List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_per_move&page=4990
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "If your rank changes to be outside the tournament Rank Restriction, please move yourself to the appropriate tournament. Enjoy your games.",
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