List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=analysis_enabled&page=4168
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "2014 spring tournament",
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                "username": "RaikB",
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            "name": "Alan Turing Nines Little Tournament",
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                "username": "sleepypeanutpot",
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            "description": "Have fun and don't be bored!\nEveryone Welcome! \n30kyu-9dan :)",
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                "name": "GOKSZ",
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            "id": 2964,
            "name": "Newby's Month Long Round Robin",
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                "id": 66298,
                "username": "Peter ;)",
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            "ended": "2014-09-11T14:10:11.537199Z",
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        {
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            "name": "crown game",
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                "username": "hikaru1no1go",
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            "description": "a short 13x13 tourney if u win this a golden badge will be in ur profile so get ur brains ready it will start on  ''12:00 utc'' 11 septmber 2014",
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                "periods": 5
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            "group": {
                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
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            "description": "### ! Does NOT pause on the weekend !\n\n---\n\n- Just one round of simultaneous games. Chinese Rules/Scoring.\n\n- This is a '**FAST** Correspondence Tournament'. Please avoid delaying your games using the Vacation feature or Pause. Any participant using Vacation or Pause may be disqualified (and forfeit unfinished games) at the discretion of the Tournament Director.\n\n- Please make sure you understand the [**'Clock' settings**](https://github.com/online-go/online-go.com/wiki/Finding-(starting)-a-game#basic-time-controls-explained) before you join this tournament.  It typically takes 2-3 weeks to complete and you will need to log on and play at two well-spaced times most days to avoid losing by timeout.\n\n- If this suits you then, Bonne Partie....and please invite your friends. :)",
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