List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-exclude_provisional&page=5198
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Everyone is welcome. <br>\nIt is capped at 16 players. An identical tournament that starts after one month or at 16 players will be created as soon as this tournament starts.",
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            "description": "let’s play some go :)",
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