List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=3842
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Since there is a new rating system, it's time to play more games and get your rank sorted out. I'm setting up three tournaments for each playing level. Have fun everyone!",
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            "description": "A little tournament, since there aren't any active. I highly urge you to analyse the games together :) Good luck!",
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                "speed": "correspondence"
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                "name": "reddit",
                "summary": "/r/baduk",
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            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2019-05-05T18:56:47.992533Z",
            "ended": "2019-05-23T17:34:51.130946Z",
            "start_waiting": "2019-05-05T18:56:46.769755Z",
            "board_size": 19,
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        }
    ]
}