List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=485
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Удачи вам.",
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            "exclude_provisional": true,
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            "subsequent_pairing_method": "slaughter",
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            "max_ranking": 25,
            "analysis_enabled": true,
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            "started": "2023-08-20T09:30:44.565614Z",
            "ended": "2023-10-09T15:10:04.264794Z",
            "start_waiting": "2023-08-20T09:30:44.445407Z",
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            "player_count": 5,
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    ]
}