List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5733
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "handicap": 0,
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            "exclude_provisional": true,
            "group": {
                "id": 508,
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                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
                "is_public": true,
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                "hide_details": false,
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            "time_start": "2019-02-23T12:01:00Z",
            "players_start": 10,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-02-23T05:23:25.487778Z",
            "ended": "2019-03-09T17:38:04.409121Z",
            "start_waiting": "2019-02-23T05:23:21.278938Z",
            "board_size": 9,
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            "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
            "player_count": 10,
            "ranked": true
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    ]
}