Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=227
{ "count": 60056, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=228", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=226", "results": [ { "id": 69481, "name": "2021 토너먼트", "director": { "id": 831306, "username": "상어고양이 아빠", "country": "kr", "icon": "https://user-uploads.online-go.com/db60d9f14079d08540de384240548fd3-64.png", "ratings": { "version": 5, "overall": { "rating": 1379.3147955484346, "deviation": 65.91437466412411, "volatility": 0.060013537153480276 } }, "ranking": 22.361600527656655, "professional": false, "ui_class": "" }, "description": "https://online-go.com/group/7759<-Students go 학생바둑모임에 가입을 하시려면 주소를 클릭하세요.", "schedule": null, "title": null, "tournament_type": "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": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7759, "name": "Students go 학생바둑모임", "summary": "Students go 학생바둑모임", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/a9e9b91dd816cc432b88af9b238d9d64-64.png" }, "auto_start_on_max": true, "time_start": "2021-01-01T03:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-01T22:30:04.621597Z", "ended": "2021-03-12T19:12:17.214795Z", "start_waiting": "2021-01-01T22:30:04.438172Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/a9e9b91dd816cc432b88af9b238d9d64-15.png", "player_count": 5, "ranked": true }, { "id": 140025, "name": "9x9 Open League #157", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1336.799379857846, "deviation": 70.34201708802738, "volatility": 0.06022518250322503 } }, "ranking": 21.636806055764843, "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/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": "2026-05-17T19:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-05-15T19:39:08.255841Z", "ended": null, "start_waiting": "2026-05-15T19:39:07.889280Z", "board_size": 9, "active_round": 1, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 10, "ranked": true }, { "id": 122020, "name": "Победы!!", "director": { "id": 877073, "username": "Natan69", "country": "ru", "icon": "https://secure.gravatar.com/avatar/21b73c556d2dd7856a32ae118c3bbcbe?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1661.3523381776267, "deviation": 65.42891937469652, "volatility": 0.06005880195556489 } }, "ranking": 26.66854416136655, "professional": false, "ui_class": "" }, "description": "Хорошей игры!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 37, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13807, "name": "Лига Го", "summary": "", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/28d9f50ac6e126e122419fc2c6aef4b7-64.png" }, "auto_start_on_max": false, "time_start": "2024-11-10T09:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-10T09:00:12.669263Z", "ended": "2024-11-10T11:37:32.554450Z", "start_waiting": "2024-11-10T09:00:12.576040Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/28d9f50ac6e126e122419fc2c6aef4b7-15.png", "player_count": 6, "ranked": true }, { "id": 131751, "name": "Тест тест", "director": { "id": 1630400, "username": "yovenkonazarii", "country": "ua", "icon": "https://user-uploads.online-go.com/3265da699b61a9567cc126ace236d712-64.png", "ratings": { "version": 5, "overall": { "rating": 862.9553897194918, "deviation": 102.61054846649557, "volatility": 0.0600080753000502 } }, "ranking": 11.50473361658802, "professional": false, "ui_class": "" }, "description": "тест тест", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15140, "name": "Sakura", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-08-24T19:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2025-08-24T18:49:42.625906Z", "ended": "2025-08-24T18:50:28.367444Z", "start_waiting": "2025-08-24T18:49:42.597073Z", "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": 71017, "name": "Casual 9x9 tournament", "director": { "id": 839251, "username": "Mapledge", "country": "un", "icon": "https://user-uploads.online-go.com/014310fdc5f118f1a485818badd3b773-64.png", "ratings": { "version": 5, "overall": { "rating": 811.822879557998, "deviation": 98.79461305451053, "volatility": 0.06001611392915813 } }, "ranking": 10.090712867300997, "professional": false, "ui_class": "" }, "description": "First official club tournament!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "aga", "time_per_move": 20, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 20, "initial_time": 60, "max_time": 600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6730, "name": "Stony Brook Go Club", "summary": "ALL PLAYERS WELCOME!!!\n\nWe are a club group based at Stony Brook University. \n\nOur meetings times are Tuesdays and Thursdays 8-10PM via Zoom.\n\nRegardless of whether you are a beginner or a master, don't hesitate to come by to simply have some fun. \n\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 35, "icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-64.png" }, "auto_start_on_max": false, "time_start": "2021-02-05T02:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-02-05T01:31:56.196227Z", "ended": "2021-02-05T02:30:41.957054Z", "start_waiting": "2021-02-05T01:31:56.085188Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-15.png", "player_count": 5, "ranked": true }, { "id": 73209, "name": "Blitz tournemnet", "director": { "id": 647177, "username": "Kotrap", "country": "sg", "icon": "https://secure.gravatar.com/avatar/175bcdb2d57ed7921fa092e893bd8bdd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1358.5981009778875, "deviation": 75.27873350889153, "volatility": 0.06002967536264566 } }, "ranking": 22.011260213334108, "professional": false, "ui_class": "" }, "description": "This is a fast match", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 10, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 30, "max_time": 300 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3704, "name": "lions roar", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 62, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-03-29T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-29T21:10:31.048469Z", "ended": "2021-03-29T21:20:49.309071Z", "start_waiting": "2021-03-29T21:10:30.643574Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 87341, "name": "Honinbo Main 2018 Title Match - Board 2", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1991.6317803340953, "deviation": 66.95739044544156, "volatility": 0.060165754578996575 } }, "ranking": 30.866156808820882, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nHoninbo Main 2018 Title Match - Board 2\n-->\n\nTitle Holder: \n<a style=\"color:red\" href='https://online-go.com/user/view/43936/'>Sadaharu [Honinbo] x1+1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>12th</td>\n\t<td>2018</td>\n\t<td style=\"color:red\">Honinbo</td>\n\t<td>Main</td>\n\t<td><a style=\"color:red\" href='https://online-go.com/player/43936/'>Sadaharu [Honinbo]</a></td>\n\t<td><a href='https://online-go.com/player/51811/bigko'>bigko [6d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/42297311'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/87341'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/87342'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/87434'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/87344'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/37246'>Honinbo Main Title Tournament 2018</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2987, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2022-03-30T08:33:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2022-03-30T08:33:46.267009Z", "ended": "2022-05-03T13:42:46.660133Z", "start_waiting": "2022-03-30T08:33:46.221035Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 69657, "name": "新一年1月2日 上午C班", "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": "新一年1月2日 上午C班", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 480, "period_time": 10, "periods": 1 }, "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": "2021-01-02T04:00:00Z", "players_start": 5, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-01-02T03:37:42.118391Z", "ended": "2021-01-02T04:04:22.110749Z", "start_waiting": "2021-01-02T03:37:42.000511Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 110270, "name": "19x19 Open D.E. Cup #52", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1336.799379857846, "deviation": 70.34201708802738, "volatility": 0.06022518250322503 } }, "ranking": 21.636806055764843, "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", "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": 77, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-12-10T22:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-12-10T04:32:40.493285Z", "ended": "2025-01-29T04:30:38.201125Z", "start_waiting": "2023-12-10T04:32:40.381900Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 74637, "name": "1/5 何信霆\t馬悅思", "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": "1/5 何信霆\t馬悅思", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 25, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 480, "period_time": 20, "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": "2021-05-01T04:10:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-05-01T03:58:49.388629Z", "ended": "2021-05-01T04:19:43.945936Z", "start_waiting": "2021-05-01T03:58:49.239878Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true } ] }
