List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=1221
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "id": 196,
                "name": "FUN GO FUN",
                "summary": "Welcome to FUN GO FUN.",
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                "is_public": true,
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                "hide_details": true,
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            "first_pairing_method": "slide",
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            "analysis_enabled": true,
            "exclusivity": "open",
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            "ended": "2021-02-15T20:27:21.228056Z",
            "start_waiting": "2020-02-15T10:00:02.340949Z",
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            "player_count": 57,
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    ]
}