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  2. Contract bridge probabilities - Wikipedia

    en.wikipedia.org/wiki/Contract_bridge_probabilities

    This table [1] represents the different ways that two to eight particular cards may be distributed, or may lie or split, between two unknown 13-card hands (before the bidding and play, or a priori). The table also shows the number of combinations of particular cards that match any numerical split and the probabilities for each combination.

  3. Suit combination - Wikipedia

    en.wikipedia.org/wiki/Suit_combination

    In the card game contract bridge, a suit combination is a specific subset of the cards of one suit held respectively in declarer's and dummy's hands at the onset of play. While the ranks of the remaining cards held by the defenders can be deduced precisely, their location is unknown. [ 1 ]

  4. List of play techniques (bridge) - Wikipedia

    en.wikipedia.org/wiki/List_of_play_techniques...

    card reading, also known as counting the hand; dummy reversal; endplay; coups; squeezes; suit combinations play; safety play; applying the principle of restricted choice; applying the theory of vacant places; applying percentages and probabilities

  5. Vacant Places - Wikipedia

    en.wikipedia.org/wiki/Vacant_Places

    In the card game bridge, the law or principle of vacant places is a simple method for estimating the probable location of any particular card in the two unseen hands. It can be used both to aid in a decision at the table and to derive the entire suit division probability table.

  6. Balanced hand - Wikipedia

    en.wikipedia.org/wiki/Balanced_hand

    A balanced hand or balanced distribution in card games is a hand with an even distribution of suits. In the game of contract bridge, it denotes a hand of thirteen cards which contains no singleton or void and at most one doubleton. Three hand patterns are classified as truly balanced: 4-3-3-3, 4-4-3-2 and 5-3-3-2.

  7. Card reading (bridge) - Wikipedia

    en.wikipedia.org/wiki/Card_reading_(Bridge)

    Card counting in bridge is considered a very difficult practice to learn, with speedier progress possible through concentration upon one or two suits for every deal played, regardless of the potential influence of the respective hand; through this process, the brain becomes adept at remembering cards.

  8. Major suit - Wikipedia

    en.wikipedia.org/wiki/Major_suit

    In the card game contract bridge, the major suits are spades (♠) and hearts (♥). [1] The major suits are of prime importance for tactics and scoring as they outrank the minor suits while bidding and also outscore them (30 per contracted trick for major suits—compared to 20 for minor suits). Much of the tactics of bidding in bridge ...

  9. Bidding system - Wikipedia

    en.wikipedia.org/wiki/Bidding_system

    A bid of 1 ♥ or 1 ♠ shows at least 4 or 5 cards in the major suit, and 1 ♣ or 1 ♦ shows at least 3 or 4 cards in the minor suit. The complete hand usually contains about (11)12-20(22) high card points. As between two major suits or between two minor suits, the bidder opens in the longer suit; with equal lengths, the higher ranking suit ...