List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclude_provisional&page=689
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            },
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                "is_public": true,
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                "hide_details": false,
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            "subsequent_pairing_method": "random",
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}