List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=966
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                "name": "World battles",
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            "description": "How about a double elimination tournament in honor of the Spring Equinox? Darkness and light may be balanced that day, but not so the territories of white and black! Good game everyone!",
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                "name": "Global Go Club",
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            "description": "Bot tournament to compare TB settings.",
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