List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=20
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Torneo del Tortellino! Chi sarà il \"primo sotto il cielo\"? Combattete!",
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            "id": 39090,
            "name": "Best Tournament",
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            "description": "It's a double elimination!\n\nYou have to be here when you start!",
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                "id": 515,
                "name": "OGS Title Tournaments",
                "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
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            "description": "Discri",
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            "description": "venez tous nous regoindre",
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