List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=3974
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "We ask for your active participation, Masters. Playing baduk with me may be boring and not fun, but if you love baduk, you will be happy just by playing baduk.",
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