Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=max_ranking&page=5879
{ "count": 59416, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=5880", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=5878", "results": [ { "id": 81322, "name": "9 by 9 ~ Simultaneous McMahon ~ Open", "director": { "id": 933436, "username": "Bennydigs", "country": "in", "icon": "https://user-uploads.online-go.com/16840806b909d392a3790d37ae8f2f95-64.png", "ratings": { "version": 5, "overall": { "rating": 1404.113490111294, "deviation": 61.40084854645849, "volatility": 0.05995303924154076 } }, "ranking": 22.77411697203847, "professional": false, "ui_class": "" }, "description": "Lets play 9 by 9. Play to learn and have fun. Winning is a bonus.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9503, "name": "NineNine", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://user-uploads.online-go.com/41020490227e621ed3eb97ac20582a8a-64.png" }, "auto_start_on_max": false, "time_start": "2021-10-28T09:00:00Z", "players_start": 15, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-11-03T18:34:24.933852Z", "ended": "2023-02-16T13:41:25.043659Z", "start_waiting": "2021-11-03T18:34:23.843449Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/41020490227e621ed3eb97ac20582a8a-15.png", "player_count": 15, "ranked": true }, { "id": 47031, "name": "GOGO CAT 第一屆 87 盃友誼賽", "director": { "id": 622766, "username": "lihshye", "country": "tw", "icon": "https://user-uploads.online-go.com/70dc5a8f458012642633bbd3fd21db2c-64.png", "ratings": { "version": 5, "overall": { "rating": 954.0422048129288, "deviation": 87.91492358557785, "volatility": 0.060016868611965056 } }, "ranking": 13.827718344809373, "professional": false, "ui_class": "" }, "description": "來試試群組功能的麥克馬洪階梯賽，系統會自動讓子 XD", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "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": 3473, "name": "Gogo Cat", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2019-03-31T13:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-03-31T15:12:23.464891Z", "ended": "2019-04-21T05:23:28.239572Z", "start_waiting": "2019-03-31T15:12:23.329842Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 106309, "name": "19x19 Open D.E. Cup #34", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1344.1589287195943, "deviation": 66.80201481521684, "volatility": 0.06020475118942387 } }, "ranking": 21.7639053721297, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-13T21:05:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-13T13:53:42.144157Z", "ended": "2024-10-30T23:30:27.646942Z", "start_waiting": "2023-08-13T13:53:42.020369Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 47614, "name": "ㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂ", "director": { "id": 558045, "username": "부엉이", "country": "un", "icon": "https://secure.gravatar.com/avatar/95ac9d1de1831f2780c46022f2bc7cff?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1411.982949913696, "deviation": 109.6345803922846, "volatility": 0.059996831171109676 } }, "ranking": 22.903500657942956, "professional": false, "ui_class": "" }, "description": "ㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂ", "schedule": null, "title": null, "tournament_type": "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": 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": 17909, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-19T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-05-09T20:08:49.441849Z", "ended": "2019-06-05T11:54:19.135492Z", "start_waiting": "2019-05-09T20:08:48.715880Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 124275, "name": "แข่งแบบพบกันหมด", "director": { "id": 1649107, "username": "cp09", "country": "un", "icon": "https://secure.gravatar.com/avatar/5d72a7ec6ec9ea53f009c989b6a8e426?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 439.71188810084004, "deviation": 182.01931531263693, "volatility": 0.06000167051352297 } }, "ranking": 5, "professional": false, "ui_class": "provisional" }, "description": "12354896544", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14733, "name": "ศรีสังวาลย์", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/77a325d663f63d21c325d52de886e9e2-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-13T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2025-01-13T07:11:01.177853Z", "ended": "2025-01-13T07:13:23.873756Z", "start_waiting": "2025-01-13T07:11:01.087949Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/77a325d663f63d21c325d52de886e9e2-15.png", "player_count": 4, "ranked": true }, { "id": 58327, "name": "freitag 9x9 #1", "director": { "id": 54215, "username": "dol", "country": "de", "icon": "https://secure.gravatar.com/avatar/e30308eaac21189069c126f5ec0cadcd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1620.836921053784, "deviation": 66.09681914498434, "volatility": 0.05997592574890108 } }, "ranking": 26.096986901392405, "professional": false, "ui_class": "" }, "description": "simultanes 9x9-turnier mit vorgabe und langer fischerzeit!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "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": false, "group": { "id": 4604, "name": "Martha", "summary": "Spieltreff Martha", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 76, "icon": "https://user-uploads.online-go.com/03e3b412dc40088d78aaa8f39f57b16a-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-03T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-04-03T16:01:01.180524Z", "ended": "2020-04-15T16:10:24.884015Z", "start_waiting": "2020-04-03T16:00:59.850585Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/03e3b412dc40088d78aaa8f39f57b16a-15.png", "player_count": 6, "ranked": true }, { "id": 35957, "name": "Nottingham Go Club April 2018", "director": { "id": 261476, "username": "Ulyaoth", "country": "gb", "icon": "https://user-uploads.online-go.com/d6144da587a6b66d48f9178c80828af9-64.png", "ratings": { "version": 5, "overall": { "rating": 1327.7329667797278, "deviation": 62.12498096771621, "volatility": 0.060026357388284074 } }, "ranking": 21.479263759049143, "professional": false, "ui_class": "" }, "description": "Nottingham Go Club April 2018", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "period_time": 30, "main_time": 600, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 3, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 83, "name": "Nottingham Go Club", "summary": "Online Group for Go players in the Nottingham and Derby Area", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 91, "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-64.png" }, "auto_start_on_max": false, "time_start": "2018-04-01T13:10:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-04-05T08:09:14.548592Z", "ended": "2018-04-05T08:55:58.197641Z", "start_waiting": "2018-04-05T08:09:13.769268Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-15.png", "player_count": 4, "ranked": true }, { "id": 132693, "name": "13x13 Open League #48", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1344.1589287195943, "deviation": 66.80201481521684, "volatility": 0.06020475118942387 } }, "ranking": 21.7639053721297, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-19T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-10-18T12:42:44.554741Z", "ended": "2026-03-03T15:25:15.506060Z", "start_waiting": "2025-10-18T12:42:43.880431Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 113515, "name": "ทดสอบ ป.4", "director": { "id": 1304979, "username": "arcanis2u", "country": "un", "icon": "https://secure.gravatar.com/avatar/2527119d92dde00a45791e7b2fec99f7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1281.9350511842033, "deviation": 113.47103864284946, "volatility": 0.06001685765620799 } }, "ranking": 20.666646521290243, "professional": false, "ui_class": "" }, "description": "การทดสอบฝีมือแบบง่าย ป.4", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 25, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 25 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14105, "name": "โรงเรียนสามัคคีบำรุง", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 96, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-03-05T04:10:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-03-05T04:04:13.427246Z", "ended": "2024-03-05T04:30:08.487584Z", "start_waiting": "2024-03-05T04:04:13.196538Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 126796, "name": "Handicap Arena 2025 - 021", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1047.751568036602, "deviation": 63.98747462726221, "volatility": 0.06007316520805921 } }, "ranking": 15.996731506232393, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 105, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-28T18:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-27T05:16:04.636919Z", "ended": "2025-11-25T18:55:57.133517Z", "start_waiting": "2025-03-27T05:16:04.127549Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true } ] }
