Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5812
{ "count": 60020, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5813", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5811", "results": [ { "id": 123360, "name": "13x13 New Zealand 5k-9d+ League #3", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "5k-9d+. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "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": true, "group": { "id": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-21T04:15:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 25, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-20T13:01:59.413416Z", "ended": "2025-03-24T17:34:44.579186Z", "start_waiting": "2025-01-20T13:01:59.249561Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 5, "ranked": true }, { "id": 115058, "name": "idk what to name it", "director": { "id": 1538261, "username": "Totally not kyu", "country": "th", "icon": "https://user-uploads.online-go.com/3558bfbccb4e0091c4bec6b1b421ab47-64.png", "ratings": { "version": 5, "overall": { "rating": 1731.2420929218047, "deviation": 217.64429451104508, "volatility": 0.05999798197535522 } }, "ranking": 27.62249064257909, "professional": false, "ui_class": "provisional" }, "description": "lose=death", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 256280, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 1814400, "period_time": 1209600, "stones_per_period": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11534, "name": "The G.O.A.Ts family", "summary": "<div style=\"borderr: 3px dashed #FFAFB0;background-color:#696969\">\n\n<h1><p style=\"color:#FFAFB0;\"> \nWelcome to group page!!!</p></h1>\n\n<b class=\"hr anim\"></b>\n\n<embed src=\"https://youtube.com/embed/0gG6dF-JTUo\"></embed>\n\n<p style=\"color:#FFAFB0;\"> \nListeni", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 45, "icon": "https://user-uploads.online-go.com/e067d02f314853a7758941027719b4a6-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T05:00:35.732438Z", "ended": null, "start_waiting": "2025-01-01T05:00:35.608611Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/e067d02f314853a7758941027719b4a6-15.png", "player_count": 9, "ranked": true }, { "id": 123429, "name": "9x9 Open D.E. Cup #160", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1317.1997592979628, "deviation": 70.59911507982548, "volatility": 0.060212816563961095 } }, "ranking": 21.294877184752988, "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/10842", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 708, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-12-22T20:05:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-21T16:25:26.202331Z", "ended": "2025-05-16T15:56:19.185478Z", "start_waiting": "2024-12-21T16:25:26.096228Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 8, "ranked": true }, { "id": 129176, "name": "ccccwqwwssaasseqafe", "director": { "id": 981779, "username": "deleted-fe81016d-a74d-483e-b0aa-9f42b87656bc", "country": "uy", "icon": "https://user-uploads.online-go.com/ae38549b5ba3e443fb6f64523d5dd97f-64.png", "ratings": { "version": 5, "overall": { "rating": 888.937769934309, "deviation": 66.82360641502292, "volatility": 0.0600304578278145 } }, "ranking": 12.191460664719907, "professional": false, "ui_class": "" }, "description": "faesfewewfewfeqw", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "ing", "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": false, "group": { "id": 13797, "name": " 无间勤碁术化 Go Advance forward forever", "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 495, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": true, "time_start": "2025-06-06T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-06T11:54:25.091001Z", "ended": "2025-06-06T12:11:17.695860Z", "start_waiting": "2025-06-06T11:54:24.992229Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 7, "ranked": true }, { "id": 123819, "name": "New year tournament", "director": { "id": 1675615, "username": "HACKER 23", "country": "un", "icon": "https://secure.gravatar.com/avatar/4a75f31988b89faab4672828ac5d9050?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1657.9072340501777, "deviation": 178.846638267968, "volatility": 0.06001407591970349 } }, "ranking": 26.620488751746564, "professional": false, "ui_class": "provisional" }, "description": "Happy New Year!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 44, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14915, "name": "Captain Tsubasa", "summary": "Football ⚽️", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/c788aa2a45ac1b2114ee2ed4b8d286ba-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T04:00:35.580336Z", "ended": "2025-01-01T07:47:24.195646Z", "start_waiting": "2025-01-01T04:00:35.501177Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c788aa2a45ac1b2114ee2ed4b8d286ba-15.png", "player_count": 5, "ranked": true }, { "id": 92284, "name": "【AI study 】very long tournament", "director": { "id": 1124710, "username": "Krios.", "country": "ca", "icon": "https://user-uploads.online-go.com/780748ce99b865915ca35d43164a4e94-64.png", "ratings": { "version": 5, "overall": { "rating": 1245.1005841409792, "deviation": 63.70392173609972, "volatility": 0.06008790899354921 } }, "ranking": 19.991722670953084, "professional": false, "ui_class": "" }, "description": "Join the group (AI study) to discuss all things go AI https://online-go.com/group/11990", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 2425920, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 2419200, "periods": 12 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11990, "name": "Ai study", "summary": "For players who play/study strong AI to discuss and connect.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://user-uploads.online-go.com/02c17ea82586becd8e82dc77b0aa1c1a-64.png" }, "auto_start_on_max": false, "time_start": "2022-07-18T21:00:00Z", "players_start": 50, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-07-19T01:19:03.306999Z", "ended": null, "start_waiting": "2022-07-19T01:19:02.999860Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/02c17ea82586becd8e82dc77b0aa1c1a-15.png", "player_count": 14, "ranked": true }, { "id": 123115, "name": "#26 Happy Tourney.", "director": { "id": 1144866, "username": "𝙿𝚞𝚝 𝙺.", "country": "001", "icon": "https://user-uploads.online-go.com/96e71b19d93c156edd85ce7fe2904c51-64.png", "ratings": { "version": 5, "overall": { "rating": 1148.8735548940083, "deviation": 66.18254731503043, "volatility": 0.06059977606338543 } }, "ranking": 18.129666952739633, "professional": false, "ui_class": "" }, "description": "26th happy tourney, I will create a new tournament with this name every Monday, have fun!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "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": 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": "2024-12-16T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-16T08:00:54.328667Z", "ended": "2025-01-19T08:57:15.561771Z", "start_waiting": "2024-12-16T08:00:54.275391Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 2, "ranked": true }, { "id": 103771, "name": "一個棋賽一個棋賽一個棋賽一個棋賽一個棋賽", "director": { "id": 1346582, "username": "林天舒huhx", "country": "hk", "icon": "https://user-uploads.online-go.com/1f44b26a614dc2ff18f6c6f64687a4ba-64.png", "ratings": { "version": 5, "overall": { "rating": 1355.3827347872684, "deviation": 122.46179415141465, "volatility": 0.060013576597944304 } }, "ranking": 21.95640664829912, "professional": false, "ui_class": "" }, "description": "希望大家踴躍參加", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "chinese", "time_per_move": 3714, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 14400, "period_time": 3600, "periods": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13221, "name": "Aisksk", "summary": "Aisksk,s", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://user-uploads.online-go.com/785079b411ce36aa3277688b219696bb-64.png" }, "auto_start_on_max": false, "time_start": "2023-05-29T12:00:00Z", "players_start": 1000, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-30T20:17:40.820597Z", "ended": "2025-09-08T20:18:18.236423Z", "start_waiting": "2025-08-30T20:17:40.741257Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/785079b411ce36aa3277688b219696bb-15.png", "player_count": 5, "ranked": true }, { "id": 123174, "name": "13x13 Turnier", "director": { "id": 1611173, "username": "IGS26133", "country": "de", "icon": "https://user-uploads.online-go.com/7de5b558e2c0283f2c9e08d4040fe31c-64.png", "ratings": { "version": 5, "overall": { "rating": 1371.8950114764393, "deviation": 206.60735455863636, "volatility": 0.06000653105344034 } }, "ranking": 22.23673297500876, "professional": false, "ui_class": "provisional" }, "description": "13x13 Turnier13x13 Turnier", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 15, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 300, "max_time": 900 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14546, "name": "IGS26133 Go-Club", "summary": "", "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": "2024-12-12T13:48:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-12-12T13:48:53.740788Z", "ended": "2024-12-12T14:25:17.156086Z", "start_waiting": "2024-12-12T13:48:53.589549Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 138590, "name": "World Star Monthly Match (March 2026)", "director": { "id": 481094, "username": "Danny Ling", "country": "my", "icon": "https://secure.gravatar.com/avatar/791e2af274d259b097e01771c6f5f061?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1932.9404306793977, "deviation": 62.361484752394034, "volatility": 0.05996744207601714 } }, "ranking": 30.17369608942008, "professional": false, "ui_class": "" }, "description": "Hello everyone, Let’s have a friendly match within the members in this group!!! Everyone is welcome to join. Hope everyone will enjoy the joy of the game! Good luck.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 12, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 7, "initial_time": 300, "max_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14930, "name": "World Star Go Academy Group", "summary": "“In Go, you are constantly making decisions that are either right or wrong.” — Yasunari Kawabata", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 59, "icon": "https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-64.png" }, "auto_start_on_max": false, "time_start": "2026-03-28T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-03-28T11:00:10.269573Z", "ended": "2026-03-28T11:34:10.220105Z", "start_waiting": "2026-03-28T11:00:10.018983Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-15.png", "player_count": 6, "ranked": true } ] }
