List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=rules&page=228
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=rules&page=227",
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            "description": "Ey.\nEy?\nEY?\n\nI need ya to build my brains cos I suck at Go lol",
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            "exclude_provisional": true,
            "group": {
                "id": 508,
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                "summary": "Tournaments for people who like to play quick correspondence games.",
                "require_invitation": false,
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                "hide_details": false,
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            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-04-18T20:59:56.833135Z",
            "ended": "2019-04-27T16:04:20.874280Z",
            "start_waiting": "2019-04-18T20:59:54.946509Z",
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            "ranked": true
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}