List all tournaments or create a new tournament.

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HTTP 200 OK
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Content-Type: application/json
Vary: Accept

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        {
            "id": 62381,
            "name": "Hunting at Night: The 1st 25x25 Tournament",
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            "description": "This is an attempt to create a tournament on a large 25x25 board.\n\nThe tournament is approved by anoek. The games won't affect the ranking even though they will be marked as ranked.\n\nJoin the group for more cat tournaments.",
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            },
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                "name": "Leopard's Resting Tree",
                "summary": "A little corner for cat tournaments",
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            "name": "Quick & Review 6 - Go Basics Live Swiss Tournament",
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                "username": "xhu98",
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            "description": "This is an experimental GO Basic's Quick & Review tourney! <b> We'll promptly start on <u>August 7, 16:30 UTC</u> in GO Basics chat room </b> (please remember to check in.) The idea is to have 2-3 rounds of fast live games and then reviewing it together afterwards. Stronger players are welcome to kibitz (comment) during the game, and the strongest player can choose a game or two and review them with all the participants. There is NO elimination in this tournament.\n\nWhen the going gets tough, the tough get Go-ing :)",
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            "tournament_type": "swiss",
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                "hide_details": false,
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        {
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            "description": "This is an experimental match for the match format. \n\nAs handicap, I will <strong>pass one move</strong> at or before the midgame. \n\nAnd the Rank Difference Compensation will be as usual.",
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                "summary": "Middle speed matches, not so hurry, not so slow.",
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                "username": "Gia",
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            "description": "This is an experimental tournament, each game will last 2 weeks in absolute time.\n\nPlease don't use vacation or pause, you may be disqualified without prior notice.",
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                "name": "Fast Correspondence",
                "summary": "Tournaments for people who like to play quick correspondence games.",
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            "subsequent_pairing_method": "slaughter",
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        {
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            "name": "Notts Go Club Sunday Afternoon Tournament - 22/10/17",
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            "description": "This is an fun online tournament for members of the Nottingham Go Club. It will take place on Sunday 22nd October 2017, starting at 2.00pm GMT",
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                "time_control": "fischer",
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            },
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                "name": "Nottingham Go Club",
                "summary": "Online Group for Go players in the Nottingham and Derby Area",
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            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "open",
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