List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=286
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "The tournament in honor of the fact that the number of players in the Game Of Stones group has reached 100 participants. The winners will be immortalized on the wall of glory.",
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            "description": "Celebrating the comeback to this group activities, we welcome the 1st Yeonwoo-Pro Open.\n\nPlease join and enjoy :D",
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            "description": "Рубимся 13х13",
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