List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclusivity&page=156
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "I will try to review all games again. But when many games finish in a very short period, it might take a while until I catch up.\n\nEnjoy!",
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