Vancouver Lake Sailing Club
Team Racing Rotations
Matrix of races required for a round-robin series with two fleets of 3 boats each, 2 teams per race. Two rotations are preferred so each team sails each other team twice, once in each fleet of boats, to balance any disparity between the boats in the two fleets.
# ROTATIONS/TEAMS 3 TEAMS 4 TEAMS 5 TEAMS 6 TEAMS 7 TEAMS
1 ROTATION: total races(races per team) 3(2) 6(3) 10(4) 15(5) 21(6)
2 ROTATIONS: total races(races per team) 6(4) 12(6) 20(8) 30(10) 42(12)

Sample race rotations with two fleets of 3 boats each: blue fleet - red fleet.

For 5 or more teams, each rotation is configured to balance the number of races each team sails in each fleet of boats, with no team sailing back-to-back races in a single rotation.

For multiple rotations: switch blue and red columns and repeat the same rotation.
RACE 3 TEAMS 4 TEAMS 5 TEAMS 6 TEAMS 7 TEAMS
  * - * * - * * - * * - * * - *
1 A-B A-B A-B A-B A-B
2 B-C C-D C-D C-D C-D
3 C-A A-C E-A E-F E-F
4 B-D B-C C-A G-A
5 D-A D-E D-B B-C
6 C-B A-C C-F D-E
7 B-D A-D F-G
8 C-E B-E A-C
9 D-A F-D G-B
10 E-B B-C D-F
11 D-E E-A
12 A-F G-C
13 E-C F-B
14 F-B A-D
15 E-A C-E
16 D-G
17 B-E
18 F-A
19 E-G
20 B-D
21 C-F

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