List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=board_size&page=5331
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "ui_class": ""
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            "title": null,
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                "id": 4649,
                "name": "dragons",
                "summary": "",
                "require_invitation": false,
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                "hide_details": false,
                "member_count": 5,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "time_start": "2020-04-30T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-04-26T13:01:27.663530Z",
            "ended": "2020-08-29T21:39:08.727053Z",
            "start_waiting": "2020-04-26T13:01:27.185956Z",
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    ]
}