HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58713,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5074",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5072",
"results": [
{
"id": 127336,
"name": "fsfrewqafwwherhsa;lp",
"director": {
"id": 1753838,
"username": "bgrbrg",
"country": "ug",
"icon": "https://secure.gravatar.com/avatar/d51ee9d067aa329f2957ff942d21708a?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1133.468952131891,
"deviation": 81.5764831557025,
"volatility": 0.06013374490710198
}
},
"ranking": 17.817161736491876,
"professional": false,
"ui_class": ""
},
"description": "22312",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 11320,
"name": "Україна",
"summary": "",
"require_invitation": true,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 25,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2025-04-10T13:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-04-10T12:35:23.809867Z",
"ended": "2025-04-10T12:36:20.798101Z",
"start_waiting": "2025-04-10T12:35:23.746621Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 5,
"ranked": true
},
{
"id": 103714,
"name": "Correspondence 9x9 RoundRobin 2023-05-28 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:20251212T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-12T19:00:50.637322Z",
"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": "2025-12-15T19:00:00Z",
"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": "2023-05-28T19:00:57.831907Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-05-28T19:00:58.494534Z",
"ended": "2023-06-30T15:23:25.380789Z",
"start_waiting": "2023-05-28T19:00:58.239568Z",
"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": 54751,
"name": "6k-11k 8-player 1m/3d rated even games (19x19, 22-Dec-2019)",
"director": {
"id": 488678,
"username": "dino1019",
"country": "tw",
"icon": "https://user-uploads.online-go.com/a5975bed6be4d1496a8b7190da1c50f2-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1478.6035321391723,
"deviation": 60.720532233190696,
"volatility": 0.05986378735924423
}
},
"ranking": 23.970785550386754,
"professional": false,
"ui_class": ""
},
"description": "1. This is for serious games to review later and improve for higher kyu players, including myself (Dino Hsu).\n2. 1 move per 3 days is to avoid timeout, but we can play faster if possible, hope we can finish a game within a month.\n3. I will try 8 players round-robin first, will adjust the number of players based on the effectiveness of the tournament.\nThank you for your participation.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 259200,
"time_control_parameters": {
"system": "canadian",
"time_control": "canadian",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 0,
"period_time": 259200,
"stones_per_period": 1
},
"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": 8789,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-12-21T16:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 19,
"max_ranking": 24,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-12-21T18:58:14.406110Z",
"ended": "2020-02-14T00:10:04.289649Z",
"start_waiting": "2019-12-21T18:58:13.111901Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 130215,
"name": "9x9 Mini League 10k-25k #313",
"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": "2025-07-13T19:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-07-08T08:38:11.395710Z",
"ended": "2025-08-06T06:57:05.323031Z",
"start_waiting": "2025-07-08T08:38:11.229660Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 58226,
"name": "25-20 Kyu Tournament",
"director": {
"id": 699461,
"username": "Praetorian2007",
"country": "us",
"icon": "https://user-uploads.online-go.com/68f5094f5b6426c3ac0786bf37181cf2-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1031.205176414801,
"deviation": 68.92342236433254,
"volatility": 0.060042068884148446
}
},
"ranking": 15.628222584134043,
"professional": false,
"ui_class": ""
},
"description": "For beginners and slightly better players.",
"schedule": null,
"title": null,
"tournament_type": "double_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": false,
"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": true,
"time_start": "2020-04-04T16:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 10,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-04-04T16:00:01.306476Z",
"ended": "2020-12-26T19:17:30.289602Z",
"start_waiting": "2020-04-04T16:00:00.261999Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 14,
"ranked": true
},
{
"id": 65252,
"name": "Auf dem Meer, vor Gericht und auf dem Go-Brett ...",
"director": {
"id": 1039,
"username": "joachim",
"country": "de",
"icon": "https://user-uploads.online-go.com/cb60432b91d79a1055a51afbe4f22dce-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1781.510941655134,
"deviation": 66.39252126180757,
"volatility": 0.06057445239536487
}
},
"ranking": 28.285106707549087,
"professional": false,
"ui_class": "supporter"
},
"description": "Stürzen wir uns in neue Verwicklungen.\n\nViel Spaß.",
"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": 1240,
"name": "Braunschweig-Go",
"summary": "Go in Braunschweig",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 56,
"icon": "https://user-uploads.online-go.com/3ee5151405dee7fcd7890745353b9b41-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-09-15T13:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-09-15T13:00:49.486800Z",
"ended": "2021-04-25T19:23:09.399261Z",
"start_waiting": "2020-09-15T13:00:48.549429Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/3ee5151405dee7fcd7890745353b9b41-15.png",
"player_count": 15,
"ranked": true
},
{
"id": 24751,
"name": "PLAY THIS TOURNAMENT",
"director": {
"id": 427797,
"username": "zackwhitlock354",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/0e07f82dcdfa2774107f05294d3481d9?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1214.8300786262078,
"deviation": 270.905966031131,
"volatility": 0.060001963688662084
}
},
"ranking": 19.42195248422623,
"professional": false,
"ui_class": "provisional"
},
"description": "PLAY THIS TOURNAMENT",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 2419200,
"time_control_parameters": {
"time_control": "simple",
"speed": "correspondence",
"system": "simple",
"pause_on_weekends": true,
"per_move": 2419200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1457,
"name": "FOR NEWBS",
"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": "2017-02-20T19:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-02-20T19:00:37.717225Z",
"ended": "2022-03-09T23:59:08.998526Z",
"start_waiting": "2017-02-20T19:00:35.662033Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 5,
"ranked": true
},
{
"id": 47819,
"name": "the big go tournament",
"director": {
"id": 632025,
"username": "demon2019",
"country": "us",
"icon": "https://user-uploads.online-go.com/7ab9533a7a6d3de017283bdf2dfa6d83-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 750.5826046677178,
"deviation": 87.86349475116594,
"volatility": 0.05998427832898187
}
},
"ranking": 8.275001035195551,
"professional": false,
"ui_class": ""
},
"description": "there will be 12 people and you are in teams of 3 only one team can win so do your best.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": -1,
"rules": "japanese",
"time_per_move": 785280,
"time_control_parameters": {
"period_time": 777600,
"main_time": 691200,
"system": "byoyomi",
"pause_on_weekends": true,
"time_control": "byoyomi",
"periods": 2,
"speed": "correspondence"
},
"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": true,
"time_start": "2019-05-01T21:00:00Z",
"players_start": 12,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-05-14T10:32:51.344472Z",
"ended": "2020-02-29T08:34:09.263563Z",
"start_waiting": "2019-05-14T10:32:50.126663Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 12,
"ranked": true
},
{
"id": 72116,
"name": "Melee 13x13 Tournament: 2021-03-05",
"director": {
"id": 741522,
"username": "wolfmeister",
"country": "_United_Federation_of_Planets",
"icon": "https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1209.6169056480942,
"deviation": 65.52079638031556,
"volatility": 0.06013235595814508
}
},
"ranking": 19.32239564406787,
"professional": false,
"ui_class": ""
},
"description": "Play async or live via video. Your choice.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 20160,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 1814400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6518,
"name": "Madison Google Go",
"summary": "Nominally a social league for the MSN site, but friendly, casual players from other sites welcome. Make sure to join the Hangouts room, go-msn@ group for announcements! Please send an *INTERNAL* email to the organizers to join. We don't always notice OG",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 18,
"icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-03-05T15:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2021-03-05T15:00:58.507003Z",
"ended": "2021-03-23T13:21:21.944585Z",
"start_waiting": "2021-03-05T15:00:57.909600Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 79671,
"name": "練習賽4/9",
"director": {
"id": 732914,
"username": "Myosu",
"country": "hk",
"icon": "https://user-uploads.online-go.com/3e8044bfa5bfb2689285ad63b474e524-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2245.1496118666505,
"deviation": 71.10612881980087,
"volatility": 0.06017968398189159
}
},
"ranking": 33.639940461928326,
"professional": false,
"ui_class": ""
},
"description": "Hiiiiii",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"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": 10046,
"name": "Hiroki’s Group",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 4,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2021-09-04T03:20:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-09-04T03:20:59.385986Z",
"ended": "2021-09-04T04:02:19.628237Z",
"start_waiting": "2021-09-04T03:20:59.132651Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4,
"ranked": true
}
]
}
