List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclusivity&page=77
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Hola, juguemos.",
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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\nrinsiさん、oukaさん、alemitraniさん、アタリガールさん、tomi-nchi-goさん、かきもとさん",
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            "description": "แต้มต่อ 6.5 คะแนน",
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