List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-exclude_provisional&page=5123
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
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            "ended": "2023-10-08T14:27:20.641805Z",
            "start_waiting": "2023-10-08T09:00:34.099341Z",
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}