List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-started&page=3343
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 59502,
    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=3344",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=3342",
    "results": [
        {
            "id": 63693,
            "name": "testing 3",
            "director": {
                "id": 808564,
                "username": "wyze Y",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/044820d6ed4a7ff93330abf29f8f73d6-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2021.0763856847452,
                        "deviation": 67.98254798551302,
                        "volatility": 0.060155077473309344
                    }
                },
                "ranking": 31.205904839404827,
                "professional": false,
                "ui_class": ""
            },
            "description": "【交流區】          請同學們「對名入座」哦!\n\n請同學們「對名入座」哦!\n【交流區】\n獲邀名單:\nTaKin\nAntyWong\nZERO2005\nGeorge1949\nKevin2020\nt0bey",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 36,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 600,
                "period_time": 30,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6293,
                "name": "圍棋廊——《互研網絡圍棋交流團》",
                "summary": "歡迎世界各地有品德的圍棋愛好者!\n我們每週四香港時間晚上8:30-10:00(香港公眾假期除外)定期舉辦圍棋交流活動,歡迎自律及有棋品人士加入,費用全免!\n如有興趣報名請使用OGS訊息留言及留下聯繫電話號碼,謝謝!",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 213,
                "icon": "https://user-uploads.online-go.com/4ef0ee391d2197a2d10cacacedbcee32-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-29T14:25:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "invite",
            "started": "2020-07-29T14:25:42.787831Z",
            "ended": "2020-07-29T14:30:30.496255Z",
            "start_waiting": "2020-07-29T14:25:42.422956Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/4ef0ee391d2197a2d10cacacedbcee32-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 63690,
            "name": "Blitz 19x19 Elimination Tournament 2020-07-29 13:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 1,
                "name": "Blitz 19x19 Elimination Tournament",
                "rrule": "DTSTART:20260301T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:06:42.010011Z",
                "last_run": "2026-03-01T01:00:40.607786Z",
                "lead_time_seconds": 1800,
                "tournament_type": "elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 19,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 10,
                    "main_time": 120,
                    "periods": 5
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-01T05:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 11,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 10,
                "main_time": 120,
                "periods": 5
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-07-29T13:30:38.838655Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-29T13:30:40.838448Z",
            "ended": "2020-07-29T13:57:29.034531Z",
            "start_waiting": "2020-07-29T13:30:40.249259Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 62495,
            "name": "International Tiger Day 2020: Standard Correspondence",
            "director": {
                "id": 109488,
                "username": "DVbS78rkR7NVe",
                "country": "un",
                "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 2026.1476299885521,
                        "deviation": 66.05609734432652,
                        "volatility": 0.059874270189468615
                    }
                },
                "ranking": 31.26391960044579,
                "professional": false,
                "ui_class": ""
            },
            "description": "International Tiger Day is held annually on July, 29th. It was created in 2010 at the Saint Petersburg Tiger Summit.\n\nJoin the group for more cat tournaments.",
            "schedule": null,
            "title": null,
            "tournament_type": "swiss",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 89280,
            "time_control_parameters": {
                "system": "fischer",
                "time_control": "fischer",
                "speed": "correspondence",
                "pause_on_weekends": false,
                "time_increment": 86400,
                "initial_time": 259200,
                "max_time": 259200
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6124,
                "name": "Leopard's Resting Tree",
                "summary": "A little corner for cat tournaments",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 312,
                "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-29T12:00:00Z",
            "players_start": 2,
            "first_pairing_method": "strength",
            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-29T12:00:38.258934Z",
            "ended": "2021-11-25T14:24:50.403043Z",
            "start_waiting": "2020-07-29T12:00:36.423929Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png",
            "player_count": 33,
            "ranked": true
        },
        {
            "id": 63530,
            "name": "Come play",
            "director": {
                "id": 735413,
                "username": "梁因諾2",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/20dd5a833b9922de3fb330d9f2c77a20-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1359.7350232735641,
                        "deviation": 64.98105013355789,
                        "volatility": 0.0600482213494612
                    }
                },
                "ranking": 22.030624839725757,
                "professional": false,
                "ui_class": ""
            },
            "description": "come play",
            "schedule": null,
            "title": null,
            "tournament_type": "mcmahon",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 16,
            "time_control_parameters": {
                "system": "absolute",
                "time_control": "absolute",
                "speed": "live",
                "pause_on_weekends": false,
                "total_time": 1500
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6365,
                "name": "The Best Happy Go Group",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 34,
                "icon": "https://user-uploads.online-go.com/50f48517d57f1d146fa4da1186bb47f6-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-25T13:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-29T11:45:35.728436Z",
            "ended": "2020-07-29T13:01:11.538901Z",
            "start_waiting": "2020-07-29T11:45:35.529377Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/50f48517d57f1d146fa4da1186bb47f6-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 63684,
            "name": "Live 9x9 Double Elimination Tournament 2020-07-29 10:30",
            "director": {
                "id": 4,
                "username": "matburt",
                "country": "us",
                "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1125.8827017028436,
                        "deviation": 78.19731452501959,
                        "volatility": 0.06006087171771568
                    }
                },
                "ranking": 17.66169912212786,
                "professional": false,
                "ui_class": "supporter moderator admin"
            },
            "description": "Automatic Sitewide Tournament",
            "schedule": {
                "id": 2,
                "name": "Live 9x9 Double Elimination Tournament",
                "rrule": "DTSTART:20260301T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
                "active": true,
                "created": "2014-12-20T06:22:51.496184Z",
                "last_run": "2026-03-01T02:00:40.616395Z",
                "lead_time_seconds": 1800,
                "tournament_type": "double_elimination",
                "handicap": 0,
                "rules": "japanese",
                "size": 9,
                "time_control_parameters": {
                    "time_control": "byoyomi",
                    "period_time": 30,
                    "main_time": 300,
                    "periods": 3
                },
                "min_ranking": 0,
                "max_ranking": 36,
                "analysis_enabled": false,
                "exclude_provisional": true,
                "players_start": 4,
                "first_pairing_method": "slide",
                "subsequent_pairing_method": "slide",
                "settings": {
                    "num_rounds": "3",
                    "upper_bar": "20",
                    "lower_bar": "10",
                    "group_size": "3",
                    "maximum_players": 100
                },
                "next_run": "2026-03-01T06:00:00Z",
                "base_points": "10.0"
            },
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 33,
            "time_control_parameters": {
                "time_control": "byoyomi",
                "period_time": 30,
                "main_time": 300,
                "periods": 3
            },
            "is_open": true,
            "exclude_provisional": true,
            "group": null,
            "auto_start_on_max": false,
            "time_start": "2020-07-29T10:30:30.396493Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2020-07-29T10:30:32.444612Z",
            "ended": "2020-07-29T11:11:46.866736Z",
            "start_waiting": "2020-07-29T10:30:31.879223Z",
            "board_size": 9,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
            "player_count": 8,
            "ranked": true
        },
        {
            "id": 63685,
            "name": "事前シュミレーション12",
            "director": {
                "id": 785391,
                "username": "sum7",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/4c3c6cbe1cab7aa2013e7d7fb506b12a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1727.6497529896158,
                        "deviation": 103.84892805540841,
                        "volatility": 0.06001745520626601
                    }
                },
                "ranking": 27.574404317226268,
                "professional": false,
                "ui_class": ""
            },
            "description": "事前シュミレーション",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6396,
                "name": "KAKA囲碁部Ⅱ",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-29T11:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-07-29T10:02:39.705207Z",
            "ended": "2020-07-29T10:08:20.653620Z",
            "start_waiting": "2020-07-29T10:02:39.620186Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63683,
            "name": "事前シュミレーション11",
            "director": {
                "id": 785391,
                "username": "sum7",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/4c3c6cbe1cab7aa2013e7d7fb506b12a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1727.6497529896158,
                        "deviation": 103.84892805540841,
                        "volatility": 0.06001745520626601
                    }
                },
                "ranking": 27.574404317226268,
                "professional": false,
                "ui_class": ""
            },
            "description": "事前シュミレーション",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 30,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 30,
                "period_time": 30,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6396,
                "name": "KAKA囲碁部Ⅱ",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-29T10:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-07-29T09:53:56.231086Z",
            "ended": "2020-07-29T09:59:04.640281Z",
            "start_waiting": "2020-07-29T09:53:56.080906Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63682,
            "name": "事前シュミレーション10",
            "director": {
                "id": 785391,
                "username": "sum7",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/4c3c6cbe1cab7aa2013e7d7fb506b12a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1727.6497529896158,
                        "deviation": 103.84892805540841,
                        "volatility": 0.06001745520626601
                    }
                },
                "ranking": 27.574404317226268,
                "professional": false,
                "ui_class": ""
            },
            "description": "ようやくわかってきた",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6396,
                "name": "KAKA囲碁部Ⅱ",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-29T10:00:00Z",
            "players_start": 2,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-07-29T09:40:03.758624Z",
            "ended": "2020-07-29T09:51:57.837232Z",
            "start_waiting": "2020-07-29T09:40:03.667583Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        },
        {
            "id": 63629,
            "name": "Fun Tournament",
            "director": {
                "id": 736685,
                "username": "李朗銳",
                "country": "hk",
                "icon": "https://user-uploads.online-go.com/b7c6482c7e297b7c47906a1a0bfc23c7-64.png",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1005.3610697829467,
                        "deviation": 66.82162579107839,
                        "volatility": 0.06001116661169058
                    }
                },
                "ranking": 15.040642201285266,
                "professional": false,
                "ui_class": ""
            },
            "description": "This tournament is gonna be fun!",
            "schedule": null,
            "title": null,
            "tournament_type": "double_elimination",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 60,
            "time_control_parameters": {
                "system": "simple",
                "time_control": "simple",
                "speed": "live",
                "pause_on_weekends": false,
                "per_move": 60
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 5925,
                "name": "Group for GO",
                "summary": "Don't have a group? No problem, just join this group!",
                "require_invitation": false,
                "is_public": true,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 71,
                "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-64.png"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-29T07:59:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slide",
            "min_ranking": 5,
            "max_ranking": 10,
            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-07-29T07:44:33.239378Z",
            "ended": "2020-07-29T08:11:05.530073Z",
            "start_waiting": "2020-07-29T07:44:33.133706Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-15.png",
            "player_count": 4,
            "ranked": true
        },
        {
            "id": 63679,
            "name": "事前シュミレーション9",
            "director": {
                "id": 785391,
                "username": "sum7",
                "country": "jp",
                "icon": "https://secure.gravatar.com/avatar/4c3c6cbe1cab7aa2013e7d7fb506b12a?s=64&d=retro",
                "ratings": {
                    "version": 5,
                    "overall": {
                        "rating": 1727.6497529896158,
                        "deviation": 103.84892805540841,
                        "volatility": 0.06001745520626601
                    }
                },
                "ranking": 27.574404317226268,
                "professional": false,
                "ui_class": ""
            },
            "description": "事前シュミレーション7",
            "schedule": null,
            "title": null,
            "tournament_type": "roundrobin",
            "handicap": 0,
            "rules": "japanese",
            "time_per_move": 50,
            "time_control_parameters": {
                "system": "byoyomi",
                "time_control": "byoyomi",
                "speed": "live",
                "pause_on_weekends": false,
                "main_time": 1800,
                "period_time": 30,
                "periods": 1
            },
            "is_open": true,
            "exclude_provisional": false,
            "group": {
                "id": 6396,
                "name": "KAKA囲碁部Ⅱ",
                "summary": "",
                "require_invitation": false,
                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": true,
                "member_count": 22,
                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
            },
            "auto_start_on_max": false,
            "time_start": "2020-07-29T08:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": true,
            "exclusivity": "group",
            "started": "2020-07-29T07:31:08.084343Z",
            "ended": "2020-07-29T08:01:45.954540Z",
            "start_waiting": "2020-07-29T07:31:07.979243Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
            "player_count": 3,
            "ranked": true
        }
    ]
}