List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=players_start&page=5449
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "This one is even faster.",
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                "name": "Battlefield",
                "summary": "Lots of tournaments.",
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            "name": "OTL 2016 December Solstice Tornament",
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            "description": "Season's greetings, and if you're not on a vacation, what better way to spend your Winter/Summer months than in a Go tournament?\n\nThis is a friendly tournament open to all. Have fun, and invite your friends.",
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            "description": "Unleash your potential. You might be surprised.",
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            "description": "welcome. It is a great honor for me just to participate.\nI look forward to some good teachings. Then fighting!!Everyone top ranker, just me 17kyu",
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