List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-time_per_move&page=5903
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "The 9x9 Beginners Live Tournament \"Titans\" is back! Players between 18-25 kyu can participate in a single elimination tournament!",
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