List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclusivity&page=241
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "time_start": "2025-02-27T16:30:00Z",
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            "first_pairing_method": "random",
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            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2025-02-27T16:30:50.873544Z",
            "ended": "2025-02-27T16:47:28.558580Z",
            "start_waiting": "2025-02-27T16:30:50.821506Z",
            "board_size": 13,
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    ]
}