List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=266
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Enjoy :)\nJoin the group (AI study) to discuss all things go AI\nhttps://online-go.com/group/11990",
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        {
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