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The Official Encyclopedia of Bridge indicates the best line of play in contract bridge for a single suit in isolation in which declarer and dummy lack the ten but possess the ace, king, queen and jack. The line of play varies depending on how many cards are held by the defence, and the required minimum number of tricks. The probability of success is also shown.
Contract bridge, or simply bridge, is a trick-taking card game using a standard 52-card deck. In its basic format, it is played by four players in two competing partnerships, with partners sitting opposite each other around a table. Millions of people play bridge worldwide in clubs, tournaments, online and with friends at home, making it one of the world's most popular card games, particularly among seniors. The World Bridge Federation (WBF) is the governing body for international competitive bridge, with numerous other bodies governing bridge at the regional level.
A trick-taking game is a card or tile-based game in which play of a hand centers on a series of finite rounds or units of play, called tricks, which are each evaluated to determine a winner or taker of that trick. The object of such games then may be closely tied to the number of tricks taken, as in plain-trick games such as Whist, Contract bridge, Spades, Napoleon, Euchre, Rowboat, Clubs and Spoil Five, or to the value of the cards contained in taken tricks, as in point-trick games such as Pinochle, the Tarot family, Mariage, Rook, All Fours, Manille, Briscola, and most evasion games like Hearts. The domino game Texas 42 is an example of a trick-taking game that is not a card game. Trick-and-draw games are trick-taking games in which the players can fill up their hands after each trick. In most variants, players are free to play any card into a trick in the first phase of the game, but must follow suit as soon as the stock is depleted. Trick-avoidance games like Reversis or Polignac are those in which the aim is to is avoid taking some or all tricks.
The combinations considered by the Official Encyclopedia of Bridge (6th edition) are :
- Declarer and dummy hold six cards combined, 5 tricks required:
- x - AKQJ9
- Declarer and dummy hold seven cards combined, 6 tricks required:
- x - AKQJ9x
- Declarer and dummy hold seven cards combined, 5 tricks required:
- x - AKQJ9x
- xx - AKQJ9
- Jx - AKQ9x
- xx - AKQJ8
- Jx - AKQ8x
- Declarer and dummy hold eight cards combined, 5 tricks required:
- Jxx - AKQ8x
The recommended line of play is generally to play off the top honors in hope of dropping the 10. [1]
