List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=4554
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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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\nshaonaiさん、miku1000さん、fumi23さん、SapporoHeitaさん、EisukeGoさん",
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                "id": 2946,
                "name": "Final Frontier",
                "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!",
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            "description": "Открытый турнир 19х19 для всех участников Лиги Го.\n\nРегламент: олимпийская система, 15 мин + 3 беёми по 30 сек., коми авто.\n\nПризовой фонд (при 12+ участниках и только для участников Лиги): 1 место - 1500 р. 2 место - 1000 р. 3 место - 500 р.\n\nВступить в Лигу Го на странице группы: https://vk.com/pro_league_go\n\nТурнирные таблицы: https://docs.google.com/spreadsheets/d/1iLdPoIIysNW1rJovDHCvtJeR4Qd-1-U5unJqv6GABk4/edit",
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