List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5493
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "subsequent_pairing_method": "strength",
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            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2026-01-15T13:38:20.584370Z",
            "ended": null,
            "start_waiting": "2026-01-15T13:38:19.537954Z",
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}