List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5817
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "I like this. I think McMahon will finish quickly even if there are a lot of rounds. Of course, it will take several months... but let's be patient and give it a try. For your advancement and growth",
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