List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=analysis_enabled&page=4091
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "BOO!\nTrick or treat?\n\nThis tournament is created to celebrate Halloween!\n\nMay everyone join and invite others for a fun and scary game!\n\nP.s.\nHelp invite your friends to the group and tournament!",
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            "description": "Tournaments are held every Saturday\n\nJoin the OST community (^-^)",
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                "summary": "Feel free to join and create tournaments๏ผ\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
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            "description": "Hello this is number two",
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