List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclusivity&page=56
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=exclusivity&page=55",
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                "username": "moirvin",
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            "id": 70801,
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            "description": "brrr cause its cold cause its a frigger instead of a n!gger",
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                "id": 776731,
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            "description": "แต้มต่อ 6.5 คะแนน",
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            "id": 130539,
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            "description": "Salut un essai pour voir comment ça marche, celui-ci est privé.",
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                "name": "🌴 SLM Go 🌴",
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            "description": "Hola a todos, bienvenidos!",
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