List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-min_ranking&page=988
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-min_ranking&page=987",
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            "name": "Fast Fourier Transform",
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                "username": "kevinmath",
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            "name": "北極之狐96",
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                "username": "Arctic fox 極の大理石狐",
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            "description": "輕鬆暑期活動",
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                "id": 3852,
                "name": "Hong Kong ",
                "summary": "First priority : HK people join plz                                                                     \nThis group welcomes everyone, but only if you don't be rude.",
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            },
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        },
        {
            "id": 125487,
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            },
            "description": "первый турнир в нашей группе",
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        {
            "id": 109505,
            "name": "19x19 Open League #38",
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                "username": "wiadp1",
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            },
            "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599",
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                "id": 12599,
                "name": "GO Special Tournaments",
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        {
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            "name": "Torneio de Quarentena 21",
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                "id": 71636,
                "username": "riemsdijk",
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            "description": "Haverá um sorteio ao final do torneio, seguem as regras: Irei sortear uma review de partida(offline) a escolha do jogador sorteado. Caso o torneio tenha mais de 15 jogadores, irei sortear também uma partida orientada. Se o torneio tiver mais de 25 jogadores irei sortear também uma aula particular(1h-1h30m de duração) com o tema a escolha do sorteado.\n\nPara concorrer ao sorteio basta ao jogador jogar o torneio, para cada partida que o jogador jogar no torneio(incluindo vitórias por ausência e bye) ele terá uma chance no torneio. Aqueles que forem padrinhos do meu projeto(https://www.padrim.com.br/aulasdegofhvr) e terminarem o torneio terão duas vezes essas chances.",
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                "id": 3811,
                "name": "Aulas de Go com FHvR",
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        {
            "id": 53587,
            "name": "OGT 8. Go Turnuvası",
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                "id": 615578,
                "username": "Muhammed Alperen Yaşar",
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            "description": "Duyduk duymadık demeyin, 6 Kasım Çarşamba günü başlayacak olan OGS turnuvalarımızın 8. ayağına herkes davetlidir! (Banu gibi coşkulu bir duyuru yapayım dedim ama olmadı)",
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                "id": 3526,
                "name": "Online Go Topluluğu",
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                "id": 2946,
                "name": "Final Frontier",
                "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!",
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            "description": "This is the tournement",
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                "summary": "The Go branch of the Cookies club. Other branches include Chess Cookies!",
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