List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=296
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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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。これは第四十二回村瀬碁グループ定例トーナメントです。2022年3月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 42nd tournament that starts on March 27th, 2022.",
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                "name": "New Zealand Tournaments",
                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
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            "name": "hattori's mini mini-tournament",
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                "name": "OGS Mini Tournaments",
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                "name": "Game Of Stones",
                "summary": "This group is no longer operated.",
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