List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5925
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
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                "hide_details": false,
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            "time_start": "2017-04-25T13:30:00Z",
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            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
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            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2017-04-25T15:05:19.557765Z",
            "ended": "2017-05-29T02:27:03.069958Z",
            "start_waiting": "2017-04-25T15:05:19.080382Z",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 6,
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}