Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=55
{ "count": 61455, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=56", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=54", "results": [ { "id": 31014, "name": "Tournament 39", "director": { "id": 12573, "username": "Misawa", "country": "us", "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png", "ratings": { "version": 5, "overall": { "rating": 977.5796256115817, "deviation": 69.02183474866371, "volatility": 0.05986671976150141 } }, "ranking": 14.391926363316212, "professional": false, "ui_class": "" }, "description": "Halloween tournament! If you don't celebrate Halloween in your country - it's a holiday where we celebrate things that are scary and pass out candy. So let's make this a scary tournament! 5 day time limit. No pause on weekends. Slaughter pairing. No rank restrictions. No handicap. No analysis. Chinese scoring (not sure why that would be scary...). At Halloween you also give out candy. So just remember - don't eat your go stones! They are not candy!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 91200, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 432000, "max_time": 432000, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 343, "name": "Global Go Club", "summary": "Open Go club for people anywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 596, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png" }, "auto_start_on_max": false, "time_start": "2017-10-31T18:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2017-10-31T18:02:06.667296Z", "ended": "2019-04-29T15:16:52.736540Z", "start_waiting": "2017-10-31T18:00:47.718168Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png", "player_count": 66, "ranked": true }, { "id": 39106, "name": "9x9 Double Elimination - October 2018", "director": { "id": 126739, "username": "🐬Sofiam🐬", "country": "_Olimpic_Movement", "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png", "ratings": { "version": 5, "overall": { "rating": 1012.0554496406809, "deviation": 84.91308607572303, "volatility": 0.076882078105041 } }, "ranking": 15.194279748149173, "professional": false, "ui_class": "" }, "description": "Everyone is welcome", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "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": 3025, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2018-10-15T13:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-10-15T13:00:44.656490Z", "ended": "2019-11-24T09:40:03.360210Z", "start_waiting": "2018-10-15T13:00:41.180634Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 66, "ranked": true }, { "id": 30962, "name": "Correspondence Weekly McMahon 19x19 2017-10-14 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20261019T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-10-19T17:00:05.690344Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-10-26T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "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": "2017-10-14T17:00:25.788826Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-10-14T17:01:30.513239Z", "ended": "2020-10-10T23:43:10.543093Z", "start_waiting": "2017-10-14T17:01:14.604666Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 66, "ranked": true }, { "id": 60284, "name": "Halloween 2020", "director": { "id": 503127, "username": "zombiewarrior88", "country": "un", "icon": "https://secure.gravatar.com/avatar/fb4e72418e490f4e6579d86b747db6f1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1214.311434818523, "deviation": 86.67575938156371, "volatility": 0.06001172103733663 } }, "ranking": 19.412067012948505, "professional": false, "ui_class": "" }, "description": "Welcome to another yearly tournament for Halloween. Enjoy your spooky stay. :)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "aga", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 86400 }, "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": 18216, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-01T03:00:00Z", "players_start": 1, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-11-01T03:00:31.882123Z", "ended": "2021-04-23T08:06:10.241023Z", "start_waiting": "2020-11-01T03:00:29.442237Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 66, "ranked": true }, { "id": 70501, "name": "Running Paw II: Fast Correspondence", "director": { "id": 109488, "username": "DVbS78rkR7NVe", "country": "un", "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2026.1476299885521, "deviation": 66.05609734432652, "volatility": 0.059874270189468615 } }, "ranking": 31.26391960044579, "professional": false, "ui_class": "" }, "description": "Only fast players are invited.\n\n<h2 style=\"color:red\">No vacation</h2>\n\nPlayers who use vacation mode are disqualified.\n\n<hr/>\n\nCheetahs on the Edge — Director's Cut | National Geographic \nhttps://youtu.be/THA_5cqAfCQ\n\n<hr/>\n\nJoin the group for more cat tournaments ^__^", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 28800, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6124, "name": "Leopard's Resting Tree", "summary": "A little corner for cat tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 312, "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png" }, "auto_start_on_max": false, "time_start": "2021-01-25T12:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2021-01-25T12:00:29.010934Z", "ended": "2021-06-06T08:08:25.519694Z", "start_waiting": "2021-01-25T12:00:21.986469Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png", "player_count": 66, "ranked": true }, { "id": 73482, "name": "Spring Olympic Games. 2021 (№7) (9x9)", "director": { "id": 776814, "username": "Korotrov 19", "country": "ua", "icon": "https://user-uploads.online-go.com/1c0b386e473e055af29bcaff72788ef6-64.png", "ratings": { "version": 5, "overall": { "rating": 1627.5011666778498, "deviation": 60.69603575167428, "volatility": 0.06006221360900416 } }, "ranking": 26.191975476154177, "professional": false, "ui_class": "" }, "description": "Hello everyone. The tournament will start when there are 75-100 people.", "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": true, "group": { "id": 7088, "name": "Группа для создания Турниров!!!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-05-31T21:00:00Z", "players_start": 75, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-06-01T13:59:16.801787Z", "ended": "2022-05-02T21:42:39.337285Z", "start_waiting": "2021-06-01T13:59:15.358662Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 66, "ranked": true }, { "id": 99235, "name": "2023.01 GO 19X19 tournament #2 8K～1d", "director": { "id": 1161013, "username": "朵兒普拉斯-doorplus-", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png", "ratings": { "version": 5, "overall": { "rating": 1151.0937500744108, "deviation": 63.06821920011851, "volatility": 0.05991569077389414 } }, "ranking": 18.174361096243295, "professional": false, "ui_class": "" }, "description": "Welcome and have fun ：）", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 58968, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 57600, "initial_time": 172800, "max_time": 691200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8304, "name": "club hikaru no go", "summary": "welcome all fan of Hikaru no go and on piece", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 116, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-64.png" }, "auto_start_on_max": true, "time_start": "2023-01-30T11:00:00Z", "players_start": 6, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 22, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-24T05:29:49.141028Z", "ended": "2024-03-12T15:04:28.553886Z", "start_waiting": "2023-01-24T05:29:43.315639Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png", "player_count": 66, "ranked": true }, { "id": 92300, "name": "Kyu battle!", "director": { "id": 940672, "username": "Yui_Chit", "country": "hk", "icon": "https://user-uploads.online-go.com/64c6a9c7efc232fff77bcfc11a09a4c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1110.6116860473835, "deviation": 61.698828697477296, "volatility": 0.0601323928627459 } }, "ranking": 17.34555300646516, "professional": false, "ui_class": "" }, "description": "This is the grand tournament for kyu players! Everyone is welcome!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 89280, "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": 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": 18216, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2022-08-30T16:00:00Z", "players_start": 10, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2022-08-30T16:00:28.760945Z", "ended": null, "start_waiting": "2022-08-30T16:00:24.503405Z", "board_size": 19, "active_round": 9, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 65, "ranked": true }, { "id": 141975, "name": "☀️ Go Magic July 9x9 ☀️", "director": { "id": 901303, "username": "Muff0", "country": "eu", "icon": "https://user-uploads.online-go.com/e04175e5267b560bb2448bb1867a73e7-64.png", "ratings": { "version": 5, "overall": { "rating": 1717.1738147675705, "deviation": 62.485807638366936, "volatility": 0.05986350399552763 } }, "ranking": 27.433602495197718, "professional": false, "ui_class": "" }, "description": "Time for a new monthly 9x9 tournament by Go Magic!\n\nPlease help us improve these tournaments by answering this very short poll: \n<a href=\"https://docs.google.com/forms/d/e/1FAIpQLSffkk6RLpYzZzO8Mp-9mXORIkkH5WAjZ-eo5Z3V7in-FpdLjA/viewform\" target=\"_blank\">Answer Poll</a>\n\n\n\nAll prizes are Go Magic Gift Cards\n\n\n🏆Prizes:\n\n1st Place: $100 \n2nd Place: $80 \n3rd Place: $60 \n\n🏆 Special Prizes (mutually exclusive with winning):\n\n6 Wins: $50 \n5 Wins: $30\n\nAll you have to do is register and be here at the starting time! The next rounds will start as soon as all the games are finished.\n\nThe expected total duration is about 1.5h\n\n⌚ **The start time is shown in your local timezone!!** \n**Absolute start time is:** \n**Saturday, July 18, 2026 7:00 PM UTC** \nAdd to your calendar: [**Google**](https://calendar.google.com/calendar/render?action=TEMPLATE&dates=20260718T190000Z%2F20260718T210000Z&details=&location=&text=Go%20Magic%20July%209x9%20) | [**Outlook**](https://outlook.live.com/calendar/0/action/compose?allday=false&body=&enddt=2026-07-18T23%3A00%3A00&location=&path=%2Fcalendar%2Faction%2Fcompose&rru=addevent&startdt=2026-07-18T21%3A00%3A00&subject=Go%20Magic%20July%209x9%20) \n \n🪄✨ Learn Go the Magical way at <a href=\"https://go.gomagic.org/X4LK1U\" target=\"_blank\">Go Magic</a>", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 18, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 7, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8605, "name": "Go Magic", "summary": "A modern platform for learning Go", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2313, "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-64.png" }, "auto_start_on_max": false, "time_start": "2026-07-18T19:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2026-07-18T19:00:49.692962Z", "ended": "2026-07-18T20:33:03.278781Z", "start_waiting": "2026-07-18T19:00:48.931709Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png", "player_count": 65, "ranked": false }, { "id": 141512, "name": "Fast no vacation tournament", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1077.5931804130996, "deviation": 63.839833240286865, "volatility": 0.0600527761345017 } }, "ranking": 16.646864836842262, "professional": false, "ui_class": "" }, "description": "Fast tournament, no vacation.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 86400, "max_time": 86400 }, "is_open": true, "exclude_provisional": false, "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": 840, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": true, "time_start": "2026-07-11T17:00:00Z", "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-07-11T17:00:20.119726Z", "ended": null, "start_waiting": "2026-07-11T17:00:19.294425Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 65, "ranked": true } ] }
