List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclusivity&page=253
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "梁誠至\n陳琛悠",
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            "name": "初級リーグ(14級~10級)",
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                "id": 874208,
                "username": "FUKO.S",
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                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
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            "description": "OGSだと適正な手合でトーナメントは難しいのでとりあえずオール互戦で総当たりにします。\nそこから適当に点数決めて出来たらいいな…\nという訳で段位者とも互戦で打てるチャンスかもね!\n最大6人です。\n持ち時間は少し短く一手1日最大2日にします。\n参加出来るかたよろしくね!",
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