List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=130
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "The 6th Gosei Kanren Memorial Cup",
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            "description": "Gosei is one of the major Japanese Go Titles in Japan. Kanren is the first Gosei title. This tournament is made as a commemorative of “Gosei Kanren Memorial Junior Go Tournament (碁聖寛蓮記念ジュニア囲碁大会)” in Ureshino City, Saga, Japan.\n\n「第六回碁聖寛蓮記念カップ」です。碁聖は現在にも続く日本の囲碁のタイトルの一つで、寛蓮は最初の碁聖と言われております。この大会は嬉野市で開催されていた「碁聖寛蓮記念ジュニア囲碁大会」の改名に因んで作りました。",
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            "description": "More at forum: https://forums.online-go.com/t/fsts-ddk-best-of-100-series/2996",
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            "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.",
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                "name": "Shogi 81Dojo",
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            "description": "chitatsusanさん、une..さん、yuuna_resukaさん、Zenkyuさん、TeTAsAさん、hsbatk_さん",
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                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
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        {
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            "name": "8 -> 黃暐升6 -> 王棟",
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                "username": "傳碁學園",
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                "name": "傳碁 A班",
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