Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5722
{ "count": 60023, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5723", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5721", "results": [ { "id": 73505, "name": "Correspondence 19x19 RoundRobin 2021-04-06 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260623T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-06-23T19:00:16.052448Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-06-26T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-04-06T19:00:36.328950Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-06T19:00:40.104198Z", "ended": "2021-09-16T05:45:58.942304Z", "start_waiting": "2021-04-06T19:00:37.425762Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 124856, "name": "19x19 New Zealand Open D.E. #20", "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": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Even games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "nz", "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": 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": "2025-02-08T04:19:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-04T05:12:34.349392Z", "ended": "2025-09-30T12:21:44.200607Z", "start_waiting": "2025-02-04T05:12:34.269360Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 8, "ranked": true }, { "id": 71406, "name": "Jed's anniversary", "director": { "id": 769861, "username": "rainncat", "country": "us", "icon": "https://user-uploads.online-go.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png", "ratings": { "version": 5, "overall": { "rating": 975.0308630931373, "deviation": 65.62894696966373, "volatility": 0.060026784983209604 } }, "ranking": 14.331490463627786, "professional": false, "ui_class": "" }, "description": "Hi everyone, this tournament was made for my rabbit. Today is his 5 month anniversary. Have fun everone!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 262080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 259200, "initial_time": 259200, "max_time": 864000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6843, "name": "bunny and squirrel", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://user-uploads.online-go.com/4fbbe44d15fe786fd4c4d0d540f0ee05-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-01T18:00:00Z", "players_start": 5, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-01T18:00:18.339102Z", "ended": "2021-09-17T13:10:37.933897Z", "start_waiting": "2021-03-01T18:00:17.811737Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4fbbe44d15fe786fd4c4d0d540f0ee05-15.png", "player_count": 9, "ranked": true }, { "id": 115691, "name": "✨Sunday GO and MORE ✨⛳🌄🌟 Hikaru no Go 🌑⚪️2025", "director": { "id": 1393499, "username": "Imtiyaz", "country": "th", "icon": "https://user-uploads.online-go.com/56a672954f96d68180eb8444196aec12-64.png", "ratings": { "version": 5, "overall": { "rating": 1033.3159040216926, "deviation": 64.37615916895315, "volatility": 0.06003245003586803 } }, "ranking": 15.675558851695177, "professional": false, "ui_class": "" }, "description": "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://wizardofcode1.github.io/styles.css\"\n\nfun for new year\n\n<img src=\"https://media1.tenor.com/m/O1-G64Dda9YAAAAd/hikaru-shindo-hikaru-no-go.gif\" width=\"259\" height=\"197\" alt=\"Hikaru Shindo Hikaru No Go GIF - Hikaru Shindo Hikaru No Go Hand Of God GIFs\" style=\"max-width: 518px;\">\n\n\n<img src=\"https://media1.tenor.com/m/nsYQKr2d8FcAAAAC/my-sunday-go-tournament-gif-for-ogs.gif\" width=\"518\" height=\"292.285140562249\" alt=\"My Sunday Go Tournament Gif For Ogs GIF - My Sunday Go Tournament Gif For Ogs GIFs\" style=\"max-width: 518px;\">\n\n<link rel=\"stylesheet\" type=\"text/css\" href=\"https://wizardofcode1.github.io/styles.css\">\n\n\n\nhttps://online-go.com/group/13675\n\n\n\n\n\n <p> <embed src=\"https://www.youtube.com/embed/-lycxqL-GHU\"width=\"685\" height=\"514\"> </p>\n\n<a href=\"https://online-go.com/tournament/110809\" onclick=\"alert('Button clicked!')\">\n <img src=\"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRdV0EItw59wDdhazq8zbZ9vEoN4g5zTO37sg&s\" alt=\"refresh mine profile click here\">\n</a>\n\n\n\n\n<a href=\"http://s01.flagcounter.com/more/lyQ6\"><img src=\"https://s01.flagcounter.com/count2/lyQ6/bg_FFFFFF/txt_000000/border_CCCCCC/columns_8/maxflags_250/viewers_0/labels_1/pageviews_0/flags_0/percent_0/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n\n\n\nWe love Go all we love Hikaru & Sai !!!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 45, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 0, "period_time": 45, "periods": 1 }, "is_open": true, "exclude_provisional": false, "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": 112, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-01T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T10:00:37.558359Z", "ended": "2025-01-01T10:24:32.834064Z", "start_waiting": "2025-01-01T10:00:37.388799Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png", "player_count": 21, "ranked": true }, { "id": 128519, "name": "Absolute Fortnight - September 2025", "director": { "id": 890983, "username": "fix.david", "country": "_DOOP", "icon": "https://secure.gravatar.com/avatar/34157ec878bbb302b2c3dd139c05ba1b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1612.3486462516446, "deviation": 66.83630398783903, "volatility": 0.0597617542421704 } }, "ranking": 25.975432472146977, "professional": false, "ui_class": "" }, "description": "No pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\nBeware that this is fast correspondence.\n\nAlso, please do not use AI.\n\nSmallest group point compensation: Players in the smallest group in each round will receive extra points such that the maximum obtainable point value is just one less than in the other groups.\n\nTournament series created by Macrophage\n_______________________________________________________\n\nPrevious tournament: https://online-go.com/tournament/126557\n\nNext tournament: https://online-go.com/tournament/130680", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 9573, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 1209600 }, "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": 828, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2025-09-01T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-01T19:00:17.136889Z", "ended": "2025-11-17T20:18:51.233962Z", "start_waiting": "2025-09-01T19:00:14.691691Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 36, "ranked": true }, { "id": 42733, "name": "Correspondence Weekly McMahon 19x19 2018-11-17 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:20260622T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-06-22T17:00:15.960784Z", "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": "2026-06-29T17:00:00Z", "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": "2018-11-17T17:00:30.740297Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-11-17T17:01:26.956713Z", "ended": "2021-04-23T14:01:31.561241Z", "start_waiting": "2018-11-17T17:01:07.750823Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 60, "ranked": true }, { "id": 107503, "name": "Pikachu Mew Go Competition He He", "director": { "id": 1236996, "username": "MingLau", "country": "hk", "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png", "ratings": { "version": 5, "overall": { "rating": 1096.7720932993345, "deviation": 68.49009970488365, "volatility": 0.06007608199521589 } }, "ranking": 17.055262959732918, "professional": false, "ui_class": "" }, "description": "It is for level 25 to 11 and only can have 2 to 100 chesser.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "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": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6427, "name": "Pokémon Go", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 52, "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-15T13:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 19, "analysis_enabled": true, "exclusivity": "open", "started": "2023-10-06T02:50:33.720212Z", "ended": "2023-10-12T04:38:45.032211Z", "start_waiting": "2023-10-06T02:50:33.596972Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-15.png", "player_count": 2, "ranked": true }, { "id": 140902, "name": "CHEERFUL GO #138 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 2054.1002399397503, "deviation": 70.15551552374649, "volatility": 0.05979157549607755 } }, "ranking": 31.58111260666615, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have fun!\n\nSingle elimination tournament every Thursday.\n\nPlease contact nobhaete directly if you have any questions.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "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": "2026-06-11T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2026-06-11T04:00:18.966238Z", "ended": null, "start_waiting": "2026-06-11T04:00:18.794231Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 18, "ranked": true }, { "id": 138217, "name": "19x19 Open D.E. Cup #164", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1293.2851288159748, "deviation": 70.63474169097069, "volatility": 0.06022023803937533 } }, "ranking": 20.870711401335065, "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": 76, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-03-15T22:05:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-14T23:18:49.692397Z", "ended": null, "start_waiting": "2026-03-14T23:18:49.531916Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 103482, "name": "HAPPY GO #24 Double Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 2054.1002399397503, "deviation": 70.15551552374649, "volatility": 0.05979157549607755 } }, "ranking": 31.58111260666615, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFIED! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.\n\nPlease note the change of the time system.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "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": "2023-05-28T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 33, "analysis_enabled": true, "exclusivity": "open", "started": "2023-05-28T04:00:58.093941Z", "ended": "2023-09-15T12:58:50.121052Z", "start_waiting": "2023-05-28T04:00:57.938849Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 12, "ranked": true } ] }
