List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-time_per_move&page=40
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-time_per_move&page=39",
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            "description": "We are cool!",
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                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
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}