HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58702,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=317",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=315",
"results": [
{
"id": 124485,
"name": "Blitz 13x13 Swiss Tournament 2025-01-19 07:30",
"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": 3,
"name": "Blitz 13x13 Swiss Tournament",
"rrule": "DTSTART:20251217T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-17T11:01:00.811501Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"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": "2025-12-17T15:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 15,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2025-01-19T07:30:14.042148Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2025-01-19T07:31:14.114288Z",
"ended": "2025-01-19T08:07:07.407679Z",
"start_waiting": "2025-01-19T07:31:14.041172Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 6,
"ranked": true
},
{
"id": 82742,
"name": "Fischer day one",
"director": {
"id": 1070666,
"username": "Kun Go",
"country": "jp",
"icon": "https://secure.gravatar.com/avatar/d878ad9d639b03d43446c23c992dd35f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1076.8199718797084,
"deviation": 92.01221287701095,
"volatility": 0.06002401180929444
}
},
"ranking": 16.630247988493107,
"professional": false,
"ui_class": ""
},
"description": "Fischer day one 18 00",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87360,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 86400,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10493,
"name": "Like 19 on 19",
"summary": "Who likes tournaments on a 19 by 19 board!Then come to us!BUT there is a problem, the The group is closed! write to us, that is, KunGo, Gost Go!",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 38,
"icon": "https://user-uploads.online-go.com/3679ee129f9cfd7d20bf4fd8ac8aa814-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-11-21T15:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2021-11-21T15:00:21.927005Z",
"ended": "2022-05-07T21:56:47.323246Z",
"start_waiting": "2021-11-21T15:00:21.823716Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/3679ee129f9cfd7d20bf4fd8ac8aa814-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 57062,
"name": "Monthly Simultaneous McMahon 2020-03-16 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": 10,
"name": "Monthly Simultaneous McMahon",
"rrule": "DTSTART:20251201T170000Z\nRRULE:FREQ=MONTHLY",
"active": true,
"created": "2015-12-16T02:47:16.592231Z",
"last_run": "2025-12-01T17:00:10.927989Z",
"lead_time_seconds": 1296000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 86400
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclude_provisional": true,
"players_start": 20,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 5,
"maximum_players": 200
},
"next_run": "2026-01-01T17:00:00Z",
"base_points": "50.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"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": "2020-03-16T17:00:25.776628Z",
"players_start": 50,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-03-16T17:01:39.444527Z",
"ended": "2021-08-14T05:46:49.457990Z",
"start_waiting": "2020-03-16T17:00:55.518375Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 115,
"ranked": true
},
{
"id": 433,
"name": "Danish Open",
"director": {
"id": 9461,
"username": "Paulerik",
"country": "dk",
"icon": "https://secure.gravatar.com/avatar/65389ab9cfad407f114a3cba99957e42?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1661.1627447040696,
"deviation": 67.30789978425837,
"volatility": 0.059977671445615964
}
},
"ranking": 26.66590213337984,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"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": 380,
"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": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-06-13T11:45:36Z",
"ended": "2008-06-13T09:45:36Z",
"start_waiting": null,
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0,
"ranked": true
},
{
"id": 2511,
"name": "Title match for: Kuksu Nines Title Tournament 6th Cycle",
"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": "Title match for: Kuksu Nines Title Tournament 6th Cycle (illluck vs KlausP)",
"schedule": null,
"title": {
"id": 8,
"name": "Kuksu Nines Title Tournament",
"holder": {
"id": 40094,
"username": "pollemand",
"country": "dk",
"icon": "https://user-uploads.online-go.com/769b91b9135c109466f9ea5844e00c3d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2171.89178460396,
"deviation": 69.05182806949152,
"volatility": 0.060035483123523053
}
},
"ranking": 32.87197200792104,
"professional": false,
"ui_class": ""
},
"rules": "japanese",
"tournament_type": "s_mcmahon"
},
"tournament_type": "s_title",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": null,
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2009-02-28T23:24:32Z",
"ended": "2009-06-24T19:07:34Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/kuksu_9.png",
"player_count": 0,
"ranked": true
},
{
"id": 124395,
"name": "Live 19x19 Swiss Tournament 2025-01-16 20:30",
"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:20251217T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-17T08:01:00.997804Z",
"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": "2025-12-17T12:00:00Z",
"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": "2025-01-16T20:30:39.884389Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2025-01-16T20:30:40.017129Z",
"ended": "2025-01-16T23:58:14.142720Z",
"start_waiting": "2025-01-16T20:30:39.912540Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 8,
"ranked": true
},
{
"id": 2512,
"name": "Title match for: Kuksu Main Title Tournament Third Cycle",
"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": "Title match for: Kuksu Main Title Tournament Third Cycle (Uberdude vs gomad361)",
"schedule": null,
"title": {
"id": 7,
"name": "Kuksu Main Title Tournament",
"holder": {
"id": 8592,
"username": "Uberdude",
"country": "gb",
"icon": "https://secure.gravatar.com/avatar/11267593613e93d9bb7fbb10950841f0?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2796.0058316270383,
"deviation": 80.60452821505956,
"volatility": 0.0599415138714111
}
},
"ranking": 38,
"professional": false,
"ui_class": ""
},
"rules": "japanese",
"tournament_type": "s_mcmahon"
},
"tournament_type": "s_title",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": null,
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-05-31T22:00:00Z",
"ended": "2009-06-09T14:47:32Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/kuksu_19.png",
"player_count": 0,
"ranked": true
},
{
"id": 2513,
"name": "Title match for: Tianyuan Nines Title Tournament 2008",
"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": "Title match for: Tianyuan Nines Title Tournament 2008 (dexy vs hotspur)",
"schedule": null,
"title": {
"id": 14,
"name": "Tianyuan Nines Title Tournament",
"holder": {
"id": 64817,
"username": "mark5000",
"country": "us",
"icon": "https://user-uploads.online-go.com/9b5320a244a5d988372d7e6e830a8fbe-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2298.7276911993754,
"deviation": 76.65242709443609,
"volatility": 0.06047544089578876
}
},
"ranking": 34.18590151739915,
"professional": false,
"ui_class": "supporter moderator"
},
"rules": "chinese",
"tournament_type": "s_mcmahon"
},
"tournament_type": "s_title",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": null,
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-08-31T22:00:00Z",
"ended": "2009-05-30T21:24:20Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/tianyuan_9.png",
"player_count": 0,
"ranked": true
},
{
"id": 37465,
"name": "Correspondence Weekly McMahon 19x19 2018-05-26 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:20251215T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-12-15T17:01:05.269875Z",
"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": "2025-12-22T17:00:00Z",
"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": "2018-05-26T17:00:27.118576Z",
"players_start": 60,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-05-26T17:01:23.462930Z",
"ended": "2019-12-17T06:18:12.683734Z",
"start_waiting": "2018-05-26T17:01:03.212985Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 102,
"ranked": true
},
{
"id": 72764,
"name": "World Wide Go Association Tournament",
"director": {
"id": 947864,
"username": "aval.cado",
"country": "us",
"icon": "https://user-uploads.online-go.com/416eb2fbc270b61ceb60026ca7f1552d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1297.6830736962474,
"deviation": 61.88104620789186,
"volatility": 0.05994264585747425
}
},
"ranking": 20.949301730356368,
"professional": false,
"ui_class": ""
},
"description": "This tournament is private, and the total time for each round is 25 minutes, no handi-cap, (sorry), 4 rounds, double elimination. Thank you, and enjoy!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 23,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "live",
"pause_on_weekends": false,
"total_time": 2100
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 8562,
"name": "World Wide Go Association (WWGA)",
"summary": "This group welcomes people world wide, from beginners to pros! We have a WWGA group logo, a group video, and even a video for new members! (I make announcement videos), I hope you enjoy!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 151,
"icon": "https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-03-20T21:14:00Z",
"players_start": 6,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2021-03-20T21:31:46.612156Z",
"ended": "2021-03-21T00:35:37.743799Z",
"start_waiting": "2021-03-20T21:31:46.513941Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-15.png",
"player_count": 2,
"ranked": true
}
]
}