HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58326,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4078",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4076",
"results": [
{
"id": 73455,
"name": "12th Kuksu Main 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": 2037.6915796724338,
"deviation": 69.68085573692971,
"volatility": 0.060155568684333575
}
},
"ranking": 31.395442104274068,
"professional": false,
"ui_class": "supporter"
},
"description": "<!-- 12th Kuksu Main Title Match - Board 1 -->\n\nTitle Holder: \n<a style=\"color:purple\" href='https://online-go.com/user/view/213536/'>SanDiego [Kuksu] 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>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</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 style=\"color:purple\">Kuksu</td>\n\t<td>Main</td>\n\t<td>2019</td>\n\t<td><a href='https://online-go.com/user/view/43936/Sadaharu'>Sadaharu [5d]</a></td>\n\t<td><a href='https://online-go.com/player/37892/'>tegais [6d]</a></td>\n\t<td><a href='https://online-go.com/game/view/33264083'>Board 1</a></td>\n\t<td><a href='https://online-go.com/tournament/73455'>Board 2</a></td>\n\t<td><a href='https://online-go.com/tournament/73456'>Board 3</a></td>\n\t<td><a href='https://online-go.com/tournament/73457'>Board 4</a></td>\n\t<td><a href='https://online-go.com/tournament/73458'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/47922'>Kuksu Main Title Tournament 12th Cycle</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": "korean",
"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": 2945,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-05-09T00:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2021-05-09T00:00:52.797920Z",
"ended": "2021-12-28T04:05:32.772414Z",
"start_waiting": "2021-05-09T00:00:52.693996Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
"player_count": 2
},
{
"id": 10637,
"name": "Correspondence 9x9 RoundRobin 2015-09-10 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:20251112T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-11-12T19:00:05.949663Z",
"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": "2025-11-15T19:00:00Z",
"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,
"max_time": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2015-09-10T01:00:36.066397Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-09-10T01:00:56.148132Z",
"ended": "2015-10-28T13:52:25.457932Z",
"start_waiting": "2015-09-10T01:00:55.199626Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 10
},
{
"id": 114027,
"name": "Mechagodzilla",
"director": {
"id": 1532479,
"username": "chana10750",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/f7b8cce1390ffbddc0d1c96324926dc7?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1337.6891060937023,
"deviation": 290.31896371798047,
"volatility": 0.05999967537233814
}
},
"ranking": 21.652208749198074,
"professional": false,
"ui_class": "provisional"
},
"description": "I’m not very good at this",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"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": 10297,
"name": "Cai Go Club",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 368,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2024-03-19T14:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 84763,
"name": "Round 1",
"director": {
"id": 1106630,
"username": "slowsnake",
"country": "un",
"icon": "https://user-uploads.online-go.com/32569a16e5c93730e454baebd603502f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1247.1774932381738,
"deviation": 205.91033514475248,
"volatility": 0.060005078936128955
}
},
"ranking": 20.03030621198432,
"professional": false,
"ui_class": "provisional"
},
"description": "Roung 1",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 3600,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 3600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10924,
"name": "Workaholics",
"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": false,
"time_start": "2022-01-12T06:14:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2022-01-12T06:14:19.196652Z",
"ended": "2022-01-12T07:52:47.626262Z",
"start_waiting": "2022-01-12T06:14:19.133864Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 122356,
"name": "13x13 New Zealand 15k-1k League #8",
"director": {
"id": 178104,
"username": "dexonsmith",
"country": "ca",
"icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1375.8309914548945,
"deviation": 67.96862811490783,
"volatility": 0.06063903861397135
}
},
"ranking": 22.303055453106015,
"professional": false,
"ui_class": "supporter"
},
"description": "15k-1k. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "nz",
"time_per_move": 90782,
"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": 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": 81,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-12-24T04:14:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 15,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-10T06:51:04.274993Z",
"ended": "2025-02-22T11:35:54.890159Z",
"start_waiting": "2024-12-10T06:51:04.014180Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
"player_count": 5
},
{
"id": 112542,
"name": "9x9 New Zealand 15k-1k League #1",
"director": {
"id": 178104,
"username": "dexonsmith",
"country": "ca",
"icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1375.8309914548945,
"deviation": 67.96862811490783,
"volatility": 0.06063903861397135
}
},
"ranking": 22.303055453106015,
"professional": false,
"ui_class": "supporter"
},
"description": "15k-1k. Starts when full.\n\nNew Zealand rules. 9x9 even. Round robin.\n\nFor more tournaments with New Zealand rules: https://online-go.com/group/14024",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "nz",
"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": 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": 81,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-02-14T19:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 15,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-12T12:14:40.107111Z",
"ended": "2024-04-05T07:06:09.455443Z",
"start_waiting": "2024-02-12T12:14:39.817235Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
"player_count": 5
},
{
"id": 12251,
"name": "Correspondence 13x13 RoundRobin 2015-11-08 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": 7,
"name": "Correspondence 13x13 RoundRobin",
"rrule": "DTSTART:20251111T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-11-11T19:00:05.548444Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 13,
"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": "2025-11-14T19:00:00Z",
"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,
"max_time": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2015-11-08T01:00:56.746153Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-11-08T01:01:16.617851Z",
"ended": "2016-02-20T20:43:55.763051Z",
"start_waiting": "2015-11-08T01:01:15.349384Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 10
},
{
"id": 124775,
"name": "Handicap tournament 31 01 2025",
"director": {
"id": 380817,
"username": "döskee",
"country": "zz",
"icon": "https://user-uploads.online-go.com/9b2153c750a7384cdad630699b7e138d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1319.7910781183296,
"deviation": 60.07997082192964,
"volatility": 0.058646156917320065
}
},
"ranking": 21.340375295061143,
"professional": false,
"ui_class": ""
},
"description": "Chinese rules",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": -1,
"rules": "chinese",
"time_per_move": 261251,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 259200,
"period_time": 259200,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3,
"name": "OGS",
"summary": "An open group for folks' who like OGS!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1769,
"icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-01-31T10:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 14,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-01-31T10:00:24.176057Z",
"ended": "2025-11-10T21:03:17.883972Z",
"start_waiting": "2025-01-31T10:00:24.020541Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png",
"player_count": 5
},
{
"id": 112229,
"name": "Sunday GO 13×13 21",
"director": {
"id": 1374105,
"username": "sitisan.e",
"country": "th",
"icon": "https://secure.gravatar.com/avatar/774040cf71da5944a8daf49c9e155efb?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 789.7653004936407,
"deviation": 64.97053073428337,
"volatility": 0.05998769851458218
}
},
"ranking": 9.453014299800758,
"professional": false,
"ui_class": ""
},
"description": "Fun 1 min per move",
"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": 109,
"icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-02-11T06:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-11T06:00:39.540564Z",
"ended": "2024-02-11T06:11:06.729217Z",
"start_waiting": "2024-02-11T06:00:39.477728Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png",
"player_count": 3
},
{
"id": 83484,
"name": "Classic W.D.D.T. XLI",
"director": {
"id": 929191,
"username": "EnsoZEN",
"country": "cz",
"icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1463.5820448380764,
"deviation": 67.30723430909097,
"volatility": 0.06004488935091738
}
},
"ranking": 23.734396346844115,
"professional": false,
"ui_class": ""
},
"description": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8129,
"name": "ZEN Go",
"summary": "The search for happiness is one of the chief sources of unhappiness.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 47,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-12-20T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-12-20T00:00:15.249576Z",
"ended": "2022-03-09T01:40:07.865679Z",
"start_waiting": "2021-12-20T00:00:15.128841Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
"player_count": 7
}
]
}
