List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=126
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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        },
        {
            "id": 76465,
            "name": "中級リーグ(9級~6級)",
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                "id": 776731,
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                "id": 7692,
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}