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Double Pivot for 19 and 20 tables?

In the New Year, I'm TDing a double pivot mixed pairs event. The format is going to be:

Play 4 rounds
Pivot
Play 2 Rounds
Tea
Play 2 Rounds
Pivot
Play 4 Rounds
Prizes!

I have movements created (I believe) on the County computer for up to 18 tables, but I just want some insurance in case I have to cover 19 or 20 tables - the main TD is recovering from surgery and neither of us can access the hardware. (I can sort of fiddle it for 20 tables by running 2 X 10 table sections and for 19 by running a 7 table and 12 table (omit one board for 8 rounds) section, but that is not absolutely fair). So has anyone suitable movements for 12 X 3-board matches under the above restrictions? (i will have to use manual scoring I suspect).

Comments

  • Use the Bavin Movements suitable for 13+ teams?

    1. Thirteen or more tables

    Four rounds of 2 boards are played with each partner. The movement gets fairly complicated later on, so the T.D. will need to take great care.

    Round 1 : E/W move up 3 tables

    Round 2 : E/W down 2, boards down 1
    Round 3 : E/W down 2, boards down 1
    Round 4 : E/W down 2, boards down 1

    At the end of Round 4, E/W return to home table: score and change partners.

    Round 5 : The tournament director collects up the boards and puts them
    out in sequence again with set 7 (boards 13 14) on table 1.
    Thus, boards 15 16 go on table 2, 17 18 on table 3 etc.
    E/W move up 4 tables from their team table.

    Round 6 : E/W down 2, boards down 1

    Round 7 : E/W down 4, boards down 2 (i.e. E/W take the boards just played to their team mates.
    Round 8 : E/W down 2, boards down 1

    At end of Round 8, E/W return to home table: score and change partners.

    Round 9 : E/W move down 6 tables from their team table: N/S pass the boards down 1 table.

    Round 10: E/W move up 1 table. Meanwhile the T.D. must collect In the boards and redistribute them in sequence with set 5 (boards g10) on table 1, set 6 (boards 11 12) on table 2 etc.

    Round 11: E/W move up 11 tables from where they have just played! (Remember move down n 11 is the same thing). N/S pass the boards down 1 table.

    Round 12: E/W move down 1 table. Meanwhile, the T.D. must collect in all the boards (for the last time! and redistribute them in sequence with the highest numbered boards on table 1. Thus, boards 1 2 go on table 2: boards 3 4 on table 3 etc.

    As with all teams movements, it is beneficial to chart the progress of team 1 as a 'check'. For example, with 14 teams the progress of N/S 1 is as

    follows: R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12
    versus 12 14 2 4 11 13 3 5 7 6 9 10
    board set 1 2 3 4 7 8 10 11 12 5 6 14
    and E/W move:
    R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12
    versus 4 2 14 12 5 3 13 11 9 10 7 6
    board set 4 3 2 1 11 10 8 7 6 14 12 5

    Thus, within each 4-round stanza E/W have met boards and opponents in precisely the opposite order to their N/S team-mates, which in the desired .effect. The final stanza is a little irregular, as I have switched over rounds 11 & 12 in order to make the movement a little simpler for the players.

    This sort of chart is invaluable to the T.D. 'on site', as it acts as a final check that the movement is going according to plan i.e. that boards and pairs are in the right place at the right time.

  • This is close to what I have for the other movements - If we are consistent then we would have.

    Sets 1:9: tables 1-9
    Sets 1-9: tables 10 -18
    Set 10 : table 19

    And after half-way (round 6)

    Sets 11:19: tables 1-9
    Sets 11-19: tables 10-18
    Set 20: table 19

    And we would have rounds 5-6 playing two teams \/ rounds 7-8 playing two teams. (instead of rounds 5-8 playing 4 teams)

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