List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5918
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Halloween tournament #2! If you don’t celebrate Halloween in your country - it’s a holiday where we celebrate things that are scary and pass out candy. So let’s make this a scary tournament! 5 day time limit.  Slaughter pairing. No rank restrictions. No handicap. No analysis. Chinese scoring (not sure why that would be scary…). Like Trick or Treating in the US, this one is open to everyone! At Halloween you also give out candy. So just remember - don’t eat your go stones! They are not candy!",
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            "description": "Ey.\nEy?\nEY?\n\nI need ya to build my brains cos I suck at Go lol",
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