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  2. Spider (solitaire) - Wikipedia

    en.wikipedia.org/wiki/Spider_(solitaire)

    Initially, 54 cards are dealt to the tableau in ten piles, face down except for the top cards. The tableau piles build down by rank, and in-suit sequences can be moved together. The 50 remaining cards can be dealt to the tableau ten at a time when none of the piles are empty. A typical Spider layout requires the use of two decks.

  3. Calculation (card game) - Wikipedia

    en.wikipedia.org/wiki/Calculation_(card_game)

    The tableau, initially empty, consists of four piles of cards, usually arranged immediately below the four foundations. Play in Calculation is simple. A single card is turned up from the stock and played either to the top of any of the four tableau piles, or onto one of the foundations if desired. The top card of any tableau pile may also be ...

  4. Rank error-correcting code - Wikipedia

    en.wikipedia.org/wiki/Rank_error-correcting_code

    A rank code is an algebraic linear code over the finite field () similar to Reed–Solomon code. The rank of the vector over G F ( q N ) {\displaystyle GF(q^{N})} is the maximum number of linearly independent components over G F ( q ) {\displaystyle GF(q)} .

  5. Rank abundance curve - Wikipedia

    en.wikipedia.org/wiki/Rank_abundance_curve

    Quantitative comparison of rank abundance curves of different communities can be done using RADanalysis package in R.This package uses the max rank normalization method [1] in which a rank abundance distribution is made by normalization of rank abundance curves of communities to the same number of ranks and then normalize the relative abundances to one.

  6. Chess rating system - Wikipedia

    en.wikipedia.org/wiki/Chess_rating_system

    When players compete in a tournament, the average rating of their competition is calculated. If a player scores 50%, they receive the average competition rating as their performance rating. If they score more than 50%, their new rating is the competition average plus 10 points per percentage point exceeding 50.

  7. Tensor (intrinsic definition) - Wikipedia

    en.wikipedia.org/wiki/Tensor_(intrinsic_definition)

    The rank of an order 3 or higher tensor is however often very difficult to determine, and low rank decompositions of tensors are sometimes of great practical interest. [4] In fact, the problem of finding the rank of an order 3 tensor over any finite field is NP-Complete , and over the rationals, is NP-Hard . [ 5 ]

  8. WTA rankings - Wikipedia

    en.wikipedia.org/wiki/WTA_rankings

    Points are awarded based on how far a player advances in a tournament. The basis for calculating a player's ranking are those tournaments that yield the highest ranking points during the rolling 52-week period. For singles, the period must include: [3] the four Grand Slams; six WTA 1000 Mandatory combined/virtually combined tournaments

  9. Elo rating system - Wikipedia

    en.wikipedia.org/wiki/Elo_rating_system

    An Elo-based ranking of National Hockey League players has been developed. [61] The hockey-Elo metric evaluates a player's overall two-way play: scoring AND defense in both even strength and power-play/penalty-kill situations. Rugbyleagueratings.com uses the Elo rating system to rank international and club rugby league teams.