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  2. Duplicate bridge movements - Wikipedia

    en.wikipedia.org/wiki/Duplicate_bridge_movements

    The following table shows a Relay and Bye Stand Mitchell for eight tables with Table 2 and Table 3 sharing one group of boards and the bye stand between Table 6 and Table 7 (which, with eight tables, are directly opposite Table 2 and Table 3, respectively, in the rotation).

  3. Duplicate bridge - Wikipedia

    en.wikipedia.org/wiki/Duplicate_bridge

    Duplicate bridge is a variation of contract bridge where the same set of bridge deals (i.e., the distribution of the 52 cards among the four hands) are played by different competitors, and scoring is based on relative performance. In this way, every hand, whether strong or weak, is played in competition with others playing identical cards, and ...

  4. Railway turntable - Wikipedia

    en.wikipedia.org/wiki/Railway_turntable

    The turntables had a positive locking mechanism to prevent undesired rotation and to align the bridge rails with the exit track. Rotation of the bridge could be accomplished manually (either by brute force or with a windlass system), popularly called an "Armstrong" turntable, [6] [7] by an external power source, or by the braking system of the ...

  5. Laws of Duplicate Bridge - Wikipedia

    en.wikipedia.org/wiki/Laws_of_Duplicate_Bridge

    In the latest edition, published in June 2017, the WBF acknowledged the historic cooperation of the Portland Club, the European Bridge League, and the American Contract Bridge League. The American Contract Bridge League (ACBL) Laws Commission updated its own version of the Laws in September 2017. [3]

  6. Traveling scoreslip - Wikipedia

    en.wikipedia.org/wiki/Traveling_scoreslip

    A traveling scoreslip (also called a traveler) is a form used for recording the results of each deal in a duplicate bridge tournament. [1] In these tournaments, the four hands of each deal are placed into a board so that the same deal can be played by different competitors. Each time the deal (or board) is played, the result is entered into the ...

  7. Bridge scoring - Wikipedia

    en.wikipedia.org/wiki/Bridge_scoring

    Originally named European Match Points (EMPs), [b] the scale provided for a maximum gain of 12 points as shown in the table below. A revised table was adopted for the 1948 European Championships in Copenhagen with a maximum of 15 points. North American players were first introduced to this scoring method at the 1951 Bermuda Bowl match in Naples ...

  8. Swing bridge - Wikipedia

    en.wikipedia.org/wiki/Swing_bridge

    A swing bridge (or swing span bridge) is a movable bridge that can be rotated horizontally around a vertical axis. It has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span (turning span) can then pivot horizontally as shown in the animated illustration to the right.

  9. International Match Points - Wikipedia

    en.wikipedia.org/wiki/International_Match_Points

    International match points (IMP) within the card game of contract bridge is a measurement for conversion of the absolute contract bridge scores. The total point difference between two scores is compared to a scale ranging from 1 to 24.