List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_start&page=2410
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=2409",
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            "id": 90133,
            "name": "Double elimination #001",
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                "username": "TimSeok",
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                "ui_class": ""
            },
            "description": "Please, avoid delaying your games using the vacation feature.\nUse the conditionnal move feature to speed up the game.",
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            "title": null,
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                "id": 508,
                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
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                "is_public": true,
                "admin_only_tournaments": false,
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                "member_count": 823,
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            "started": "2022-05-19T19:33:00.570686Z",
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        {
            "id": 90291,
            "name": "3 -> 羅正韜5 -> 區思源",
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                "username": "傳碁學園",
                "country": "un",
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            },
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            "title": null,
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                "username": "傳碁學園",
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        {
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                "username": "傳碁學園",
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                "username": "ไอ้ต้าวแมวน้อยย",
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                "name": "Class Mr.Boss",
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