Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1473
{ "count": 58868, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1474", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1472", "results": [ { "id": 116312, "name": "May 2024 DDK Fast Correspondence Tournament", "director": { "id": 58836, "username": "DrQuantum", "country": "us", "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png", "ratings": { "version": 5, "overall": { "rating": 999.3262640113719, "deviation": 63.0399277600447, "volatility": 0.05896584483680153 } }, "ranking": 14.901262684816409, "professional": false, "ui_class": "" }, "description": "Just a tournament for DDKs - 12 hour increment, 3 days max time (but weekends are paused).", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 45251, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8850, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": true, "time_start": "2024-05-31T14:00:00Z", "players_start": 12, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-14T09:32:25.539959Z", "ended": "2025-11-03T18:40:57.844904Z", "start_waiting": "2025-02-14T09:32:25.080652Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 12, "ranked": true }, { "id": 67998, "name": "I hate obe and how he is streaming this", "director": { "id": 877300, "username": "momiji172", "country": "un", "icon": "https://secure.gravatar.com/avatar/94d59f45fc45817468d20160540da349?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500.0, "deviation": 350.0, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "I hate obe and how he is streaming this", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 7363, "name": "Mo's Prose", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-11-19T00:30:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-11-19T00:28:59.919692Z", "ended": "2020-11-19T00:29:28.069799Z", "start_waiting": "2020-11-19T00:28:59.758947Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 61935, "name": "Honinbo Main 2016 Title Match - Board 3", "director": { "id": 199065, "username": "Kuksu League", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500.0, "deviation": 350.0, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "<!-- \nHoninbo Main 2016 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:red\" href='https://online-go.com/user/view/43936/'>Sadaharu [Honinbo] x1</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>10th</td>\n\t<td>2016</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/user/view/43936/Sadaharu'>Sadaharu [Honinbo]</a></td>\n\t<td><a href='https://online-go.com/player/153042/meteor'>meteor (1d)</a></td>\n\t<td><a href='https://online-go.com/tournament/61811'>Board 1</a></td>\n\t<td><a href='https://online-go.com/tournament/61934'>Board 2</a></td>\n\t<td><a href='https://online-go.com/tournament/61935'>Board 3</a></td>\n\t<td><a href='https://online-go.com/tournament/61936'>Board 4</a></td>\n\t<td><a href='https://online-go.com/tournament/61937'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/15379'>Honinbo Main Title Tournament 2016</a>", "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": false, "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": 2965, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-16T03:40:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-06-16T03:40:05.439744Z", "ended": "2020-08-20T05:43:48.857018Z", "start_waiting": "2020-06-16T03:40:05.162348Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 25741, "name": "Summer correspondence", "director": { "id": 433912, "username": "Kyu_player,", "country": "_United_Federation_of_Planets", "icon": "https://user-uploads.online-go.com/2d6efcdc3b4bb5d300681a41449304b6-64.png", "ratings": { "version": 5, "overall": { "rating": 2544.1063215649483, "deviation": 71.23715854054993, "volatility": 0.06071470989936724 } }, "ranking": 36.533858911559975, "professional": false, "ui_class": "bot" }, "description": "All players are welcome,", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "period_time": 86400, "speed": "correspondence", "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 3, "main_time": 0 }, "is_open": true, "exclude_provisional": false, "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": 2965, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": true, "time_start": "2017-03-25T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-03-25T18:00:11.347696Z", "ended": "2017-06-17T03:25:20.477713Z", "start_waiting": "2017-03-25T18:00:08.244573Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 8, "ranked": true }, { "id": 20057, "name": "Correspondence 9x9 RoundRobin 2016-08-23 01:00", "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:20260306T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-06T19:00:20.740041Z", "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": "2026-03-09T19:00:00Z", "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": "2016-08-23T01:00:23.536277Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-08-23T01:00:48.763024Z", "ended": "2018-03-19T21:03:40.631403Z", "start_waiting": "2016-08-23T01:00:44.665982Z", "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": 57687, "name": "Malkovich log round robin DDK", "director": { "id": 77171, "username": "Peter K", "country": "au", "icon": "https://user-uploads.online-go.com/29a332f82bbd88cab24c288314be91ff-64.png", "ratings": { "version": 5, "overall": { "rating": 1629.0441217343, "deviation": 64.32340729545075, "volatility": 0.059934942399653884 } }, "ranking": 26.213912473226987, "professional": false, "ui_class": "" }, "description": "You are expected to comment your moves in your Malkovich log. You are also expected to play reasonably fast so that the tournament ends within a couple of weeks and everyone can discuss the games together.\n\nWhile we don’t want to make any strict rules about no holidays at all or how much you need to write in your log players can and will be disqualified if they still neglect these things after a warning.\n\nYou are also encouraged to comment on other players’ games. You have three games of your own and three games of other people to comment upon.\n\nPlease sign up only if you are interested in an active and interactive learning tournament.\n\nIf you want to get notifications of Malko tournaments sign up to the group https://online-go.com/group/794\n\nIf you want other rank restrictions or settings contact me or simply start another tournament from my Malkovich group.\n\nAt the start of your game, copy and paste the following text into your game chat:\n\n*\n---------------------\nMALKOVICH GAME\nRecord your thoughts and possible plays/outcomes in your Malkovich log as you play to help you during the game and others when they review it. \n---------------------", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 89280, "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": 794, "name": "Malkovich group of Wulfenia", "summary": "Malkovich tournament launching place", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 20, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-05-01T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-01T07:00:11.914950Z", "ended": "2020-08-30T20:19:43.855946Z", "start_waiting": "2020-05-01T07:00:07.737853Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 103327, "name": "OST - Olympic System Tournament", "director": { "id": 1033608, "username": "NetCat", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1406.6650193080409, "deviation": 70.55993802829255, "volatility": 0.06003444046653894 } }, "ranking": 22.81614654991628, "professional": false, "ui_class": "" }, "description": "Tournaments are held every Saturday\n\nJoin the OST community (^-^)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11969, "name": "OST GO", "summary": "For Olympic tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": false, "time_start": "2023-06-24T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-06-24T14:00:27.841030Z", "ended": "2025-02-03T21:26:01.764482Z", "start_waiting": "2023-06-24T14:00:27.580875Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 30, "ranked": true }, { "id": 23219, "name": "Tournament 26", "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": "Happy New Year! New Years Resolution: More go! Start the year off instantly with a new tournament. Enter into the Chat Window what rank you hope to achieve by the end of 2017. Best wishes to everyone in 2017!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "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": 591, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png" }, "auto_start_on_max": false, "time_start": "2017-01-01T08:01:00Z", "players_start": 10, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "group", "started": "2017-01-01T08:01:25.616310Z", "ended": "2019-03-02T15:33:41.202023Z", "start_waiting": "2017-01-01T08:01:24.382477Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png", "player_count": 20, "ranked": true }, { "id": 136888, "name": "9x9 Mini League 1k-9k #165", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1436.3177780288543, "deviation": 69.7593645229634, "volatility": 0.06017104059346373 } }, "ranking": 23.299080361276342, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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": 694, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-02-08T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-06T04:52:38.848131Z", "ended": "2026-03-04T03:50:00.759619Z", "start_waiting": "2026-02-06T04:52:38.617410Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 136231, "name": "13x13 Mini League 5k-15k #28", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1085.853799560171, "deviation": 67.3768163524415, "volatility": 0.060025167068784406 } }, "ranking": 16.823651478136373, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-01-23T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-20T20:25:40.729620Z", "ended": "2026-02-27T18:39:55.041987Z", "start_waiting": "2026-01-20T20:25:40.517594Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true } ] }
