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  2. Nim - Wikipedia

    en.wikipedia.org/wiki/Nim

    None. Nim is a mathematical game of strategy in which two players take turns removing (or "nimming") objects from distinct heaps or piles. On each turn, a player must remove at least one object, and may remove any number of objects provided they all come from the same heap or pile. Depending on the version being played, the goal of the game is ...

  3. Magic number (sports) - Wikipedia

    en.wikipedia.org/wiki/Magic_number_(sports)

    GR A is the number of games remaining for Team A in the season; L B is the number of losses that Team B has in the season; This third formula basically says: Assume Team A loses every remaining game. Calculate how many games team B needs to lose to surpass team A's maximum total by 1. Using the example above and with the same 162-game season ...

  4. Pythagorean expectation - Wikipedia

    en.wikipedia.org/wiki/Pythagorean_expectation

    Pythagorean expectation. Pythagorean expectation is a sports analytics formula devised by Bill James to estimate the percentage of games a baseball team "should" have won based on the number of runs they scored and allowed. Comparing a team's actual and Pythagorean winning percentage can be used to make predictions and evaluate which teams are ...

  5. Games behind - Wikipedia

    en.wikipedia.org/wiki/Games_behind

    The calculation for this is simple subtraction. For example, a team at 29–19 is "10 games over five hundred", [26] as they could lose their next 10 games and still have a .500 record, while a team at 12–17 would be "five games under five hundred", [27] as the quickest they could reach .500 would be by winning their next five games. "Above ...

  6. Wins Above Replacement - Wikipedia

    en.wikipedia.org/wiki/Wins_Above_Replacement

    Wins Above Replacement or Wins Above Replacement Player, commonly abbreviated to WAR or WARP, is a non-standardized sabermetric baseball statistic developed to sum up "a player's total contributions to his team". [ 1 ] A player's WAR value is claimed to be the number of additional wins his team has achieved above the number of expected team ...

  7. Shapley value - Wikipedia

    en.wikipedia.org/wiki/Shapley_value

    The Shapley value is a solution concept in cooperative game theory. It was named in honor of Lloyd Shapley, who introduced it in 1951 and won the Nobel Memorial Prize in Economic Sciences for it in 2012. [1] [2] To each cooperative game it assigns a unique distribution (among the players) of a total surplus generated by the coalition of all ...

  8. Go and mathematics - Wikipedia

    en.wikipedia.org/wiki/Go_and_mathematics

    Go. The game of Go is one of the most popular games in the world. As a result of its elegant and simple rules, the game has long been an inspiration for mathematical research. Shen Kuo, an 11th century Chinese scholar, estimated in his Dream Pool Essays that the number of possible board positions is around 10 172.

  9. Lottery mathematics - Wikipedia

    en.wikipedia.org/wiki/Lottery_mathematics

    In a typical 6/49 game, each player chooses six distinct numbers from a range of 1–49. If the six numbers on a ticket match the numbers drawn by the lottery, the ticket holder is a jackpot winner— regardless of the order of the numbers. The probability of this happening is 1 in 13,983,816. The chance of winning can be demonstrated as ...