List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=184
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Hi all! New tournament, starts at 1 of November. Godd luck!",
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        {
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        {
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            "description": "You need to make 2 moves a day (please don't use holidays to postpone a game!)",
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