List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_per_move&page=3951
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Winner take all!",
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                "name": "Atlanta Go Club",
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        {
            "id": 68666,
            "name": "Greg's Monthly 9x9 Tournament January 2021",
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                "username": "greg556",
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            "description": "These time settings seem to be working very well. No urgency, but you don't have to wait three days for a move.  No \"start when full\" this time--we'll wait till after Christmas and New Year's to start.  Swiss is way better than McMahon, and strength and strength seems to work as well.",
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        {
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            "name": "2nd Beginners 9x9 Knockout Tournament Group 1",
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