List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=612
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "More fun and games.",
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            "description": "Another tournament for fun.",
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            "description": "These time controls seems to be working well for the Fast Correspondence players. Let's have another fun one.",
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