List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4603
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
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            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2021-01-13T04:11:27.749767Z",
            "ended": "2021-01-25T01:51:16.860048Z",
            "start_waiting": "2021-01-13T04:11:27.436870Z",
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}