List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=analysis_enabled&page=5490
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "name": "Isnirekikari",
                "summary": "Hi, this is a group for players with 25kyu till 1kyu. Especially beginners are welcome! In this group everyone should be able to play, without having to pay attention on the rank difference problem.",
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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2018-04-02T20:00:04.403094Z",
            "ended": "2018-04-02T20:11:41.429873Z",
            "start_waiting": "2018-04-02T20:00:03.605575Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-15.png",
            "player_count": 4,
            "ranked": true
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}