List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-exclude_provisional&page=5522
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "<h2>Rules</h2>\n\n<ul>\n\n\n<li>Time-out twice in a tournament, Pausing or Vacation setting is looked on as resigning all the rest games, resulting in \"Lost by Disqualified\".</li>\n\n</ul>",
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