List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5752
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 60023,
    "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5753",
    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5751",
    "results": [
        {
            "id": 95083,
            "name": "Beginner's correspondence tournament",
            "director": {
                "id": 1185877,
                "username": "TranBao",
                "country": "vn",
                "icon": "https://user-uploads.online-go.com/67d7d186b94fc74fe63b005140aead0c-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1136.9291955303215,
                        "deviation": 69.0591873172129,
                        "volatility": 0.060126073416735114
                    }
                },
                "ranking": 17.887726185091534,
                "professional": false,
                "ui_class": ""
            },
            "description": "Welcome to join the tournament to have a lot of correspondence games. Pairing is according to strength.",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "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!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18023,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": true,
            "time_start": "2022-09-29T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 22,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2022-10-11T00:23:23.433756Z",
            "ended": "2022-11-04T13:59:19.568422Z",
            "start_waiting": "2022-10-11T00:23:23.308600Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 2849,
            "name": "Why I am here",
            "director": {
                "id": 20502,
                "username": "nobush",
                "country": "cn",
                "icon": "https://user-uploads.online-go.com/d0c558f672e167a609363bda95da4150-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1388.0609864369926,
                        "deviation": 63.925759174857106,
                        "volatility": 0.060671558109881424
                    }
                },
                "ranking": 22.507930487275832,
                "professional": false,
                "ui_class": ""
            },
            "description": "just need some more games",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": -1,
            "rules": "aga",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 777600,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "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. ",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 3669,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 20,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2014-04-03T00:29:37.334513Z",
            "ended": "2015-04-01T19:45:28.073116Z",
            "start_waiting": "2014-04-03T00:29:35.913004Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 122402,
            "name": "It's a journey. Let's get stronger! #6",
            "director": {
                "id": 1186160,
                "username": "hanzpk",
                "country": "id",
                "icon": "https://secure.gravatar.com/avatar/9245cc93e872b1d6469e9924bdfc1000?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1102.9649072519687,
                        "deviation": 67.40239792923522,
                        "volatility": 0.05998421448287748
                    }
                },
                "ranking": 17.18560947090137,
                "professional": false,
                "ui_class": ""
            },
            "description": "Gather your strength then lash out!",
            "schedule": null,
            "title": null,
            "tournament_type": "s_mcmahon",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 89135,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "correspondence",
                "pause_on_weekends": true,
                "main_time": 345600,
                "period_time": 86400,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 12619,
                "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",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 74,
                "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2024-12-15T09:00:00Z",
            "players_start": 4,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 29,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2024-12-15T09:00:54.739068Z",
            "ended": "2025-11-04T09:20:17.121131Z",
            "start_waiting": "2024-12-15T09:00:54.033473Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
            "player_count": 17,
            "ranked": true
        },
        {
            "id": 73790,
            "name": "Yeah ogs",
            "director": {
                "id": 850139,
                "username": "sun496715",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/d601c4501fe994fa566f35499b0dcdc0?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1041.262430966302,
                        "deviation": 64.93880933439947,
                        "volatility": 0.060041655939086
                    }
                },
                "ranking": 15.852908624786158,
                "professional": false,
                "ui_class": ""
            },
            "description": "Have fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "live",
                "pause_on_weekends": false,
                "time_increment": 30,
                "initial_time": 300,
                "max_time": 600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7559,
                "name": "Yeah ogs",
                "summary": "",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 6,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2021-04-13T10:00:00Z",
            "players_start": 4,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 10,
            "max_ranking": 31,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2021-04-13T12:43:30.646254Z",
            "ended": "2021-04-13T12:58:16.152522Z",
            "start_waiting": "2021-04-13T12:43:30.550861Z",
            "board_size": 13,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 74696,
            "name": "DDK 19x19 Round Robin no analysis",
            "director": {
                "id": 949383,
                "username": "Disjoint_Set",
                "country": "ps",
                "icon": "https://secure.gravatar.com/avatar/45409f17bb2afddc94c7cc7251c1ba45?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1229.570597441022,
                        "deviation": 64.08249039988512,
                        "volatility": 0.059985866753659856
                    }
                },
                "ranking": 19.70115969473084,
                "professional": false,
                "ui_class": ""
            },
            "description": "Round Robin 19x19 for 20K-11K, Fischer correspondence, no analysis.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 604800
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 5683,
                "name": "Tournaments Group",
                "summary": "A group for people who like tournaments.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 66,
                "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2021-05-04T00:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 19,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2021-05-04T00:46:38.255851Z",
            "ended": "2021-05-18T10:29:31.953041Z",
            "start_waiting": "2021-05-04T00:46:38.115153Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 110358,
            "name": "圓周率Pi",
            "director": {
                "id": 1236996,
                "username": "MingLau",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1096.7720932993345,
                        "deviation": 68.49009970488365,
                        "volatility": 0.06007608199521589
                    }
                },
                "ranking": 17.055262959732918,
                "professional": false,
                "ui_class": ""
            },
            "description": "一起背兀吧!",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "per_move": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 13697,
                "name": "𝓞𝓷𝓵𝓲𝓷𝓮 𝓖𝓸 𝓣𝓸𝓾𝓻𝓷𝓪𝓶𝓮𝓷𝓽",
                "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 109,
                "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-12-07T04:00:00Z",
            "players_start": 3,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 25,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2023-12-07T12:13:03.024470Z",
            "ended": "2024-01-10T14:18:59.456407Z",
            "start_waiting": "2023-12-07T12:13:02.982359Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png",
            "player_count": 2,
            "ranked": true
        },
        {
            "id": 99497,
            "name": "Eリーグ(20k-15k)",
            "director": {
                "id": 874208,
                "username": "FUKO.S",
                "country": "jp",
                "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2208.151542128061,
                        "deviation": 68.94747429756583,
                        "volatility": 0.06003767154281009
                    }
                },
                "ranking": 33.25527075653788,
                "professional": false,
                "ui_class": "supporter"
            },
            "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": -1,
            "rules": "japanese",
            "time_per_move": 9573,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "total_time": 1209600
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 7692,
                "name": "Yushima Go Cafe (湯島囲碁喫茶)",
                "summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト&オンライン囲碁サロンメンバー専用のグループです。",
                "require_invitation": true,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 114,
                "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2023-02-04T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 30,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2023-02-04T11:00:49.753820Z",
            "ended": "2023-02-26T13:23:01.505699Z",
            "start_waiting": "2023-02-04T11:00:49.660042Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 943,
            "name": "tocaia's mini-tournament",
            "director": {
                "id": 24175,
                "username": "tocaia",
                "country": "br",
                "icon": "https://user-uploads.online-go.com/5e28d4a4e3f3906334b1d3e71b502562-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1186.2541996550885,
                        "deviation": 63.97530038917235,
                        "volatility": 0.060037738152843065
                    }
                },
                "ranking": 18.87089907904439,
                "professional": false,
                "ui_class": ""
            },
            "description": "",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "chinese",
            "time_per_move": 86400,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 604800,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 385,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2009-11-23T20:33:34Z",
            "ended": "2009-11-23T19:33:34Z",
            "start_waiting": null,
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 2670,
            "name": "Poppy's tournament",
            "director": {
                "id": 9574,
                "username": "poppy",
                "country": "fr",
                "icon": "https://secure.gravatar.com/avatar/7fb327aad61cd2b8441d1fbf2b44ac7b?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1622.0771969247673,
                        "deviation": 64.68562742439492,
                        "volatility": 0.059965083804519655
                    }
                },
                "ranking": 26.1146946708668,
                "professional": false,
                "ui_class": ""
            },
            "description": "Dougle dikit kyu tournament",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "time_control": "fischer",
                "initial_time": 259200,
                "max_time": 432000,
                "time_increment": 86400
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "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!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 18023,
                "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
            },
            "auto_start_on_max": false,
            "time_start": null,
            "players_start": null,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 10,
            "max_ranking": 20,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2013-12-03T16:11:32.742290Z",
            "ended": "2014-02-04T17:37:58.660938Z",
            "start_waiting": "2013-12-03T16:11:32.006525Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
            "player_count": 0,
            "ranked": true
        },
        {
            "id": 19036,
            "name": "Sage Title tournament",
            "director": {
                "id": 104763,
                "username": "陈建安",
                "country": "_GoT_Baratheon",
                "icon": "https://user-uploads.online-go.com/1aa16f12b66fc596a3696d70092cc911-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1489.2961464747332,
                        "deviation": 64.25758150588709,
                        "volatility": 0.05996218953177387
                    }
                },
                "ranking": 24.137593811895286,
                "professional": false,
                "ui_class": ""
            },
            "description": "Hi guys! This tournament is a carefree tournament for all players to fight for go titles.\n1st place will be named a sage, 2nd place will be named a king, 3rd place will be named a general. Your names will then be put at the first page of the group 'happy go lucky'",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 345600,
            "time_control_parameters": {
                "time_control": "simple",
                "per_move": 345600
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": {
                "id": 500,
                "name": "happy go lucky",
                "summary": "开心就好!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 37,
                "icon": "https://user-uploads.online-go.com/31d441f9afa9088b6843a0c6179dba28-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2016-08-12T23:11:00Z",
            "players_start": 10,
            "first_pairing_method": "slaughter",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 10,
            "max_ranking": 36,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2016-08-12T23:11:46.329194Z",
            "ended": "2017-08-12T00:10:53.674939Z",
            "start_waiting": "2016-08-12T23:11:42.578617Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/31d441f9afa9088b6843a0c6179dba28-15.png",
            "player_count": 38,
            "ranked": true
        }
    ]
}