List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5876
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "title": null,
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                "name": "Beginners 9x9",
                "summary": "",
                "require_invitation": false,
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            "time_start": "2020-06-06T07:00:00Z",
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 15,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-06-06T07:00:11.670149Z",
            "ended": "2020-07-05T18:59:08.067395Z",
            "start_waiting": "2020-06-06T07:00:07.040359Z",
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            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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        }
    ]
}