List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5767
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Are you confident you can play at least 10 moves per day ?\nI hope this correspondence tournament is \"fast enough\" for you ^^ Enjoy!",
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