List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-time_per_move&page=622
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                "name": "Chinese Group",
                "summary": "A random and great chat group and a place to play go like I will say in the group page",
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            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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                "username": "5C13林晉逸",
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                "name": "crazy bot beginner",
                "summary": "hi. we are bots. crazy ones. also the beginner version. please join this group.",
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            "description": "hi my frends",
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            "description": "if you want have a \nmass organizations,\nyou can try.",
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        {
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            "description": "First Community day in 2021!",
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                "name": "Pokémon Go",
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                "summary": "Malkovich tournament launching place",
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