HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58020,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=815",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=813",
"results": [
{
"id": 78044,
"name": "Live 19x19 Swiss Tournament 2021-07-26 08:30",
"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": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251012T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-10-12T20:00:35.086726Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-10-13T00:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2021-07-26T08:30:28.292118Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-07-26T08:30:30.210857Z",
"ended": "2021-07-26T10:21:05.012203Z",
"start_waiting": "2021-07-26T08:30:29.686068Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 8
},
{
"id": 118380,
"name": "Live 19x19 Swiss Tournament 2024-07-23 12:30",
"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 Site-wide Tournament",
"schedule": {
"id": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251012T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-10-12T20:00:35.086726Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-10-13T00:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 35,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2024-07-23T12:30:22.002070Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-07-23T12:31:22.162951Z",
"ended": "2024-07-23T13:42:17.569844Z",
"start_waiting": "2024-07-23T12:31:22.010257Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 6
},
{
"id": 647,
"name": "Isle of Skye Go Feis II",
"director": {
"id": 12516,
"username": "beidao",
"country": "gb",
"icon": "https://secure.gravatar.com/avatar/59a2fd07c62e453c1050a020696090aa?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1122.3216631910252,
"deviation": 64.25171078548232,
"volatility": 0.05972494465675382
}
},
"ranking": 17.588362274482982,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 78,
"name": "OGS Mini Tournaments",
"summary": "The home for all of the old OGS mini tournaments",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 381,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 9,
"max_ranking": 19,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2009-02-16T02:06:44Z",
"ended": "2009-02-16T01:06:44Z",
"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
},
{
"id": 36644,
"name": "The 1st Gosei Kanren Memorial Cup",
"director": {
"id": 449215,
"username": "SM-SYaKo",
"country": "jp",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e577b58bab7d7fc9871766c9d1f7195a-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1182.178471692773,
"deviation": 63.45983688838135,
"volatility": 0.060058455061893425
}
},
"ranking": 18.79122343818162,
"professional": false,
"ui_class": ""
},
"description": "Gosei is one of the major Japanese Go Titles. It still continues currently in Japan. Kanren is the first Gosei. This tournament is made as a commemorative of \"Gosei Kanren Memorial Junior Go Tournament (碁聖寛蓮記念ジュニア囲碁大会)\" in Ureshino city, Saga. The tournament still continues with the name changed as \"Ureshino Junior Go Tournament (嬉野ジュニア囲碁大会)\".\n\n「第一回碁聖寛蓮記念カップ」です。碁聖は現在にも続く日本の囲碁のタイトルの一つで、寛蓮は最初の碁聖と言われております。この大会は嬉野市で開催されていた「碁聖寛蓮記念ジュニア囲碁大会」の改名に因んで作りました。「碁聖寛蓮記念ジュニア囲碁大会」は現在は「嬉野ジュニア囲碁大会」と改名し、現在も佐賀県の嬉野市で開催されております。",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": -1,
"rules": "japanese",
"time_per_move": 132480,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 129600,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2389,
"name": "Murase Go Group",
"summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 92,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9e03e37d7a9f7508c9a114190260a7b9-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-08-18T12:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-08-18T12:00:34.576145Z",
"ended": "2021-04-05T16:22:23.607663Z",
"start_waiting": "2018-08-18T12:00:31.947118Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9e03e37d7a9f7508c9a114190260a7b9-15.png",
"player_count": 77
},
{
"id": 61047,
"name": "2020 Summer Go Tournament",
"director": {
"id": 720484,
"username": "JtaoOMG",
"country": "cn",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/b79de628ffd7e4fe1a54a7c2b38163e5-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1866.3720336200906,
"deviation": 64.63461166642907,
"volatility": 0.06005553853146774
}
},
"ranking": 29.36238292017167,
"professional": false,
"ui_class": ""
},
"description": "2020 Summer Go Tournament",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 30,
"initial_time": 600,
"max_time": 600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 4456,
"name": "Our Go House",
"summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 159,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/bf53577eefa2af10bcf48655c23a2b4a-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-05-25T17:00:00Z",
"players_start": 1,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 27,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-05-25T17:43:48.745477Z",
"ended": "2020-05-25T17:43:48.704159Z",
"start_waiting": "2020-05-25T17:43:48.593968Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/bf53577eefa2af10bcf48655c23a2b4a-15.png",
"player_count": 1
},
{
"id": 75145,
"name": "18 Entrenamiento de Go, Mayo 2021",
"director": {
"id": 88120,
"username": "satoshi84",
"country": "mx",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1162.2722344194942,
"deviation": 82.47024688516325,
"volatility": 0.06016113648651541
}
},
"ranking": 18.398090439972083,
"professional": false,
"ui_class": ""
},
"description": "https://tsumego-hero.com/",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 26,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 600,
"period_time": 20,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 4974,
"name": "Taller de Go-Biblioteca de México",
"summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 237,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/319cd1b5d5788d57faf6978158a6f97d-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-05-15T22:30:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-05-15T22:30:12.549359Z",
"ended": "2021-05-16T00:18:29.814275Z",
"start_waiting": "2021-05-15T22:30:12.238150Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/319cd1b5d5788d57faf6978158a6f97d-15.png",
"player_count": 15
},
{
"id": 45771,
"name": "1st Continental Go World Cup-Final Phase: Category 9-5k",
"director": {
"id": 48251,
"username": "Mitsunari",
"country": "fr",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/255f362392d68eb9c9f4cacbae4ff907-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1629.193068146654,
"deviation": 64.7148976005641,
"volatility": 0.06031618958872138
}
},
"ranking": 26.216029022297818,
"professional": false,
"ui_class": ""
},
"description": "Hello,\n\nThe winner of this tournament will be our 1st World Champion: Category 9-5k. Do your best and have fun :)",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 59520,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 259200,
"time_increment": 57600,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2514,
"name": "Continental and World Go Cups Group",
"summary": "You want to become World Champion or a Continental champion? Join us :)",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 522,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-06-30T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2019-06-11T21:49:55.355364Z",
"ended": "2019-09-21T21:25:26.371843Z",
"start_waiting": "2019-06-11T21:49:53.497235Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
"player_count": 5
},
{
"id": 42733,
"name": "Correspondence Weekly McMahon 19x19 2018-11-17 17:00",
"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": 9,
"name": "Correspondence Weekly McMahon 19x19",
"rrule": "DTSTART:20251006T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-10-06T17:00:49.676407Z",
"lead_time_seconds": 432000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"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": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 4,
"maximum_players": 1000
},
"next_run": "2025-10-13T17:00:00Z",
"base_points": "30.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"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": "2018-11-17T17:00:30.740297Z",
"players_start": 60,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-11-17T17:01:26.956713Z",
"ended": "2021-04-23T14:01:31.561241Z",
"start_waiting": "2018-11-17T17:01:07.750823Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 60
},
{
"id": 71406,
"name": "Jed's anniversary",
"director": {
"id": 769861,
"username": "rainncat",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/63b1a39787f99d6149e4e1cb7cc755f5-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 975.0308630931373,
"deviation": 65.62894696966373,
"volatility": 0.060026784983209604
}
},
"ranking": 14.331490463627786,
"professional": false,
"ui_class": ""
},
"description": "Hi everyone, this tournament was made for my rabbit. Today is his 5 month anniversary. Have fun everone!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "chinese",
"time_per_move": 262080,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 259200,
"initial_time": 259200,
"max_time": 864000
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 6843,
"name": "bunny and squirrel",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4fbbe44d15fe786fd4c4d0d540f0ee05-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-03-01T18:00:00Z",
"players_start": 5,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 30,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-03-01T18:00:18.339102Z",
"ended": "2021-09-17T13:10:37.933897Z",
"start_waiting": "2021-03-01T18:00:17.811737Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4fbbe44d15fe786fd4c4d0d540f0ee05-15.png",
"player_count": 9
},
{
"id": 81293,
"name": "test2 13/10",
"director": {
"id": 1044601,
"username": "senseihk",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2326.49766407098,
"deviation": 249.480229604016,
"volatility": 0.060008490664285076
}
},
"ranking": 34.463891257409,
"professional": false,
"ui_class": "provisional"
},
"description": "test2 13/10",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "chinese",
"time_per_move": 10,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "live",
"pause_on_weekends": false,
"total_time": 900
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10004,
"name": "smart go academy",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 16,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2021-10-13T14:36:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-10-13T14:36:42.670890Z",
"ended": "2021-10-13T14:41:16.043361Z",
"start_waiting": "2021-10-13T14:36:42.564500Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4
}
]
}