HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57801,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4817",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4815",
"results": [
{
"id": 58894,
"name": "Correspondence 9x9 RoundRobin 2020-04-13 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:20250919T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-09-19T19:00:08.904359Z",
"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": "2025-09-22T19:00:00Z",
"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,
"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": "2020-04-13T19:00:32.472812Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-04-13T19:01:33.023282Z",
"ended": "2020-05-11T14:23:17.496891Z",
"start_waiting": "2020-04-13T19:01:27.118082Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 10
},
{
"id": 69153,
"name": "Tournament 1",
"director": {
"id": 899318,
"username": "larness",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/ff333463025123cde7776f9fd52790d3?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1500.0,
"deviation": 350.0,
"volatility": 0.06
}
},
"ranking": 24.303382182144386,
"professional": false,
"ui_class": "provisional"
},
"description": "Our first tournament",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 0,
"time_control_parameters": {
"system": "none",
"time_control": "none",
"speed": "correspondence",
"pause_on_weekends": false
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 7691,
"name": "Isaac + Lauren",
"summary": "",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"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": "2020-12-20T02:44:00Z",
"players_start": 2,
"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": 0
},
{
"id": 112775,
"name": "Kranj 60",
"director": {
"id": 134125,
"username": "mitava",
"country": "at",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 854.180629740867,
"deviation": 63.8058487396968,
"volatility": 0.05992257732928004
}
},
"ranking": 11.268133301401443,
"professional": false,
"ui_class": ""
},
"description": "19x19",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 38051,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 36000,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 374,
"name": "Slovenija",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 53,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ed128f6478ae7603dbe02435c4af5de-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-02-19T16:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 8,
"max_ranking": 16,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-19T16:00:27.381244Z",
"ended": "2024-09-04T16:45:04.803432Z",
"start_waiting": "2024-02-19T16:00:27.197693Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ed128f6478ae7603dbe02435c4af5de-15.png",
"player_count": 9
},
{
"id": 58581,
"name": "Leander",
"director": {
"id": 740429,
"username": "LeaPatt",
"country": "_Scotland",
"icon": "https://secure.gravatar.com/avatar/00020530127d2368c50afbde202f5228?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1006.175354879606,
"deviation": 66.78287239347797,
"volatility": 0.06005671578336155
}
},
"ranking": 15.05938479106512,
"professional": false,
"ui_class": ""
},
"description": "Do your worst",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": -1,
"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": 1
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 4568,
"name": "Scotland Youth Team",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 64,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-04-06T15:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-04-06T15:00:00.812322Z",
"ended": "2020-04-06T16:11:57.303024Z",
"start_waiting": "2020-04-06T15:00:00.150090Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 7
},
{
"id": 58575,
"name": "pppppppprrrrrrrroooooooo",
"director": {
"id": 744918,
"username": "tinntinn",
"country": "th",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/972793b24a485d6c0721c2a576171b74-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1633.8372419179582,
"deviation": 65.7140021500707,
"volatility": 0.059989397404345134
}
},
"ranking": 26.28192647661824,
"professional": false,
"ui_class": ""
},
"description": "giyfgliyfliyg",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 177600,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 172800,
"initial_time": 432000,
"max_time": 432000
},
"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": 17429,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-04-06T12:50:00Z",
"players_start": 1,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-04-06T12:50:55.202321Z",
"ended": "2020-04-06T12:50:55.161253Z",
"start_waiting": "2020-04-06T12:50:54.983669Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 1
},
{
"id": 58690,
"name": "Tournament for bigginers",
"director": {
"id": 744215,
"username": "エドモンドさま",
"country": "ro",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/1869dc584c5d169a31c259891398ec07-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 983.4003168497828,
"deviation": 69.29823741926123,
"volatility": 0.05999742878256567
}
},
"ranking": 14.529357037629726,
"professional": false,
"ui_class": ""
},
"description": "Tournament for the ones who wants to have a higher rank",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": -1,
"rules": "japanese",
"time_per_move": 10,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 10,
"initial_time": 30,
"max_time": 60
},
"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": 8732,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-04-18T11:15:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 15,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-04-18T11:15:32.005696Z",
"ended": "2020-04-18T11:30:40.965436Z",
"start_waiting": "2020-04-18T11:15:30.684879Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 13
},
{
"id": 15234,
"name": "Correspondence 19x19 RoundRobin 2016-02-26 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": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20250920T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-09-20T19:00:08.834125Z",
"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": "2025-09-23T19:00:00Z",
"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": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-02-26T01:00:17.777376Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-02-26T01:00:37.019254Z",
"ended": "2016-05-03T03:18:56.659064Z",
"start_waiting": "2016-02-26T01:00:35.890633Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 58573,
"name": "corona virus",
"director": {
"id": 744918,
"username": "tinntinn",
"country": "th",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/972793b24a485d6c0721c2a576171b74-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1633.8372419179582,
"deviation": 65.7140021500707,
"volatility": 0.059989397404345134
}
},
"ranking": 26.28192647661824,
"professional": false,
"ui_class": ""
},
"description": "uuuuuu",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 177600,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 172800,
"initial_time": 432000,
"max_time": 432000
},
"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": 17429,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-04-06T12:10:00Z",
"players_start": 1,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 22,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-04-06T12:10:53.556477Z",
"ended": "2020-04-06T12:10:53.524154Z",
"start_waiting": "2020-04-06T12:10:53.403765Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 1
},
{
"id": 101043,
"name": "LIHKG League S Season 2",
"director": {
"id": 872222,
"username": "daromorado",
"country": "hk",
"icon": "https://secure.gravatar.com/avatar/36300931508b43b32974d72afe3dc031?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1859.6431717034557,
"deviation": 62.23947264052559,
"volatility": 0.05993301964712733
}
},
"ranking": 29.278769024828392,
"professional": false,
"ui_class": "supporter"
},
"description": "LIHKG League S Season 2",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 9573,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": false,
"total_time": 1209600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 8905,
"name": "LIHKG囲碁",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 77,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2023-03-15T16:33:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "invite",
"started": "2023-03-15T16:32:54.839340Z",
"ended": "2023-04-06T15:14:25.907914Z",
"start_waiting": "2023-03-15T16:32:54.631436Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 5
},
{
"id": 25079,
"name": "Macedonian Open Tournament 19x19 Correspondence",
"director": {
"id": 192742,
"username": "glitched",
"country": "mk",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/762c81932700cc2884ca4ee9a39478ad-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1257.1317500792302,
"deviation": 61.76116528509198,
"volatility": 0.060016277516089345
}
},
"ranking": 20.214342796212293,
"professional": false,
"ui_class": ""
},
"description": "First Macedonian Open Online Tournament (25 Kyu - 1 Kyu)",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 1360,
"name": "Macedonian Group",
"summary": "Macedonian group for introduction, learning and teaching Go.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 18,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2083052fd6cb8dce21199440dc69e25a-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-03-03T21:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-03-03T21:00:53.489337Z",
"ended": "2017-12-28T15:23:28.228649Z",
"start_waiting": "2017-03-03T21:00:52.485667Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2083052fd6cb8dce21199440dc69e25a-15.png",
"player_count": 14
}
]
}