List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5868
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 266,
                "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"
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            "auto_start_on_max": false,
            "time_start": "2016-05-21T18:30:00Z",
            "players_start": 4,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 0,
            "max_ranking": 12,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-07-13T05:46:27.936466Z",
            "ended": "2016-07-13T05:59:48.793020Z",
            "start_waiting": "2016-07-13T05:46:27.843120Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png",
            "player_count": 4,
            "ranked": true
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}