List all tournaments or create a new tournament.

GET /api/v1/tournaments/?ordering=-subsequent_pairing_method&page=5716
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Brawl starts 4 will start on 2nd October",
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            "name": "ქართველების ტურნირი",
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            "description": "ორ წაგებაზე გავარდნა",
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                "username": "Kosh-retired",
                "country": "_Lord_Howe_Island",
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                "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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            "id": 68077,
            "name": "lmao lol",
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                "username": "LanSky",
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            "description": "bruh bruh",
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                "id": 6751,
                "name": "Northview Go Club",
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            "name": "9x9 Open D.E. Cup #188",
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                "username": "wiadp1",
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            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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                "name": "9x9 Lovers",
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