HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58856,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4548",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4546",
"results": [
{
"id": 39856,
"name": "Blitz 19x19 Elimination Tournament 2018-08-10 13:30",
"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": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20251228T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-12-28T21:00:43.422587Z",
"lead_time_seconds": 1800,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 100
},
"next_run": "2025-12-29T01:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2018-08-10T13:30:14.594261Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-08-10T13:30:17.278424Z",
"ended": "2018-08-10T14:05:51.563417Z",
"start_waiting": "2018-08-10T13:30:16.836483Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 5,
"ranked": true
},
{
"id": 39400,
"name": "Blitz 19x19 Elimination Tournament 2018-07-25 21:30",
"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": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20251228T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-12-28T21:00:43.422587Z",
"lead_time_seconds": 1800,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 100
},
"next_run": "2025-12-29T01:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2018-07-25T21:30:00.540822Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-07-25T21:30:03.446452Z",
"ended": "2018-07-25T21:53:48.492044Z",
"start_waiting": "2018-07-25T21:30:02.595554Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4,
"ranked": true
},
{
"id": 84215,
"name": "Happy New Year (Weekend) Competition #2—Medium Level Group 19x19",
"director": {
"id": 1065846,
"username": "Felix the Phoenix",
"country": "nz",
"icon": "https://user-uploads.online-go.com/e332d5696cee3ae659e518b6dae79a6f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1442.0911710199657,
"deviation": 60.525251779380696,
"volatility": 0.05994262403078612
}
},
"ranking": 23.391947100744954,
"professional": false,
"ui_class": ""
},
"description": "Hi! Welcome to the Contest #1 2022! This competition is specially held for people between 10k-1k! Feel free to take part!",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": -1,
"rules": "chinese",
"time_per_move": 182400,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 864000,
"period_time": 172800,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 10593,
"name": "Felix the Phoenix's Go Club of Fun",
"summary": "Felix the Phoenix's Go Club of Fun is a social club which allows players to game, chat and have fun. I hope you'll have a great time in the club!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 6,
"icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-01-09T01:00:00Z",
"players_start": 2,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 20,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-01-09T01:00:16.750774Z",
"ended": null,
"start_waiting": "2022-01-09T01:00:15.447712Z",
"board_size": 19,
"active_round": 8,
"icon": "https://user-uploads.online-go.com/905298dfa79456e1a238f56390c1f642-15.png",
"player_count": 24,
"ranked": true
},
{
"id": 38534,
"name": "MMT HUH! for Iceland",
"director": {
"id": 531817,
"username": "Dimmook",
"country": "001",
"icon": "https://user-uploads.online-go.com/4abb18ded69f9ce10f3fd2c216023a6e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1385.8093298626732,
"deviation": 103.07930445931714,
"volatility": 0.0600042730582976
}
},
"ranking": 22.47034699908022,
"professional": false,
"ui_class": ""
},
"description": "Tournament in honor of Iceland national football team.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": -1,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 432000,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2477,
"name": "Metal Monkey Temple",
"summary": "Sharing experience is our main goal.",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 7,
"icon": "https://user-uploads.online-go.com/23da3f4f0de7781af644302409de351b-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-07-27T12:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2018-07-27T12:00:47.343324Z",
"ended": "2018-08-03T20:50:28.744831Z",
"start_waiting": "2018-07-27T12:00:47.026732Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/23da3f4f0de7781af644302409de351b-15.png",
"player_count": 2,
"ranked": true
},
{
"id": 90726,
"name": "Aリーグ（2級以上）",
"director": {
"id": 776731,
"username": "AYAMI.S",
"country": "un",
"icon": "https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2135.391155460219,
"deviation": 62.434741307036,
"volatility": 0.05997799478924156
}
},
"ranking": 32.47960874599521,
"professional": false,
"ui_class": ""
},
"description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
"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": 7692,
"name": "Yushima Go Cafe （湯島囲碁喫茶）",
"summary": "This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 116,
"icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-06-09T11:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 28,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2022-06-09T11:00:19.195177Z",
"ended": "2022-07-19T03:30:00.752504Z",
"start_waiting": "2022-06-09T11:00:19.027824Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 46797,
"name": "Correspondence 19x19 RoundRobin 2019-03-24 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": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20251228T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-12-28T19:00:43.866143Z",
"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": "2025-12-31T19:00:00Z",
"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": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2019-03-24T19:00:03.684666Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-03-24T19:00:37.353877Z",
"ended": "2019-10-07T19:52:39.262624Z",
"start_waiting": "2019-03-24T19:00:35.174482Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 9,
"ranked": true
},
{
"id": 114959,
"name": "Foxy is wise",
"director": {
"id": 1546177,
"username": "Arctic fox 利易",
"country": "hk",
"icon": "https://user-uploads.online-go.com/10c8964614ad38e972b8d673499d8bd1-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 974.5035387301904,
"deviation": 67.8703918408508,
"volatility": 0.06020067267596378
}
},
"ranking": 14.31896689975682,
"professional": false,
"ui_class": ""
},
"description": "Have a great day",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 2419200,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 2419200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 14201,
"name": "Marblefox969",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 15,
"icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-05-01T11:00:00Z",
"players_start": 0,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-05-01T11:00:41.074873Z",
"ended": "2025-10-29T18:56:36.572530Z",
"start_waiting": "2024-05-01T11:00:40.994970Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 84461,
"name": "Absolute Fortnight - may 2022",
"director": {
"id": 710368,
"username": "Macrophage",
"country": "un",
"icon": "https://user-uploads.online-go.com/90a535ecb859bd75ac6553453904b2ab-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1739.4810047690712,
"deviation": 70.30097994863199,
"volatility": 0.059802368823971636
}
},
"ranking": 27.73239924787993,
"professional": false,
"ui_class": ""
},
"description": "-----\nNo pausing and no vacations; to make sure these games are “fast” anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\nBeware that this is fast correspondence.\n\nAlso, please do not use AI.\n\n---------------\n* Previous tournament:\nhttps://online-go.com/tournament/82869\n* Next tournament:\nhttps://online-go.com/tournament/86845",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13440,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": false,
"total_time": 1209600
},
"is_open": true,
"exclude_provisional": true,
"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": 802,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-04-30T23:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-04-30T23:00:19.038873Z",
"ended": "2022-07-19T10:42:18.846615Z",
"start_waiting": "2022-04-30T23:00:16.223740Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 53,
"ranked": true
},
{
"id": 66188,
"name": "Live 19x19 Swiss Tournament 2020-10-03 16:30",
"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:20251228T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-28T20:00:43.395852Z",
"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": "2025-12-29T00:00:00Z",
"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": "2020-10-03T16:30:33.294549Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-10-03T16:30:35.171637Z",
"ended": "2020-10-03T17:28:56.089869Z",
"start_waiting": "2020-10-03T16:30:34.646648Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 6,
"ranked": true
},
{
"id": 127475,
"name": "Live 19x19 Swiss Tournament 2025-04-14 16:30",
"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:20251228T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-28T20:00:43.395852Z",
"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": "2025-12-29T00:00:00Z",
"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": "2025-04-14T16:30:15.059662Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2025-04-14T16:31:15.142158Z",
"ended": "2025-04-14T17:27:50.425182Z",
"start_waiting": "2025-04-14T16:31:15.056816Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7,
"ranked": true
}
]
}
