List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=70
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "gilback's mini-tournament",
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        {
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            "description": "This is the set-up for tomorrow's tournament, I hope that the time constraints work to give us some exciting games.",
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