List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5846
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "id": 74544,
            "name": "Hello",
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            "description": "Ai play go turnament",
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                "name": "Happy Go!!!",
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        {
            "id": 138295,
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