GET /api/v1/tournaments/?format=api&ordering=board_size&page=611
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "stones_per_period": 3
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            "exclude_provisional": true,
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                "summary": "Middle speed matches, not so hurry, not so slow.",
                "require_invitation": false,
                "is_public": true,
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}