List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5917
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": null,
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-rules&page=5916",
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            "name": "Christmas/New Years Tournament",
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            "description": "This will probably start around New years day. Start with 3 days and increment by 1 day per move. max time 2 weeks. 19x19",
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            "started": "2014-01-01T00:00:15.004730Z",
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            "description": "Monthly winners will be invited to yearly championship game.",
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            "group": {
                "id": 306,
                "name": "Michigan Go Players",
                "summary": "For Players from all over Michigan",
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}