List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=432
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Even though the world war one did not have pairings based on rank, or handi-caps, I'm gonna add them in our \"WW1\" Dedicated tournament=) Have fun battling, and break a leg! (Figurative language)",
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