List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1556
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Please only sign up if you are definitely going to be able to play on the day. If you are not able to play please just withdraw from the Tournament before it starts to avoid inconveniencing other players.",
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            "is_open": true,
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            "group": {
                "id": 8463,
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                "summary": "A group for friendly friends to enjoy regular casual tournaments. Handicaps for weaker players. Correspondence and live tournaments. Learn and grow stronger together! ♥",
                "require_invitation": false,
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            "first_pairing_method": "random",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
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            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-06-13T09:10:08.662885Z",
            "ended": "2021-06-13T11:18:55.114326Z",
            "start_waiting": "2021-06-13T09:10:08.353701Z",
            "board_size": 19,
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            "icon": "https://user-uploads.online-go.com/8cbb7654b3ba711461de7545d0d09595-15.png",
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    ]
}