List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=players_start&page=4486
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "exclude_provisional": true,
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            "subsequent_pairing_method": "slaughter",
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            "analysis_enabled": true,
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            "started": "2026-01-13T13:19:57.758207Z",
            "ended": "2026-03-10T06:18:35.861746Z",
            "start_waiting": "2026-01-13T13:19:57.404712Z",
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    ]
}