List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=4801
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "group": {
                "id": 13655,
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                "summary": "Organising arena-type handicap correspondence tournaments.",
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            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2025-07-26T05:32:06.428000Z",
            "ended": "2026-01-15T00:55:25.443504Z",
            "start_waiting": "2025-07-26T05:32:06.303623Z",
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}