List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=name&page=5015
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
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            "subsequent_pairing_method": "slaughter",
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            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-08-19T04:52:24.876474Z",
            "ended": "2021-04-12T21:09:20.567213Z",
            "start_waiting": "2020-08-19T04:52:24.118262Z",
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}