List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5696
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
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            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-10-01T01:01:14.537521Z",
            "ended": "2020-06-27T14:46:01.407240Z",
            "start_waiting": "2019-10-01T01:01:11.972358Z",
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}