List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=time_per_move&page=4453
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "A little tournament, since there aren't any active. I highly urge you to analyse the games together :) Good luck!",
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