List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5655
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "analysis_enabled": false,
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            "started": "2010-01-29T21:34:41Z",
            "ended": "2010-01-29T20:34:41Z",
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}