List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5296
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            },
            "is_open": true,
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                "id": 8562,
                "name": "World Wide Go Association (WWGA)",
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                "require_invitation": false,
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}