List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5784
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "name": "FSTS Nines January 2016 Olympic",
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            "description": "Just olympic 9x9 tournament.",
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                "id": 353,
                "name": "Four Seasons Tournament Series",
                "summary": "Серия турниров \"Четыре Сезона\"",
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            "name": "The 21st Murase Go Group Tournament",
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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\nJethOrensinさん、hataruさん、taka2さん、rinsiさん、たじまさん、poroporomaruさん、マンジュリカさん、Eruditoさん、tomtom-chanさん、Hagirinさん",
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            "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.",
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        {
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