List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=rules&page=150
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "name": "New Zealand Tournaments",
                "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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            "subsequent_pairing_method": "strength",
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            "max_ranking": 12,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-03-17T20:46:26.055242Z",
            "ended": "2019-05-21T16:08:26.701945Z",
            "start_waiting": "2019-03-17T20:46:24.701251Z",
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}