Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1992
{ "count": 60979, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1993", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1991", "results": [ { "id": 38147, "name": "test 1", "director": { "id": 48251, "username": "Mitsunari", "country": "fr", "icon": "https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png", "ratings": { "version": 5, "overall": { "rating": 1539.5291960027516, "deviation": 64.27228973693467, "volatility": 0.06030963473803737 } }, "ranking": 24.905549441836207, "professional": false, "ui_class": "" }, "description": "test tournament", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1807, "name": "Isnirekikari", "summary": "Hi, this is a group for players with 25kyu till 1kyu. Especially beginners are welcome! In this group everyone should be able to play, without having to pay attention on the rank difference problem.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-64.png" }, "auto_start_on_max": true, "time_start": "2018-06-14T19:30:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-14T19:28:38.525151Z", "ended": "2018-12-16T17:06:40.262219Z", "start_waiting": "2018-06-14T19:28:38.384949Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-15.png", "player_count": 2, "ranked": true }, { "id": 37095, "name": "THE DUDE ABIDES [20k-10k]", "director": { "id": 454725, "username": "Zero Moustafa", "country": "be", "icon": "https://user-uploads.online-go.com/fa477fe792a06f3ecea0cdc1594d99f1-64.png", "ratings": { "version": 5, "overall": { "rating": 905.7290586422823, "deviation": 60.980561442971556, "volatility": 0.05989121023469844 } }, "ranking": 12.624666060435485, "professional": false, "ui_class": "" }, "description": "RESPECT THE RULES !\nHave fun :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "period_time": 10, "main_time": 90, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 3, "speed": "live" }, "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": 18145, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-05-09T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-09T09:00:36.343902Z", "ended": "2018-05-09T09:02:45.206432Z", "start_waiting": "2018-05-09T09:00:36.022093Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 2, "ranked": true }, { "id": 3505, "name": "Reddit Round Robin #8 - Handicap - 20k - 11k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1250.5152826661358, "deviation": 63.38746008826557, "volatility": 0.05958743709683049 } }, "ranking": 20.092179210937353, "professional": false, "ui_class": "" }, "description": "Round Robin, Handicap, Correspondence, 20k-11k", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2290, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": true, "time_start": "2014-12-31T14:28:00Z", "players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 19, "analysis_enabled": true, "exclusivity": "open", "started": "2014-12-18T18:24:37.777382Z", "ended": "2015-05-29T13:52:25.143732Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 10, "ranked": true }, { "id": 80945, "name": "Correspondence 9x9 RoundRobin 2021-10-05 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260908T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-09-08T19:00:35.638316Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-09-11T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-10-05T19:00:05.375389Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-10-05T19:00:08.376515Z", "ended": "2021-10-27T12:44:14.619907Z", "start_waiting": "2021-10-05T19:00:06.177098Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 142953, "name": "致敬这个世界 公开赛", "director": { "id": 1250228, "username": "Xuan Tian", "country": "my", "icon": "https://secure.gravatar.com/avatar/80dc35d1767b37d01fdf02be62fa5602?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1019.3319983171625, "deviation": 66.56468063374581, "volatility": 0.060238703251649484 } }, "ranking": 15.36012976608949, "professional": false, "ui_class": "" }, "description": "从今天起，珍惜身边的一切", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 16450, "name": "学生？棋手？学生棋手！", "summary": "学生群聊，在此诸位可以畅所欲言。欢迎海外学生加入，毕业学生也可以继续留下，衷心感谢您一路以来的相伴成长！\n\n@KataGo_AI，是本群中一位管理员为学生的ai用户，ai账号为真人管理，非大模型回复。如各位群友有意愿与其对弈，可以私信联系其ai账号，该账号管理员会优先考虑（注：开学期间仅周六有时间）", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 31, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-08-31T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-08-31T11:00:32.230266Z", "ended": null, "start_waiting": "2026-08-31T11:00:32.169594Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 94728, "name": "4 -> 錢尚鋒 5 -> 陳灝", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "4 -> 錢尚鋒\n5 -> 陳灝", "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": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-09-18T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-09-18T03:47:58.286852Z", "ended": "2022-09-18T04:27:33.419152Z", "start_waiting": "2022-09-18T03:47:58.175519Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 84873, "name": "15/1 1 -> 張諾希\t2 -> 謝汶熹", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "15/1 1 -> 張諾希\t2 -> 謝汶熹", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 10, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 52, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-01-15T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-01-15T05:08:48.006066Z", "ended": "2022-01-15T05:36:14.036147Z", "start_waiting": "2022-01-15T05:08:47.954182Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 3510, "name": "The secret tournament", "director": { "id": 86227, "username": "Marnoris", "country": "be", "icon": "https://user-uploads.online-go.com/39f6b7f59ab53b8afda31e32b27f7f83-64.png", "ratings": { "version": 5, "overall": { "rating": 1846.2593842282001, "deviation": 67.13077728483148, "volatility": 0.06001385388792682 } }, "ranking": 29.111556842413247, "professional": false, "ui_class": "" }, "description": "Only for members of the group", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 403, "name": "The Secret Study Group", "summary": "This is secret !", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://user-uploads.online-go.com/99ae6f24661a0c484e500e5eec53df29-64.png" }, "auto_start_on_max": false, "time_start": "2014-12-22T11:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2014-12-23T18:35:14.996654Z", "ended": "2016-02-19T23:23:52.367052Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/99ae6f24661a0c484e500e5eec53df29-15.png", "player_count": 4, "ranked": true }, { "id": 36946, "name": "Summer Lviv Tournament - Middle", "director": { "id": 79, "username": "oldyew", "country": "ua", "icon": "https://user-uploads.online-go.com/bb1683794b493824cb4605735bcfb9b7-64.png", "ratings": { "version": 5, "overall": { "rating": 1701.8220148096277, "deviation": 62.85467001495721, "volatility": 0.06003849944433308 } }, "ranking": 27.225707209453446, "professional": false, "ui_class": "" }, "description": "Summer Lviv Tournament - Middle", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 35520, "time_control_parameters": { "period_time": 604800, "main_time": 604800, "system": "canadian", "pause_on_weekends": false, "time_control": "canadian", "stones_per_period": 21, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1460, "name": "Lviv Club", "summary": "Lviv Go Players Group", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 28, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-05-07T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "invite", "started": "2018-05-07T09:00:13.563771Z", "ended": "2018-07-09T12:54:37.494883Z", "start_waiting": "2018-05-07T09:00:06.970932Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 3511, "name": "Sitewide December 2014 Double Elimination Tournament #2", "director": { "id": 784, "username": "mlopezviedma", "country": "ar", "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png", "ratings": { "version": 5, "overall": { "rating": 1574.8341986334494, "deviation": 62.44546334826878, "volatility": 0.05974674944331501 } }, "ranking": 25.43043733747297, "professional": false, "ui_class": "supporter moderator" }, "description": "### Enjoy one of the new tournament types: Double Elimination! :)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2014-12-18T21:00:00Z", "players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-12-18T21:00:11.174648Z", "ended": "2014-12-19T00:12:02.548104Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 17, "ranked": true } ] }
