List all tournaments or create a new tournament.

GET /api/v1/tournaments/?ordering=-max_ranking&page=5666
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "The first 2 Mid Kyu tournaments having finished,  I am starting a third",
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            "description": "This is fisher time control good luck. This will be recorded if you win 1st 2nd and 3rd. Enjoy",
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            "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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            "description": "Double elimination tournament in two parts! One for double digit kyu players and the other will be for single digit kyu and dan level players. Fight hard - two strikes and you're out!",
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            "description": "Let's Go! \n\n\nHave fun!",
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            "description": "First Simple Correspondence Tourney of the new year.\n\nGoodluck!",
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