List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=558
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=max_ranking&page=557",
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                "username": "hanzpk",
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            "description": "Tired of being laid waste by dan?",
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                "name": "Happy Go!!!",
                "summary": "Feel free to join and create tournaments!\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY",
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            "name": "The Battlefield of Single Digit",
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                "username": "MAESTRO of BADUK",
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                "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png",
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            "description": "This is for players who want to enjoy fast correspondence match \n\nSwiss league for 10k~1k\n\nStart time: 1day 12 hours\n\nFischer:: 6 hours\n\nMax. Time: 3 days\n\n*****\nRestricted Rank: 1k \n\nPlayers who reached 1 dan within 30 days before the tournament announcement date but have since dropped back to 1k are not eligible to participate. (Reference date: 30 days prior to October 27)\n\n*****\nThe winner will receive a seeded invitation to the main tournament of Road to Dan, a regular tournament hosted by the RS group. \n\n(We recommend you to be a member of the RS group to receive an invitation. According to the OGS system, we cannot send invitations to non-members.)\n\n*****\nPlease be careful below the rule;\n\nNO PAUSE & NO VACATION, anyone who takes on the vacation or pauses a game, will be disqualified.\n\nPlease send the tournament director a message if you find that your opponent pauses or turns vacation mode on. \n*****",
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            "is_open": true,
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                "name": "RollingStones : Global & 한국인",
                "summary": "한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.",
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            "name": "19x19 kyu games",
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                "id": 124930,
                "username": "Laon",
                "country": "us",
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            "description": "a tournament for kyus",
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                "id": 329,
                "name": "Iemoto",
                "summary": "This group is made up of four \"Go Houses\": Honinbo, Hayashi, Inoue, Yasui.\n\n### Igo Houses (Iemoto)\n\n+ Each house has a current \"head.\" Anyone stronger than 5 kyu can become a head.\n+ Each head chooses his/her own disciples. Heads are under no obligation t",
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            "name": "9x9 Mini League 1k-9k #144",
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                "id": 1015644,
                "username": "wiadp1",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
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            "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
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                "id": 1015644,
                "username": "wiadp1",
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                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
                "require_invitation": false,
                "is_public": true,
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            "subsequent_pairing_method": "slaughter",
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            "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
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                "username": "wiadp1",
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        {
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            "name": "#017 🐩 Sunday Correspondence19*19 RoundRobin",
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            "description": "have fun",
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                "name": "Dogs fun",
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                "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
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