Round Robin Tournament Scheduling

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Title: Doubles 24 players 12 Men 12 Ladies 3 mixed rounds 2 gender specific 6 courts
Post by: Chris on May 03, 2019, 06:18:49 AM

Doubles tennis competition three mixed rounds Male Female V Male Female and two gender specific rounds  Male Male V Male Male Female Female v Female Female everyone enters individually.

I have been brought on to my Tennis Clubs committee to generate ideas for new ways to play tennis make it more sociable and get more adults playing. To this end I have organised a doubles tennis competition everyone enters individually and is paired randomly changing partners after a set of 8 games.  Heats and final are over five rounds of 8 games using 6 courts there are to be three mixed rounds and two gender specific rounds. There are 24 players 12 ladies 12 gentleman in each event. Ideally I want no one  person to play with the same partner more than once and you only play against the same person a maximum of two or may be three times.  Is this possible? I have looked at all the various tournament schedules and can’t find anything that keeps the pairings as I need it they just mix up randomly which would mean 2 ladies against 2 gentleman or 1 lady 1 gent against 2 ladies or 2 gents etc which would make it unfair.  I hope some clever guy can tell me how many possible combinations there are so I can organise the playing schedule accordingly or if anyone knows of a schedule already out there a link would be great. Thanks.

Title: Re: Doubles 24 players 12 Men 12 Ladies 3 mixed rounds 2 gender specific 6 courts
Post by: Ian Wakeling on May 04, 2019, 03:50:11 AM

Chris,

There are some mixed doubles schedules on here that might be interesting to you.  There are two here (https://www.devenezia.com/round-robin/forum/index.php?topic=1229.msg3299#msg3299) and some other spouse avoiding ones here (https://www.devenezia.com/round-robin/forum/?topic=769).  If you try the search facility you might find a few more.

For the competition you have described, it is possible to arrange 5 rounds such that each player has 5 different partners and 10 different opponents.  There will be some overlap, so there are 10 pairs of players who play together once as partners and once as opponets (e.g. M8 & M11)


 (M02 F11 v M08 F09) (M03 F08 v M06 F04) (M04 F02 v M05 F12) (M09 F03 v M12 F10) (M10 F05 v M11 F06) (M01 F01 v M07 F07)
 (M01 F08 v M11 F09) (M03 F04 v M10 F11) (M04 F01 v M12 F05) (M05 F07 v M09 F10) (M07 F03 v M08 F12) (M02 F02 v M06 F06)
 (M01 F06 v M08 F04) (M02 F10 v M04 F11) (M06 F09 v M11 F07) (M07 F02 v M12 F08) (M09 F01 v M10 F12) (M03 F03 v M05 F05)
 (M02 M03 v M07 M09) (M01 M04 v M06 M10) (M05 M08 v M11 M12) (F01 F03 v F06 F09) (F02 F04 v F05 F10) (F07 F08 v F11 F12)
 (M05 M06 v M07 M10) (M04 M09 v M08 M11) (M01 M02 v M03 M12) (F01 F06 v F08 F10) (F02 F03 v F07 F11) (F04 F05 v F09 F12)


Will that work?