List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=359
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Tired of being laid waste by SDK?",
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            "description": "The current holder of the OGS-KYU title tournament will now be decided!\n\nBe 10k-17k to participate .",
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