/wiki/Chess_rating_system

    A chess rating system is a system used in chess to estimate the strength of a player, based on their performance versus other players. They are used by organizations such as FIDE, the US Chess Federation (USCF or US Chess), International Correspondence Chess Federation, and the English Chess Federation.

  7. Secondary average - Wikipedia

    en.wikipedia.org/wiki/Secondary_average

    Secondary average, or SecA, is a baseball statistic that measures the sum of extra bases gained on hits, walks, and stolen bases (less times caught stealing) depicted per at bat. [1]

  8. Performance Index Rating - Wikipedia

    en.wikipedia.org/wiki/Performance_Index_Rating

    Performance Index Rating was created in 1991, by the Spanish ACB League, which started using it to determine the league's MVP of the Week and regular season MVP awards. In 2004, the ACB League changed the criteria by which it chooses the regular season MVP award, but it continues to use PIR to determine the MVP of each week of the season.

  9. Critical hit - Wikipedia

    en.wikipedia.org/wiki/Critical_hit

    In many role-playing games and video games, a critical hit (or crit) is a chance that a successful attack will deal more damage than a normal blow.. The concept of critical hits originates from wargames and role-playing games, as a way to simulate luck, and crossed over into video games in the 1986 JRPG Dragon Quest, [1] set at a fixed rate of 1/64 (~1.56%). [2]