List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclusivity&page=521
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "始めてのスイス方式でのトーナメントです。どのような開催になるか予想がつきませんが、よろしくお願い致します。1局1週間程度以内でお願いします。 楽しみましょう!",
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        {
            "id": 30281,
            "name": "FSTS Knockouts October 2017",
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            "description": "Monthly regular contest for all FSTS players.",
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                "id": 353,
                "name": "Four Seasons Tournament Series",
                "summary": "Серия турниров \"Четыре Сезона\"",
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                "name": "British School Punta Arenas",
                "summary": "Grupo que reúne a los alumnos del Taller de Go del British School - Punta Arenas\n",
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