List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=1084
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Турнирчик к 4 июля",
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            "description": "9x9 like Shogi, the only major chess variant where you can put pieces back on the board.",
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            "description": "VAMOS A JUGAR 19X19",
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