List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=77
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "Ponto de encontro dos jogadores brasileiros",
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            "description": "NOVEMBER!!!!\n\nNo conditional moves",
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            "description": "Have fun.",
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                "name": "Go Basics",
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                "summary": "A group for Go players who love the 9x9 board.",
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