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{{Unreferenced stub|auto=yes|date=December 2009}}
The '''Serpentine system''' is a method employed in the organization of a competition to define the seeded teams and arrange them in pools. The ''n'' ranked teams that will be involved in the tournament are distributed in ''m'' pools according to the following algorithm:
The '''serpentine system''' (also called snake seeding) is a method employed in the organization of a [[competition]] to define the [[Single-elimination tournament#Seeding|seeded]] teams and arrange them in pools. The ''n'' ranked teams that will be involved in the [[tournament]] are distributed in ''m'' pools according to the following [[algorithm]]:


{| class="wikitable"
{| border="1" cellpadding="2" cellspacing="0" style="{ font-size:smaller; }"
|-
|- bgcolor="#efefef"
!Pool 1!!Pool 2!!...!!Pool m-1!!Pool m
!Pool 1!!Pool 2!! . . . !!Pool ''m'' − 1!!Pool ''m''
|- align="center"
|- align="center"
|1||2||...||m-1||m
|1||2|| . . . ||''m'' − 1||''m''
|- align="center"
|- align="center"
|2m||2m-1||...||m+2||m+1
|2''m''||2''m'' − 1|| . . . ||''m'' + 2||''m'' + 1
|- align="center"
|- align="center"
|2m+1||2m+2||...||3m-1||3m
|2''m'' + 1||2''m'' + 2|| . . . ||3''m'' − 1||3''m''
|- align="center"
|- align="center"
|...|| || || || 
|...|| || || || 
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For instance, 12 teams would be organized in four-team pools, according to the serpentine system, as follows:
For instance, 12 teams would be organized in four-team pools, according to the serpentine system, as follows:


{| class="wikitable"
{| border="1" cellpadding="2" cellspacing="0" style="font-size:smaller"
|-
|- bgcolor="#efefef"
!Pool 1!!Pool 2!!Pool 3
!Pool 1!!Pool 2!!Pool 3
|- align="center"
|- align="center"
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|}
|}


To improve competitivity, this method is sometimes used in conjunction with the drawing of lots method: the serpetine system is used only for some of the teams involved in a competition ("seeds"); the rest is distributed in pools following a drawing of lots.
To improve competitivity, this method is sometimes used in conjunction with the [[Drawing straws|drawing of lots]] method: the serpentine system is used only for some of the teams involved in a competition ("seeds"); the rest are distributed in pools following a drawing of lots.

{{DEFAULTSORT:Serpentine System}}
[[Category:Sports terminology]]
[[Category:Tournament systems]]


{{Sport-stub}}

Latest revision as of 19:21, 30 August 2024

The serpentine system (also called snake seeding) is a method employed in the organization of a competition to define the seeded teams and arrange them in pools. The n ranked teams that will be involved in the tournament are distributed in m pools according to the following algorithm:

Pool 1 Pool 2 . . . Pool m − 1 Pool m
1 2 . . . m − 1 m
2m 2m − 1 . . . m + 2 m + 1
2m + 1 2m + 2 . . . 3m − 1 3m
...        

For instance, 12 teams would be organized in four-team pools, according to the serpentine system, as follows:

Pool 1 Pool 2 Pool 3
1 2 3
6 5 4
7 8 9
12 11 10

To improve competitivity, this method is sometimes used in conjunction with the drawing of lots method: the serpentine system is used only for some of the teams involved in a competition ("seeds"); the rest are distributed in pools following a drawing of lots.