HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58709,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4380",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4378",
"results": [
{
"id": 37648,
"name": "MatchRasmadeusDS",
"director": {
"id": 526840,
"username": "rasmadeus",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/61006d92450bdd94a92019da3ca0469f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1044.5182325198166,
"deviation": 77.97074887458184,
"volatility": 0.06001399163863019
}
},
"ranking": 15.925180717916183,
"professional": false,
"ui_class": ""
},
"description": "MatchRasmadeusDS",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 10,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 60,
"max_time": 70,
"time_increment": 10,
"speed": "live"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2536,
"name": "PlayWith",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2018-05-27T18:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-06-18T20:47:50.914339Z",
"ended": "2018-06-18T20:57:51.948747Z",
"start_waiting": "2018-06-18T20:47:50.495759Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4,
"ranked": true
},
{
"id": 38239,
"name": "Little empires",
"director": {
"id": 217422,
"username": "AndThenUPray4Me",
"country": "us",
"icon": "https://user-uploads.online-go.com/bcde22f370cd6cad033e84daecebc372-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1394.3264361091012,
"deviation": 65.18532192882296,
"volatility": 0.06019934407434497
}
},
"ranking": 22.612190162902362,
"professional": false,
"ui_class": ""
},
"description": "9x9 tourney!",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"period_time": 10,
"main_time": 105,
"system": "byoyomi",
"pause_on_weekends": false,
"time_control": "byoyomi",
"periods": 3,
"speed": "live"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2014,
"name": "The Nines 9x9 ",
"summary": "9x9 Go!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 371,
"icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-06-17T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-06-17T21:00:19.140468Z",
"ended": "2018-06-17T21:38:05.645510Z",
"start_waiting": "2018-06-17T21:00:17.476834Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png",
"player_count": 26,
"ranked": true
},
{
"id": 19751,
"name": "basic tournament",
"director": {
"id": 347221,
"username": "Alectheawesome",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/8cc82c3bd72324f5d5a9593a44dc37c8?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 990.4079179848546,
"deviation": 84.17537818788169,
"volatility": 0.06001435971211636
}
},
"ranking": 14.693736378050405,
"professional": false,
"ui_class": ""
},
"description": "easy tourny",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 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": true,
"time_start": "2016-08-14T18:07:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 10,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2016-08-27T21:39:02.985597Z",
"ended": "2016-10-03T19:05:45.063151Z",
"start_waiting": "2016-08-27T21:39:02.595807Z",
"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": 92450,
"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": "Olympic System Tournament",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"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": 11969,
"name": "OST GO",
"summary": "For Olympic tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 54,
"icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-07-30T07:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-07-30T07:00:22.791401Z",
"ended": "2023-06-07T12:36:44.267018Z",
"start_waiting": "2022-07-30T07:00:22.466608Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png",
"player_count": 29,
"ranked": true
},
{
"id": 90729,
"name": "9x9 Tuesday Night Live - beginners tournament - everyone is welcome!",
"director": {
"id": 999161,
"username": "Melchizedek6809",
"country": "_United_Federation_of_Planets",
"icon": "https://user-uploads.online-go.com/8ccca79520cf95ade94fd781119818e5-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1033.730084835931,
"deviation": 63.29201991379343,
"volatility": 0.060053549048987805
}
},
"ranking": 15.684836135345009,
"professional": false,
"ui_class": ""
},
"description": "Let’s have another short and fun 9x9 tournament, we are mostly beginners so don’t be afraid to join in on the fun, see you tuesday night, cheerio!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 33,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 30,
"initial_time": 300,
"max_time": 300
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2321,
"name": "Schulis Beginner Tournaments",
"summary": "A group of brothers playing each other, but hosting public tournaments as well. Beginner level!",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 15,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2022-06-07T19:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-06-07T19:00:40.917019Z",
"ended": "2022-06-07T20:02:11.280466Z",
"start_waiting": "2022-06-07T19:00:40.775358Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 8,
"ranked": true
},
{
"id": 70720,
"name": "9k-5k Battle",
"director": {
"id": 213337,
"username": "funloop",
"country": "au",
"icon": "https://user-uploads.online-go.com/74d957756ad9275c9acef2241173bef8-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1560.1438510208575,
"deviation": 64.58243833349006,
"volatility": 0.05993697512701055
}
},
"ranking": 25.2134763054903,
"professional": false,
"ui_class": ""
},
"description": "Let's play some games, make some mistakes, and learn from them.",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36960,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 36000,
"initial_time": 86400,
"max_time": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 20,
"name": "Single Digit Kyu Room",
"summary": "A room for SDK's \r\n",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 757,
"icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-02-17T19:00:00Z",
"players_start": 12,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 25,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-02-17T19:00:03.323825Z",
"ended": "2022-06-29T23:28:04.804361Z",
"start_waiting": "2021-02-17T19:00:01.959290Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png",
"player_count": 36,
"ranked": true
},
{
"id": 133346,
"name": "9x9 Mini League 10k-25k #333",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1305.2721648368988,
"deviation": 72.65579160221056,
"volatility": 0.060142381755451196
}
},
"ranking": 21.08429287820258,
"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": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-10-19T19:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-10-17T10:22:41.218836Z",
"ended": "2025-10-21T13:23:07.661127Z",
"start_waiting": "2025-10-17T10:22:41.048709Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 91003,
"name": "Correspondence 9x9 RoundRobin 2022-06-08 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:20251215T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-15T19:01:06.957636Z",
"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": "2025-12-18T19:00:00Z",
"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": "2022-06-08T19:00:41.358226Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-06-08T19:01:40.355496Z",
"ended": "2022-07-04T15:32:15.936737Z",
"start_waiting": "2022-06-08T19:01:40.250939Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 4,
"ranked": true
},
{
"id": 91001,
"name": "'+++++++++++++¿quenahuel?",
"director": {
"id": 1034190,
"username": "Nahuelet77zadwe2078",
"country": "uy",
"icon": "https://user-uploads.online-go.com/989aa831656de2ac6b4783a37072c94f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1001.1537913278579,
"deviation": 66.35082345457624,
"volatility": 0.06001042479582162
}
},
"ranking": 14.943559801484083,
"professional": false,
"ui_class": ""
},
"description": "ereeerr1wwwwwwwwwjklhgsxxswwwdrthyyiliuyjhhewq@eerrrtuuuueeweeeeee%$@===_=-==₩₩₩₩₩₩₩₩₩₩₩₩₩€€€€::::''\\\\\\\\\\\\||^^^^^^^^\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\|,|[[[..,,,,,,,,,.....£€;@__++-\\[(::::::::::::::::::::::::::::::::::::::^^^^^^^^^^^^^^^^^^^^^^^^&&&&\\\\=+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\\\\\\%€€€",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"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": 8883,
"name": "WSOIHHNNININ",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 5,
"icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-06-07T19:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-06-13T21:35:44.325472Z",
"ended": "2022-07-12T19:59:58.378115Z",
"start_waiting": "2022-06-13T21:35:44.119782Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 134373,
"name": "9x9 Open League #133",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1305.2721648368988,
"deviation": 72.65579160221056,
"volatility": 0.060142381755451196
}
},
"ranking": 21.08429287820258,
"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",
"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": "2025-11-23T20:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-11-22T10:30:03.588181Z",
"ended": null,
"start_waiting": "2025-11-22T10:30:02.982737Z",
"board_size": 9,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 10,
"ranked": true
}
]
}