HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58701,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=5732",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=5730",
"results": [
{
"id": 131615,
"name": "Handicap Arena 2025 - 069",
"director": {
"id": 526987,
"username": "Gia",
"country": "gr",
"icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1152.5226681070055,
"deviation": 63.42823882480412,
"volatility": 0.0600783676463056
}
},
"ranking": 18.20308068378928,
"professional": false,
"ui_class": "supporter"
},
"description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"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": 13655,
"name": "Handicap Arena",
"summary": "Organising arena-type handicap correspondence tournaments.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 99,
"icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-08-24T15:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-08-23T21:46:14.446332Z",
"ended": null,
"start_waiting": "2025-08-23T21:46:13.830629Z",
"board_size": 19,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 93388,
"name": "9x9 Open League #42",
"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": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"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": "2022-08-21T20:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-08-19T18:37:56.677864Z",
"ended": "2022-09-28T10:01:55.897172Z",
"start_waiting": "2022-08-19T18:37:56.066785Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 123916,
"name": "New Year's Furry Open",
"director": {
"id": 1669796,
"username": "BrambleTheBear",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/197c31b1c2c11a57e23e234431b611ad?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 551.1682536963369,
"deviation": 72.88845247130209,
"volatility": 0.0600666317968093
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "Don't know if I am allowed to start a tournament but here I am! I want to start the new year with a 9x9 Furry Tournament!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3112,
"name": "Furry Go Players",
"summary": "A group for furry players on OGS to gather and play. All are welcome -- not just furries!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 62,
"icon": "https://user-uploads.online-go.com/819aa11426618356279980b562f6ebbc-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-01-13T05:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-01-13T05:00:38.916366Z",
"ended": "2025-03-23T14:16:11.200877Z",
"start_waiting": "2025-01-13T05:00:38.835227Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/819aa11426618356279980b562f6ebbc-15.png",
"player_count": 7,
"ranked": true
},
{
"id": 118967,
"name": "1° ETAPA: PROFESSORES, EX ALUNOS e COMUNIDADE",
"director": {
"id": 1192116,
"username": "Miguel morato",
"country": "br",
"icon": "https://secure.gravatar.com/avatar/40dba1f0d7f4d531c48befd3747f5304?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1417.0545037456677,
"deviation": 71.26259600326357,
"volatility": 0.060076651029948996
}
},
"ranking": 22.986501748528067,
"professional": false,
"ui_class": ""
},
"description": "Evento da Rede Municipal de Ensino.",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 21,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 10,
"initial_time": 300,
"max_time": 300
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6411,
"name": "CIRCUITO ONLINE SME-SP",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 479,
"icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-08-23T22:35:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2024-08-23T22:35:44.461306Z",
"ended": "2024-08-24T00:13:42.442151Z",
"start_waiting": "2024-08-23T22:35:44.324324Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png",
"player_count": 15,
"ranked": true
},
{
"id": 86124,
"name": "19x19 D.E. 02/19/2022 🦎",
"director": {
"id": 584481,
"username": "Mulsiphix",
"country": "us",
"icon": "https://user-uploads.online-go.com/f79dd274bd83ca6fdf5e2c1af119ba63-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1723.508332937557,
"deviation": 67.30621035483453,
"volatility": 0.06024145341136911
}
},
"ranking": 27.51884388340188,
"professional": false,
"ui_class": "supporter"
},
"description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n\n☆ This is a ‘Humdrum Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\n☆ Does NOT pause on the weekend.\n\n☆ If this sounds like a good time to you, please join us!\n<HR><BR>\nTournaments are a great way to locate players who are more competitive than your average opponent. A big part of improving your own skills is to have them tested by capable challengers. If you would like to be a part of more New Zealand rule set tournaments, check out our group for weekly opportunities.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "nz",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 432000
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3207,
"name": "New Zealand Tournaments",
"summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 595,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2022-02-20T02:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-03-16T18:41:31.348147Z",
"ended": "2022-08-06T02:55:28.035565Z",
"start_waiting": "2022-03-16T18:41:31.199159Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 93208,
"name": "3 -> 梅梓俊 4 -> 陳琛悠",
"director": {
"id": 818416,
"username": "傳碁學園",
"country": "un",
"icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1898.3468207617877,
"deviation": 71.28817954667363,
"volatility": 0.06041644550084839
}
},
"ranking": 29.755630942351214,
"professional": false,
"ui_class": ""
},
"description": "3 -> 梅梓俊\n4 -> 陳琛悠",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 600,
"period_time": 30,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 7531,
"name": "傳碁 C班",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 87,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2022-08-06T04:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2022-08-06T03:51:30.831592Z",
"ended": "2022-08-06T04:04:40.077464Z",
"start_waiting": "2022-08-06T03:51:30.765656Z",
"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": 46593,
"name": "tournament",
"director": {
"id": 624315,
"username": "julian_ll12",
"country": "us",
"icon": "https://user-uploads.online-go.com/0a14eb4d6468952f8b9833d1bf2bee4e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 818.9415927708291,
"deviation": 81.48550867738577,
"volatility": 0.059997923572079066
}
},
"ranking": 10.292825754178923,
"professional": false,
"ui_class": ""
},
"description": "korean rules no handicap",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "korean",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400,
"speed": "correspondence"
},
"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": "2019-03-17T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-03-17T12:52:49.309216Z",
"ended": "2019-04-27T07:09:32.143726Z",
"start_waiting": "2019-03-17T12:52:49.051092Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 39462,
"name": "Fast Correspondence – August 2018 (B)",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1588.1543621874353,
"deviation": 62.71960340021569,
"volatility": 0.05973071323930564
}
},
"ranking": 25.625419774662372,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "**Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).**",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 30720,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 172800,
"time_increment": 28800,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 508,
"name": "Fast Correspondence",
"summary": "Tournaments for people who like to play quick correspondence games.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 801,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-08-03T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-08-03T00:01:02.526119Z",
"ended": "2018-08-21T00:36:57.935314Z",
"start_waiting": "2018-08-03T00:00:58.977339Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 108920,
"name": "NOEL 2023",
"director": {
"id": 1053160,
"username": "Hugo2015",
"country": "cn",
"icon": "https://secure.gravatar.com/avatar/d64c04b3a494f6552609d5608aea189d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 920.6489727758353,
"deviation": 67.52247899148308,
"volatility": 0.060047119924063745
}
},
"ranking": 13.002905055703778,
"professional": false,
"ui_class": ""
},
"description": "de noel",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 90782,
"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": 12462,
"name": "Festival",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 6,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2023-12-23T12:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-12-23T12:00:02.769073Z",
"ended": "2024-03-15T10:01:16.825203Z",
"start_waiting": "2023-12-23T12:00:02.594368Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 10,
"ranked": true
},
{
"id": 112265,
"name": "Go lovers's 1st tournament",
"director": {
"id": 1144866,
"username": "𝗣𝘂𝘁 𝗞.",
"country": "001",
"icon": "https://user-uploads.online-go.com/96e71b19d93c156edd85ce7fe2904c51-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1101.5817770631427,
"deviation": 68.97988575651212,
"volatility": 0.060548628059512596
}
},
"ranking": 17.15656089751401,
"professional": false,
"ui_class": ""
},
"description": "1st tourney :)",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 604800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": false,
"per_move": 604800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 14001,
"name": "Go Lovers",
"summary": "A group for go lovers!, everyone is welcome!",
"require_invitation": true,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 19,
"icon": "https://user-uploads.online-go.com/3bc9fe377d78ef5093b4f2b5ef21a0c1-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-05-02T11:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-18T07:25:11.801324Z",
"ended": "2024-12-10T05:20:43.575703Z",
"start_waiting": "2024-02-18T07:25:11.719523Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/3bc9fe377d78ef5093b4f2b5ef21a0c1-15.png",
"player_count": 5,
"ranked": true
}
]
}
