List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-name&page=903
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "hide_details": false,
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            "time_start": "2021-08-31T16:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-08-31T16:00:27.437120Z",
            "ended": "2022-01-08T15:55:42.743636Z",
            "start_waiting": "2021-08-31T16:00:26.042362Z",
            "board_size": 19,
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 10,
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    ]
}