List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=time_start&page=5941
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=time_start&page=5940",
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            "started": "2012-10-25T09:23:51Z",
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        {
            "id": 1947,
            "name": "Mid level tournament",
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                "id": 43473,
                "username": "emei",
                "country": "fr",
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            "started": "2013-02-01T23:07:32Z",
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        {
            "id": 3163,
            "name": "FSTS Yellow Dragon Title Tournament",
            "director": {
                "id": 92537,
                "username": "YoDeath",
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                "name": "Four Seasons Tournament Series",
                "summary": "Серия турниров \"Четыре Сезона\"",
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            "started": "2014-09-18T12:02:34.927219Z",
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