List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=311
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=310",
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            "name": "OGS Celebration! 9x9 Party! (10k or weaker)",
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                "username": "matburt",
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            "description": "Celebrate the next generation of OGS with a live 9x9 tournament!",
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                "username": "ss76",
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            "description": "Play Go",
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            "is_open": true,
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                "id": 25,
                "name": "Go Basics",
                "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
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            "started": "2021-07-31T20:53:05.614503Z",
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        },
        {
            "id": 78146,
            "name": "25k-10k Tournament Round Robin",
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                "id": 1012312,
                "username": "charlie11",
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                "icon": "https://secure.gravatar.com/avatar/2dcdff4966c0103300ce0d6fbf4e22e8?s=64&d=retro",
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            "description": "No words...",
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                "id": 9514,
                "name": "25k-10k (Double Digets Please)",
                "summary": "As long as your Double Digits or near Double Digits your welcome to join.",
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                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "time_start": "2021-07-31T16:00:00Z",
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            "ended": "2021-08-20T17:15:04.632237Z",
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        },
        {
            "id": 136392,
            "name": "13x13 Mini League 10k-25k #45",
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                "id": 1688153,
                "username": "Mittelmark",
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            "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 93703,
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                "initial_time": 432000,
                "max_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 161,
                "name": "13x13",
                "summary": "Like to play on a 13 x 13 board?",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 57,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "auto_start_on_max": true,
            "time_start": "2026-01-23T18:00:00Z",
            "players_start": 5,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2026-01-22T06:35:23.619963Z",
            "ended": "2026-03-01T14:57:59.407905Z",
            "start_waiting": "2026-01-22T06:35:23.401166Z",
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            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
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        },
        {
            "id": 119191,
            "name": "DDK auto handicap: 3d+12h/move",
            "director": {
                "id": 1223282,
                "username": "hckrpl",
                "country": "pl",
                "icon": "https://user-uploads.online-go.com/0a16b441e92a8a1a7f9bbb394c8c8dd9-64.png",
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            },
            "description": "Everyone is free to join :)\n\nHandicap is set to auto.\n\nRemeber that turning vacation on disqualifies from the tournament (it's how OGS works, I don't know if it even can be disabled). Same holds for losing because of timeout. Please don't pause games unless both players agree, this may also cause disqualification. Let's have good time and play some go :)",
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            "handicap": -1,
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                "id": 7228,
                "name": "DDK Proving Grounds (Double Digit Kyu)",
                "summary": "A place for DDK's to play against other DDK's without fear of SDK's trying to hop in. We do B League (25k-18k) & A League (17k-10k) tournaments monthly.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
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            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
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            "ended": "2025-07-16T10:16:28.482442Z",
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        },
        {
            "id": 2961,
            "name": "DDK Relaxed RoundRobin (10-20k, no handy)",
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                "username": "porl3141",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/3cad61a2a838dd485ff3b65c2ca93023?s=64&d=retro",
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            },
            "description": "Relaxed RoundRobin tourney for DDK players with intermittent schedules. Maximum number of players is 10.",
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            },
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                "id": 24,
                "name": "Double Digit Kyu Room",
                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
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                "hide_details": false,
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            "first_pairing_method": "strength",
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            "exclusivity": "open",
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            "ended": "2014-06-14T22:41:20.939070Z",
            "start_waiting": "2014-06-14T21:44:34.735287Z",
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            "player_count": 0,
            "ranked": true
        },
        {
            "id": 30354,
            "name": "Corgi Go",
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            },
            "description": "For all of the corgi lovers out there to play go",
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            },
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                "id": 1300,
                "name": "Corgi Lovers",
                "summary": "For whoever likes Corgi's <3",
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                "is_public": true,
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            "subsequent_pairing_method": "strength",
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        {
            "id": 61515,
            "name": "Play time",
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                "username": "bluemooneatlion",
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            },
            "description": "Have fun and make Friends. \nDon’t take wining or losing seriously, have fun.",
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            },
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                "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
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                "admin_only_tournaments": false,
                "hide_details": false,
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        {
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                "name": "New Zealand Ladders",
                "summary": "Group for ladders and tournaments that use New Zealand rules.",
                "require_invitation": false,
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        {
            "id": 54105,
            "name": "DDK.NL Go Club - New Year's Tournament 2020",
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            "description": "New year's double elimination tournament for DDK players",
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            "tournament_type": "double_elimination",
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            "rules": "japanese",
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