Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4423
{ "count": 59217, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4424", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4422", "results": [ { "id": 100613, "name": "WSC Absolute Moderator Correspondence", "director": { "id": 209826, "username": "Vsotvep", "country": "nl", "icon": "https://user-uploads.online-go.com/dbb1821b9d5d661e8afc1d31e2522832-64.png", "ratings": { "version": 5, "overall": { "rating": 1560.7214127748869, "deviation": 63.8107254176611, "volatility": 0.06003360431814359 } }, "ranking": 25.222044797641196, "professional": false, "ui_class": "supporter moderator" }, "description": "Another moderator tournament to celebrate the WSC: let's play some games and finish them within the same month. :)\n\nEveryone is welcome of course, regardless of WSC participation.\n\n2 weeks absolute time per player, so the games will end before 28 days, but be careful about timing out. Pausing & Vacation are at your own risk.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "chinese", "time_per_move": 9573, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 723, "name": "Moderators", "summary": "OGS Moderators", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 23, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2023-03-02T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2023-03-02T13:00:08.963330Z", "ended": "2023-04-26T16:04:49.363876Z", "start_waiting": "2023-03-02T13:00:08.792780Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 5, "ranked": true }, { "id": 89372, "name": "3 -> 李沛蓮 4 -> 許淳博", "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": "3 -> 李沛蓮\n4 -> 許淳博", "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": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-04-30T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-04-30T02:48:38.498313Z", "ended": "2022-04-30T03:08:04.586302Z", "start_waiting": "2022-04-30T02:48:38.443249Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 78378, "name": "9x9 Traditional monthly tournament IX/21", "director": { "id": 929191, "username": "EnsoZEN", "country": "cz", "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png", "ratings": { "version": 5, "overall": { "rating": 1463.5820448380764, "deviation": 67.30723430909097, "volatility": 0.06004488935091738 } }, "ranking": 23.734396346844115, "professional": false, "ui_class": "" }, "description": "☸️ Have ZEN!🧘", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 48, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-31T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-31T23:00:52.597053Z", "ended": "2021-10-13T17:42:39.021276Z", "start_waiting": "2021-08-31T23:00:51.818818Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 9, "ranked": true }, { "id": 54923, "name": "Correspondence 9x9 RoundRobin 2019-12-21 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260402T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-02T19:00:15.771573Z", "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": "2026-04-05T19:00:00Z", "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": "2019-12-21T19:00:05.392750Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-12-21T19:00:18.484182Z", "ended": "2020-02-20T17:21:58.555131Z", "start_waiting": "2019-12-21T19:00:13.188035Z", "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": 95021, "name": "The Grand DoubleD Kyu Tournament🏆", "director": { "id": 1021790, "username": "Deleted-qoruy87gbua", "country": "001", "icon": "https://secure.gravatar.com/avatar/1825039a70ac68def4a9365e98f6ee99?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1714.3567225380107, "deviation": 63.72242639055628, "volatility": 0.060051034742441015 } }, "ranking": 27.39559280881667, "professional": false, "ui_class": "" }, "description": "I am holding this tournament so that I can help players in this tournament to review their games. Hopefully I can get to know more like-minded individuals who wants to improve and advance in their Go journey. Please only join if you are interested.\n\nALL GAMES WILL BE REVIEWED BY ME", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "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": 17872, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2022-09-30T16:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-30T16:00:54.578113Z", "ended": "2023-11-30T09:24:52.084431Z", "start_waiting": "2022-09-30T16:00:54.322706Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 18, "ranked": true }, { "id": 121851, "name": "Go to Go war", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "<h3><a Href=\"https://online-go.com/group/13797\"><span style=\"color:gold;\"><u> Go advance forward forever<a Href=\"https://online-go.com/group/13797\">welcome to join</u>\n</a></h3>\n\n<a href=\"https://info.flagcounter.com/BXAY\"><img src=\"https://s01.flagcounter.com/map/BXAY/size_m/txt_000000/border_CCCCCC/pageviews_1/viewers_0/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n<H1>Go to Go war</H1>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "aga", "time_per_move": 19147, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 2419200 }, "is_open": true, "exclude_provisional": true, "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": 496, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-06T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-06T07:34:00.792803Z", "ended": "2025-01-07T14:54:10.775098Z", "start_waiting": "2024-11-06T07:34:00.075861Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 10, "ranked": true }, { "id": 127182, "name": "20k-15k Fast Correspondence Round-Robin #1", "director": { "id": 1408189, "username": "msaari", "country": "fi", "icon": "https://user-uploads.online-go.com/d84f8843f1ada4bb45291df34e84950f-64.png", "ratings": { "version": 5, "overall": { "rating": 1002.6163704657981, "deviation": 62.76521506097277, "volatility": 0.05974198209363873 } }, "ranking": 14.97735480821881, "professional": false, "ui_class": "" }, "description": "Fast round-robin tournament for mid-level DDK players (20k to 15k). No handicaps, NZ rules, Fischer time with 2-day main time and 12 hours per move.\n\nShort vacations are allowed.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "time_per_move": 44568, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 819, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-20T05:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-10T05:29:48.220986Z", "ended": "2025-05-22T04:26:09.253633Z", "start_waiting": "2025-04-10T05:29:47.747400Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 112396, "name": "19x19 Open League #45", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.2325960910043, "deviation": 68.25218422705018, "volatility": 0.06020103685150074 } }, "ranking": 21.418151631775086, "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": 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": 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": "2024-02-18T22:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-18T08:35:05.163016Z", "ended": "2024-05-07T02:16:24.660555Z", "start_waiting": "2024-02-18T08:35:04.506491Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 114658, "name": "7/4 練習賽", "director": { "id": 732914, "username": "Myosu", "country": "hk", "icon": "https://user-uploads.online-go.com/3e8044bfa5bfb2689285ad63b474e524-64.png", "ratings": { "version": 5, "overall": { "rating": 2216.1194440671634, "deviation": 71.86629998446274, "volatility": 0.06019266480191935 } }, "ranking": 33.338654947917895, "professional": false, "ui_class": "" }, "description": "7/4 練習賽", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 60, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10046, "name": "Hiroki’s Group", "summary": "", "require_invitation": false, "is_public": true, "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": "2024-04-07T12:10:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-07T12:06:12.943309Z", "ended": "2024-04-07T12:57:36.001739Z", "start_waiting": "2024-04-07T12:06:12.803079Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 115446, "name": "Tournament", "director": { "id": 1368113, "username": "Emilychua8383", "country": "sg", "icon": "https://user-uploads.online-go.com/1bf203a895bcae2b6b02dd2ff390cbf0-64.png", "ratings": { "version": 5, "overall": { "rating": 170.76200523679086, "deviation": 102.84907627659427, "volatility": 0.05999649217980759 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 87084, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 86400, "periods": 10 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13675, "name": "Sunday GO and MORE", "summary": "You can't miss this group, join now!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 109, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png" }, "auto_start_on_max": false, "time_start": "2024-04-27T12:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-10T10:01:38.659613Z", "ended": "2024-08-14T21:29:57.379784Z", "start_waiting": "2024-05-10T10:01:38.523225Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png", "player_count": 6, "ranked": true } ] }
