List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5823
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Hi all! Another tournament with new settings. Good luck!",
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                "name": "OGS Mini Tournaments",
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            "min_ranking": 15,
            "max_ranking": 18,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-04-03T17:32:29Z",
            "ended": "2009-04-03T15:32:29Z",
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}