List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4649
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "どなたでも大歓迎!Let's enjoy!",
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            "description": "VAMOS A JUGAR GO",
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            "description": "Have fun!",
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                "id": 8129,
                "name": "ZEN Go",
                "summary": "The search for happiness is one of the chief sources of unhappiness.",
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            "description": "無所謂fggjghfhfhgh",
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                "name": "HKCGA 對局室",
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            "description": "ორ წაგებაზე გავარდნა",
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                "id": 692,
                "name": "Georgia - საქართველოს გოს ფედერაცია",
                "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.",
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        {
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                "username": "elforo",
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