HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58748,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=5130",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=5128",
"results": [
{
"id": 99140,
"name": "How to weed your garden 9x9",
"director": {
"id": 802455,
"username": "royz",
"country": "au",
"icon": "https://user-uploads.online-go.com/03f18f62a0f75ee67216749ada869453-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1156.0880669704966,
"deviation": 64.00919031123213,
"volatility": 0.06007145109181084
}
},
"ranking": 18.27458606844186,
"professional": false,
"ui_class": ""
},
"description": "Check the group description.",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "nz",
"time_per_move": 95543,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 259200,
"period_time": 86400,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3207,
"name": "New Zealand Tournaments",
"summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 592,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-01-22T01:00:00Z",
"players_start": 6,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-02-08T22:28:27.356015Z",
"ended": "2023-07-11T09:49:11.179645Z",
"start_waiting": "2023-02-08T22:28:27.037112Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 97434,
"name": "9x9 Open League #53",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1286.2719941592866,
"deviation": 73.02024134436525,
"volatility": 0.060145553827939076
}
},
"ranking": 20.744833617220277,
"professional": false,
"ui_class": ""
},
"description": "Open league for everyone. Tournament will be started as soon as 10 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",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": false,
"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": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2022-12-11T21:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-12-12T00:31:40.216267Z",
"ended": "2023-01-24T18:48:39.207327Z",
"start_waiting": "2022-12-12T00:31:39.647642Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 63718,
"name": "Ninja !",
"director": {
"id": 809304,
"username": "潘溢熙",
"country": "hk",
"icon": "https://secure.gravatar.com/avatar/c67d77efc504e46f6a81d1933dd7f2d8?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1461.0705207393687,
"deviation": 64.97947709980409,
"volatility": 0.05990921865162056
}
},
"ranking": 23.694636549142736,
"professional": false,
"ui_class": ""
},
"description": "Ninja!",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 1,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "blitz",
"pause_on_weekends": false,
"time_increment": 1,
"initial_time": 10,
"max_time": 90
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 6406,
"name": "Ninja warrior",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 0,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-07-30T04:54:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-07-30T04:54:20.805787Z",
"ended": "2020-07-30T04:58:55.286348Z",
"start_waiting": "2020-07-30T04:54:20.697838Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2,
"ranked": true
},
{
"id": 62313,
"name": "Live 9x9 Double Elimination Tournament 2020-06-23 22:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20251219T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-12-19T14:01:05.550971Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 100
},
"next_run": "2025-12-19T18:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 33,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2020-06-23T22:30:02.670478Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-06-23T22:30:04.215259Z",
"ended": "2020-06-23T22:54:39.543853Z",
"start_waiting": "2020-06-23T22:30:03.800906Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 5,
"ranked": true
},
{
"id": 100489,
"name": "Live 9x9 Double Elimination Tournament 2023-02-25 18:30",
"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": 2,
"name": "Live 9x9 Double Elimination Tournament",
"rrule": "DTSTART:20251219T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:22:51.496184Z",
"last_run": "2025-12-19T14:01:05.550971Z",
"lead_time_seconds": 1800,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"size": 9,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 100
},
"next_run": "2025-12-19T18:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 41,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 300,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2023-02-25T18:30:57.379765Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-02-25T18:30:58.728941Z",
"ended": "2023-02-25T19:15:30.821455Z",
"start_waiting": "2023-02-25T18:30:58.514144Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 7,
"ranked": true
},
{
"id": 63721,
"name": "Ninja l",
"director": {
"id": 811650,
"username": "Kimmomimsimimwi",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/61e0f9ca340e6666205164c060d5e04a?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1503.8058692141842,
"deviation": 65.25254908575168,
"volatility": 0.060002103858000304
}
},
"ranking": 24.36204504072503,
"professional": false,
"ui_class": ""
},
"description": "Nana.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 5,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "blitz",
"pause_on_weekends": false,
"per_move": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 6406,
"name": "Ninja warrior",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 0,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-07-30T05:03:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-07-30T05:03:09.892344Z",
"ended": "2020-07-30T05:04:39.337246Z",
"start_waiting": "2020-07-30T05:03:09.840010Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2,
"ranked": true
},
{
"id": 65249,
"name": "PlayWithMBL",
"director": {
"id": 803205,
"username": "deleted-8775f22a-2b06-40d7-a417-78780aa87283",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/cbabf16d625ef35bed640f3f2246bb9c?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1069.6758852313314,
"deviation": 64.49562346853283,
"volatility": 0.06003238867552211
}
},
"ranking": 16.476149189708508,
"professional": false,
"ui_class": ""
},
"description": "Now when you know how to play, let's have a tournament!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 32,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 30,
"initial_time": 180,
"max_time": 240
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6779,
"name": "PlayWithMBL",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 2,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-09-09T15:36:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-09-09T15:36:41.574250Z",
"ended": "2020-09-09T15:46:58.420731Z",
"start_waiting": "2020-09-09T15:36:41.407839Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 3,
"ranked": true
},
{
"id": 60485,
"name": "Blitz Tournament 9x9",
"director": {
"id": 535250,
"username": "andyzhou",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/105954f48a899e137f853a65860f7c7b?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1809.7393358037923,
"deviation": 66.75784826384123,
"volatility": 0.06012743631466287
}
},
"ranking": 28.649047248062285,
"professional": false,
"ui_class": ""
},
"description": "Blitz!!!!!",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "aga",
"time_per_move": 5,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "blitz",
"pause_on_weekends": false,
"main_time": 30,
"period_time": 5,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 24,
"name": "Double Digit Kyu Room",
"summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 3607,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-05-14T00:00:00Z",
"players_start": 2,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-05-19T17:24:37.427414Z",
"ended": "2020-05-19T17:25:32.001847Z",
"start_waiting": "2020-05-19T17:24:36.890900Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2,
"ranked": true
},
{
"id": 62042,
"name": "Abc cup",
"director": {
"id": 564908,
"username": "Sarawoot Kanya",
"country": "th",
"icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1360.28396299626,
"deviation": 67.21540421631697,
"volatility": 0.06068890926047249
}
},
"ranking": 22.039968858879362,
"professional": false,
"ui_class": ""
},
"description": "12345678",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 600,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 4793,
"name": "Angel WFH",
"summary": "การเล่นหมากล้อมออนไลน์สำหรับทีมพิธีการ และทีมหมากล้อม",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 38,
"icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-06-17T08:10:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-06-17T08:04:49.474161Z",
"ended": "2020-06-17T09:41:39.560192Z",
"start_waiting": "2020-06-17T08:04:49.178416Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 99415,
"name": "Correspondence 9x9 RoundRobin 2023-01-28 19:00",
"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:20251218T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-18T19:01:04.466352Z",
"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": "2025-12-21T19:00:00Z",
"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": "2023-01-28T19:00:59.513870Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-01-28T19:01:02.789782Z",
"ended": "2023-02-28T08:37:31.636693Z",
"start_waiting": "2023-01-28T19:01:02.377685Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 9,
"ranked": true
}
]
}
