Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4729
{ "count": 60400, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4730", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4728", "results": [ { "id": 34354, "name": "Normal Elimination 8 players (#30)", "director": { "id": 211504, "username": "Why am I playing", "country": "th", "icon": "https://user-uploads.online-go.com/5871c4b800476f93d2a66a0cb3e618cb-64.png", "ratings": { "version": 5, "overall": { "rating": 1559.0919502754434, "deviation": 69.84935092039798, "volatility": 0.06153589767848298 } }, "ranking": 25.197862543190354, "professional": false, "ui_class": "" }, "description": "Start when Tournament have 8 players", "schedule": null, "title": null, "tournament_type": "elimination", "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": false, "group": { "id": 454, "name": "Tournament Club", "summary": "Welcome to the TOURNAMENT CLUB, a remake of the 'Kyu Tournament Group'.\n\nIn this group, you will be able to participate in competitions for your level so that you will have a fair chance of winning! We also have special competitions that require special ru", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 77, "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-64.png" }, "auto_start_on_max": true, "time_start": "2018-02-07T09:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-02-13T08:37:21.814506Z", "ended": "2018-03-13T03:25:09.167834Z", "start_waiting": "2018-02-13T08:37:21.329398Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-15.png", "player_count": 8, "ranked": true }, { "id": 126894, "name": "Handicap Arena 2025 - 023", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1044.7869872490749, "deviation": 64.03248174081276, "volatility": 0.06007062803359253 } }, "ranking": 15.931136450910842, "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": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-03T15:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-03T07:32:50.333639Z", "ended": "2025-11-25T03:08:27.411419Z", "start_waiting": "2025-04-03T07:32:49.822708Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 99101, "name": "Correspondence 9x9 RoundRobin 2023-01-19 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260725T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-07-25T19:00:53.226776Z", "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": "2026-07-28T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": "2023-01-19T19:00:22.702933Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-19T19:00:24.497369Z", "ended": "2023-02-11T13:08:32.489251Z", "start_waiting": "2023-01-19T19:00:23.965809Z", "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": 98780, "name": "Melee 13x13 Tournament: 2023-01-13", "director": { "id": 741522, "username": "wolfmeister", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1209.6169056480942, "deviation": 65.52079638031556, "volatility": 0.06013235595814508 } }, "ranking": 19.32239564406787, "professional": false, "ui_class": "" }, "description": "Clock: Absolute: 3 weeks total play time per player. Pauses on weekends.\n\nPlay async or live via video. Your choice.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 30675, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 1814400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6518, "name": "Madison Google Go", "summary": "Nominally a social league for the MSN site, but friendly, casual players from other sites welcome. Make sure to join the Hangouts room, go-msn@ group for announcements! Please send an *INTERNAL* email to the organizers to join. We don't always notice OG", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 18, "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png" }, "auto_start_on_max": true, "time_start": "2023-01-13T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2023-01-13T07:00:36.616825Z", "ended": "2023-02-24T01:08:51.863145Z", "start_waiting": "2023-01-13T07:00:36.333234Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png", "player_count": 5, "ranked": true }, { "id": 99712, "name": "Lviv Winter", "director": { "id": 79, "username": "oldyew", "country": "ua", "icon": "https://user-uploads.online-go.com/bb1683794b493824cb4605735bcfb9b7-64.png", "ratings": { "version": 5, "overall": { "rating": 1699.5414552087682, "deviation": 62.81481515784271, "volatility": 0.06003174512966973 } }, "ranking": 27.19466379810587, "professional": false, "ui_class": "" }, "description": "Let it snow.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 33587, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 604800, "stones_per_period": 21 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1460, "name": "Lviv Club", "summary": "Lviv Go Players Group", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 28, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-02-11T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2023-02-11T15:00:10.602745Z", "ended": "2023-04-04T08:13:20.389542Z", "start_waiting": "2023-02-11T15:00:10.489758Z", "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": 123276, "name": "9x9 Mini League 5k-15k #107", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1304.995061220811, "deviation": 69.9190921576543, "volatility": 0.0602391065920525 } }, "ranking": 21.07937771191424, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 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": true, "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": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-12-22T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-19T14:11:05.841978Z", "ended": "2025-01-13T18:22:06.783048Z", "start_waiting": "2024-12-19T14:11:05.670946Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 6439, "name": "Test Trounament", "director": { "id": 131039, "username": "lukaluke", "country": "ca", "icon": "https://user-uploads.online-go.com/a47bee11a1cf363b48cfc27585e46d42-64.png", "ratings": { "version": 5, "overall": { "rating": 1085.9545973287964, "deviation": 65.21882589352167, "volatility": 0.06006406595992478 } }, "ranking": 16.82580034941682, "professional": false, "ui_class": "supporter" }, "description": "Just to see how it goes.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 584, "name": "The AB Sees of Go", "summary": "Where absolutely no one likes anime", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 7, "icon": "https://user-uploads.online-go.com/e78175cc76b7ff3025206ce48cc68646-64.png" }, "auto_start_on_max": false, "time_start": "2015-04-12T00:05:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-04-18T08:11:00.750916Z", "ended": "2015-07-30T01:01:10.756084Z", "start_waiting": "2015-04-18T08:11:00.616020Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/e78175cc76b7ff3025206ce48cc68646-15.png", "player_count": 4, "ranked": true }, { "id": 128426, "name": "9x9 Mini League 10k-25k #299", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1304.995061220811, "deviation": 69.9190921576543, "volatility": 0.0602391065920525 } }, "ranking": 21.07937771191424, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 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": true, "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": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-05-18T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-17T02:34:50.439362Z", "ended": "2025-05-29T18:14:03.087042Z", "start_waiting": "2025-05-17T02:34:50.191969Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 100025, "name": "12/2 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": "12/2練習賽", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 3 }, "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": "2023-02-12T03:39:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-02-12T03:39:43.439762Z", "ended": "2023-02-12T04:49:50.599667Z", "start_waiting": "2023-02-12T03:39:43.275617Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 121396, "name": "Club 37. The Extraordinary Story of Oak Island.", "director": { "id": 881921, "username": "GrandPa Frog", "country": "ru", "icon": "https://user-uploads.online-go.com/5fb556e66c2a6329343862ba69d68976-64.png", "ratings": { "version": 5, "overall": { "rating": 1389.7430311055082, "deviation": 63.68664986900685, "volatility": 0.059849518549770615 } }, "ranking": 22.53596654639986, "professional": false, "ui_class": "" }, "description": "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://<pavelgvozdev.ru/ogs_tournament>/<tournament.css>\">\n\n<p>Friends!!!</p>\n \n<p>GrandPa Frog and the Secret Society of Necromancers “Death Through Hane” are hosting a tournament for 3-7 kyu, “Club 37. The Extraordinary Story of Oak Island.” There are many interesting and mysterious things in the world. For example, the game of Go, the mystery of Oak Island., the disappearance of Ivan the Terrible's library, the disappearance of the Amber Room, the Huashan Cave in China. Today, let's remember the extraordinary history of Oak Island.</p> \n\n<p>\n<embed src=\"https://www.youtube.com/embed/RkW6osgHIus?si=13mF9UOTvj1Lf6RA\" width=\"640\" height=\"480\"><br>\nOur wonderful world.\n</p>\n\n\n<p>Life was so much better when I was a teenager. The grass was greener, the sun was brighter, and the girls were prettier. And mysteries were much scarier and more mysterious. So, when I was a teenager I got my hands on the magazine “Around the World” for April 1974 (this is the <a href=\"https://web.archive.org/web/20141024141009/http://www.vokrugsveta.ru/vs/article/5056/\">article</a> from my childhood). It had an article called “The Extraordinary Story of Oak Island.” It was the most amazing treasure story I had ever read in my life. In my opinion, it was even better than R.L. Stevenson's Treasure Island story.</p>\n\n<p><a href=\"https://en.wikipedia.org/wiki/Oak_Island_mystery\">The Mystery of Oak Island</a> is a series of stories and legends about buried treasure and unexplained objects found on or near Oak Island in Nova Scotia. Since the 18th century, attempts have been made to find treasure and artifacts. Hypotheses about artifacts present on the island range from pirate treasure to Shakespearean manuscripts to the Holy Grail or Ark of the Covenant, with the Grail and Ark having been buried there by the Knights Templar. Over the years, various items have been discovered on the island, some of which have since turned hundreds of years old. While these items may be considered treasure in themselves, no significant main treasure location has ever been found. Excavations have been conducted by numerous individuals and groups of people. The original mine, the location of which is unknown today, was dug by the first explorers and is known as the “money pit.”</p>\n\n<p>And now for the fun part, the prizes! Each participant in this unofficial tournament will receive an unofficial prize - Tasks on Tsumego “Comprehensive Go Test for Kids”, 1000 problems (少儿围棋综合测试1000题 10级到1段上中下3本书正版现货). Three volumes Level: 10 kyu to 1 Chinese dan Answers at the end. A link to the book will be posted in the tournament chat for a few days after the tournament starts. Since the chat room is periodically cleared of messages, the link will be removed after some time. If you haven't had a chance to download the book, post in the tournament chat and I'll post the link again.</p>\n\n<p>Something about the regulations. Please note that each move adds 1 day to the time, but no more than 3 days. Time is suspended on weekends. This means that you must make one move per day.</p>\n\n<p>Regards,<br> \nGrandpa Frog.</p>", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 13337, "name": "Тайное общество некромантов \"Смерть через хане\"", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 23, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-11-11T12:00:00Z", "players_start": 12, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 23, "max_ranking": 27, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-11T12:00:14.256704Z", "ended": "2026-01-31T03:12:50.735866Z", "start_waiting": "2024-11-11T12:00:12.663274Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 29, "ranked": true } ] }
