List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5774
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "des parties pour debutant et pour le plaisir sans reel classement, je ne ss pas sur de jouer moi meme vu que je ss le meilleur de ce site et du monde entier(j'ai meme battu alphago),\n     un tournoi avec des joueurs a niveau en theorie equivalant.\namusez vous bien\nvivien",
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            "description": "Since there is a new rating system, it's time to play more games and get your rank sorted out. I'm setting up three tournaments for each playing level. Have fun everyone!",
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