List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=1981
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "19x19 Traditional monthly tournament XI/22",
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            "description": "☸️ Have ZEN!🧘",
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            "description": "Evento da Rede Municipal de Ensino.",
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