HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58810,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4132",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4130",
"results": [
{
"id": 86401,
"name": "aprendendo",
"director": {
"id": 1019032,
"username": "mirela.milanez",
"country": "br",
"icon": "https://user-uploads.online-go.com/828ff9a85cf82c5241fbbb029f9a19fa-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 851.1876728261119,
"deviation": 68.85338231569808,
"volatility": 0.060147601013971846
}
},
"ranking": 11.186875752977109,
"professional": false,
"ui_class": ""
},
"description": "estudo",
"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": 9676,
"name": "General",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 212,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2022-02-21T22:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-02-23T08:50:17.095044Z",
"ended": "2022-04-03T02:58:36.706154Z",
"start_waiting": "2022-02-23T08:50:16.999637Z",
"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": 113402,
"name": "19x19 Open League #47",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1288.97741544511,
"deviation": 72.39995646073784,
"volatility": 0.060144003759985784
}
},
"ranking": 20.793473974596115,
"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/12599",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": false,
"group": {
"id": 12599,
"name": "GO Special Tournaments",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 62,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-03-17T22:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-03-15T20:50:47.920626Z",
"ended": "2024-07-26T04:03:36.352558Z",
"start_waiting": "2024-03-15T20:50:47.173509Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 87649,
"name": "13x13",
"director": {
"id": 1109165,
"username": "Barkodө",
"country": "zz",
"icon": "https://user-uploads.online-go.com/2b3341677e561c33e74183b0c9da5d51-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1137.447661980552,
"deviation": 65.80926006162407,
"volatility": 0.0599769193300956
}
},
"ranking": 17.89828072313223,
"professional": false,
"ui_class": ""
},
"description": "13x13 playing game Go",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": 11060,
"name": "Tournament go",
"summary": "\nWho often plays in tournaments",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 13,
"icon": "https://user-uploads.online-go.com/b66395810d41a7d2de4ffaedf8848271-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-03-23T21:00:00Z",
"players_start": 8,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2022-03-23T20:51:11.214756Z",
"ended": "2022-04-18T02:57:29.303977Z",
"start_waiting": "2022-03-23T20:51:11.158948Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/b66395810d41a7d2de4ffaedf8848271-15.png",
"player_count": 3,
"ranked": true
},
{
"id": 21174,
"name": "Correspondence 9x9 RoundRobin 2016-10-04 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:20251224T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-24T19:00:11.282946Z",
"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": "2025-12-27T19:00:00Z",
"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": "2016-10-04T01:00:01.135379Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-10-04T01:00:19.054437Z",
"ended": "2016-11-01T14:32:59.460816Z",
"start_waiting": "2016-10-04T01:00:18.013490Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 8,
"ranked": true
},
{
"id": 116442,
"name": "World Association2",
"director": {
"id": 1430197,
"username": "deleted-d13910fe-e5a4-4040-93d7-d0668f5ae4d4",
"country": "cn",
"icon": "https://user-uploads.online-go.com/927e69cecbf365e2078395ee98e817f3-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 875.5175656976088,
"deviation": 135.16783669189448,
"volatility": 0.06004585505058601
}
},
"ranking": 11.839302451557224,
"professional": false,
"ui_class": ""
},
"description": "World Association！World Association！",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 609587,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 604800,
"period_time": 604800,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 13633,
"name": "World Association",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": true,
"member_count": 1,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2024-05-26T06:00:00Z",
"players_start": 1,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-05-26T05:12:24.551418Z",
"ended": "2024-05-26T05:44:46.916378Z",
"start_waiting": "2024-05-26T05:12:24.485900Z",
"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": 100584,
"name": "Ranked Mode",
"director": {
"id": 1035316,
"username": "KoreaAlphaZero",
"country": "kr",
"icon": "https://user-uploads.online-go.com/6bca86ee91a1431a7292c1b3aa326d4d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2103.1586210706237,
"deviation": 77.02247323636563,
"volatility": 0.06006780525011338
}
},
"ranking": 32.12750833669386,
"professional": false,
"ui_class": ""
},
"description": "Fight",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 3714,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 14400,
"period_time": 3600,
"periods": 300
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 12925,
"name": "OGS [Korea]",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 9,
"icon": "https://user-uploads.online-go.com/fb5b366e11c08f76835a6454da5ff087-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-02-28T03:30:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-07-26T12:49:25.834706Z",
"ended": "2024-08-01T08:04:03.099274Z",
"start_waiting": "2024-07-26T12:49:25.609419Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fb5b366e11c08f76835a6454da5ff087-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 112362,
"name": "Hhhhgg",
"director": {
"id": 1504666,
"username": "lipstickaddiction69",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/c8b35951007509bf7e98a640e18b205d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1299.2314248247767,
"deviation": 212.99915629424348,
"volatility": 0.05999751024535961
}
},
"ranking": 20.976907054207626,
"professional": false,
"ui_class": "provisional"
},
"description": "Hhhcvñjgv",
"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": 13989,
"name": "jolee",
"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": "2024-02-03T22:52:00Z",
"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": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0,
"ranked": true
},
{
"id": 112360,
"name": "9x9 Mini League 1k-9k #107",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1288.97741544511,
"deviation": 72.39995646073784,
"volatility": 0.060144003759985784
}
},
"ranking": 20.793473974596115,
"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": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-02-11T20:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-10T14:19:19.692479Z",
"ended": "2024-03-23T05:38:26.022799Z",
"start_waiting": "2024-02-10T14:19:19.516822Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 85918,
"name": "Friendly tournaments",
"director": {
"id": 1079925,
"username": "deatheater1127",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/e56410d201f86adad9d8cb9b19a37b4f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 957.433906766057,
"deviation": 65.0282446197422,
"volatility": 0.060058111526456716
}
},
"ranking": 13.909872636084918,
"professional": false,
"ui_class": ""
},
"description": "Hfgl be friendly try and have good conversations",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 93120,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 604800,
"period_time": 86400,
"periods": 7
},
"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": 8803,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-02-09T23:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-04-18T20:51:48.018669Z",
"ended": "2022-08-09T13:38:13.212888Z",
"start_waiting": "2022-04-18T20:51:47.901270Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 22264,
"name": "Correspondence 13x13 RoundRobin 2016-11-17 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:20251223T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-12-23T19:00:10.979581Z",
"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": "2025-12-26T19:00:00Z",
"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": "2016-11-17T01:00:10.401395Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-11-17T01:00:32.890947Z",
"ended": "2017-01-25T20:05:29.649765Z",
"start_waiting": "2016-11-17T01:00:30.846230Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 10,
"ranked": true
}
]
}
