List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=4718
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Open small tournament for everyone.😉",
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            "description": "Similar to the automatic site-wide version except:\n\n-Just six players, five games, STARTS WHEN FULL.\n\n-Larger registration window.\n\n-Chinese rules for simplicity and the clock does NOT pause on the weekend.\n\n-If this suits you then; Bonne Partie. :)",
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                "name": "The Nines 9x9 ",
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            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
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            "name": "(McMahon Pairing)麥克馬克洪賽制Test 3",
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            "description": "Test 3, 請大家見諒  有興趣的人可以參加看看",
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