List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5080
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5079",
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            "description": "เริ่มทัวร์เวลา 20.20 น.",
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            "description": "Start your week off right with some rounds of go! Who needs coffee when you've got the goban to kick-start your brain?",
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