HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58707,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=5728",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=5726",
"results": [
{
"id": 135272,
"name": "98k gghh",
"director": {
"id": 1144614,
"username": "Fake Sky",
"country": "vn",
"icon": "https://user-uploads.online-go.com/a88350796409943953b313c47df800ae-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 896.6659567936215,
"deviation": 65.9735380603393,
"volatility": 0.06011480636640315
}
},
"ranking": 12.391850751533203,
"professional": false,
"ui_class": ""
},
"description": "Ìfi7c",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"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": true,
"group": {
"id": 15974,
"name": "Phạm Phạm",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": true,
"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": "2025-12-12T10:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 1,
"ranked": true
},
{
"id": 103339,
"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": 54,
"icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-09-16T14:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-09-16T14:00:57.640943Z",
"ended": null,
"start_waiting": "2023-09-16T14:00:57.116329Z",
"board_size": 19,
"active_round": 8,
"icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png",
"player_count": 48,
"ranked": true
},
{
"id": 77687,
"name": "Death",
"director": {
"id": 943646,
"username": "Alpha Zero",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/9d1a77d931cc0e362543930820bcca4b?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1326.79752693017,
"deviation": 65.56888398639605,
"volatility": 0.06000228444562641
}
},
"ranking": 21.462947929590804,
"professional": false,
"ui_class": ""
},
"description": "If you join you are dead by when it starts. OGS may not even be a thing then. Time travelers it is 2021 right now. July 17, 2021",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "aga",
"time_per_move": 2425920,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 604800,
"period_time": 2419200,
"periods": 300
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 25,
"name": "Go Basics",
"summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17627,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2221-12-31T22:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 52,
"ranked": true
},
{
"id": 135218,
"name": "9x9 Mini League 10k-25k #350",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1295.3063181482353,
"deviation": 72.20008330498726,
"volatility": 0.060145531656261485
}
},
"ranking": 20.90686275508034,
"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": 686,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-12-14T20:05:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-12-11T21:44:37.864893Z",
"ended": null,
"start_waiting": "2025-12-11T21:44:37.484199Z",
"board_size": 9,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 135119,
"name": "9x9 Open League #137",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1295.3063181482353,
"deviation": 72.20008330498726,
"volatility": 0.060145531656261485
}
},
"ranking": 20.90686275508034,
"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": 686,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-12-14T20:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-12-11T21:44:22.313296Z",
"ended": null,
"start_waiting": "2025-12-11T21:44:21.543371Z",
"board_size": 9,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 135187,
"name": "9x9 Mini League 5k-15k #154",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1295.3063181482353,
"deviation": 72.20008330498726,
"volatility": 0.060145531656261485
}
},
"ranking": 20.90686275508034,
"professional": false,
"ui_class": ""
},
"description": "Special league for players between 15kyu and 5kyu. 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": 686,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-12-14T20:05:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 15,
"max_ranking": 25,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-12-11T20:46:48.126124Z",
"ended": null,
"start_waiting": "2025-12-11T20:46:47.893242Z",
"board_size": 9,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 135222,
"name": "Correspondence 19x19 RoundRobin 2025-12-11 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 Site-wide Tournament",
"schedule": {
"id": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20251213T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-12-13T19:00:16.114065Z",
"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": "2025-12-16T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88451,
"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": "2025-12-11T19:00:50.887810Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-12-11T19:01:50.604240Z",
"ended": null,
"start_waiting": "2025-12-11T19:01:50.286095Z",
"board_size": 19,
"active_round": 1,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 6,
"ranked": true
},
{
"id": 135131,
"name": "CHEERFUL GO #117 Single Elimination",
"director": {
"id": 1220803,
"username": "nobhaete",
"country": "cn",
"icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1870.2032105522585,
"deviation": 71.45132291555662,
"volatility": 0.05983833437594395
}
},
"ranking": 29.409855148757394,
"professional": false,
"ui_class": ""
},
"description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.",
"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 & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 68,
"icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-12-11T04:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 34,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-12-11T04:00:50.538140Z",
"ended": null,
"start_waiting": "2025-12-11T04:00:50.163103Z",
"board_size": 19,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
"player_count": 27,
"ranked": true
},
{
"id": 135118,
"name": "9x9 Open D.E. Cup #210",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1295.3063181482353,
"deviation": 72.20008330498726,
"volatility": 0.060145531656261485
}
},
"ranking": 20.90686275508034,
"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/10842",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 686,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-12-14T20:00:00Z",
"players_start": 8,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-12-11T03:09:39.277952Z",
"ended": null,
"start_waiting": "2025-12-11T03:09:39.145555Z",
"board_size": 9,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 111787,
"name": "Hello",
"director": {
"id": 1434626,
"username": "𝒵ℯ𝓎𝓃ℯ𝓅",
"country": "003",
"icon": "https://user-uploads.online-go.com/1550a9a8430c1072498232629f4035ea-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 528.2070252200067,
"deviation": 63.72034891246018,
"volatility": 0.0600322385549072
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "Hello guys",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"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": true,
"group": {
"id": 13648,
"name": "Cat’s LIFE",
"summary": "Cat’s LİFE\nok ✅ \nWe are perfect cats \nMEOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOWWW",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 27,
"icon": "https://user-uploads.online-go.com/41531af7f008d8b7781e0264f4d3fe71-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-01-17T18:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 9,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/41531af7f008d8b7781e0264f4d3fe71-15.png",
"player_count": 2,
"ranked": true
}
]
}
