List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5565
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "The 4th Gosei Kanren Memorial Cup",
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            "description": "Gosei is one of the major Japanese Go Titles. It continues currently in Japan. Kanren is the first Gosei. 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「第四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": "このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\ngushio0703さん、chitatsusanさん、stmgo1022さん、nassyさん、smith0108さん、000 2025さん",
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            "description": "Go ponad wszstko!",
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            "id": 77114,
            "name": "🌸81 Flowers🌸 #13",
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                "id": 126739,
                "username": "🐬Sofiam🐬",
                "country": "_Olimpic_Movement",
                "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png",
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            "description": "🌸🌸🌸Everyone is welcome🌸🌸🌸",
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                "name": "Go friends 🐬",
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        {
            "id": 80547,
            "name": "25/9 陳樂萌\t周學賢",
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                "username": "傳碁學園",
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            "description": "25/9 陳樂萌\t周學賢",
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                "name": "傳碁 A班",
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        {
            "id": 46132,
            "name": "The 8th Murase Go Group Tournament",
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                "username": "SM-SYaKo",
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            "description": "毎月27日に開催される定例トーナメントです。これは第八回村瀬碁グループ定例トーナメントです。2019年3月27日に開始されます。\n\nA tournament that happens every month on 27th. This is the 8th tournament starts on March 27th, 2019.",
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                "name": "Murase Go Group",
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        {
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