HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57619,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5548",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5546",
"results": [
{
"id": 62132,
"name": "Fast Correspondence July SDK",
"director": {
"id": 514162,
"username": "aixpen",
"country": "gb",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/e47ca542220a4e8a4403b3e7731c10d0-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1611.0543996011113,
"deviation": 62.517388491089044,
"volatility": 0.059933163056202776
}
},
"ranking": 25.956842298256998,
"professional": false,
"ui_class": "supporter"
},
"description": "Please avoid delaying your games: plan to not take vacation until your tournament participation is finished.\n\nAnalysis is enabled to allow the use of conditional moves.\n\nPause on weekends is disabled.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 30720,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 28800,
"initial_time": 172800,
"max_time": 172800
},
"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": 787,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-06-30T23:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-06-24T07:00:33.877741Z",
"ended": "2020-08-29T02:20:02.849108Z",
"start_waiting": "2020-06-24T07:00:30.418476Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10
},
{
"id": 70034,
"name": "Blitz 19x19 Elimination Tournament 2021-01-12 09:30",
"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:20250901T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-01T17:00:14.747660Z",
"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": "2025-09-01T21:00:00Z",
"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": "2021-01-12T09:30:41.879947Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-01-12T09:31:42.021767Z",
"ended": "2021-01-12T10:25:30.049769Z",
"start_waiting": "2021-01-12T09:31:41.608506Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 45233,
"name": "19x19 D.E.\(^-^)/┬──┬ ლ(゚д゚ლ)",
"director": {
"id": 584481,
"username": "Mulsiphix",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.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 ‘Fast 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\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.<BR><BR>",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "chinese",
"time_per_move": 45120,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 259200,
"time_increment": 43200,
"speed": "correspondence"
},
"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://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-12-25T21:00:00Z",
"players_start": 20,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-01-30T18:01:47.134236Z",
"ended": "2021-01-14T21:58:24.633796Z",
"start_waiting": "2020-01-30T18:01:45.443495Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 20
},
{
"id": 1895,
"name": "Summer Duck mini tournament",
"director": {
"id": 43670,
"username": "hunterduck",
"country": "ru",
"icon": "https://secure.gravatar.com/avatar/a6eb2104d29c8f4b8ecec3977edc4076?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1403.0185134040873,
"deviation": 85.21592139038746,
"volatility": 0.05998980779248808
}
},
"ranking": 22.75605675112565,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"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": 2,
"max_ranking": 14,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2012-11-21T18:22:45Z",
"ended": "2012-11-21T17:22:45Z",
"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": 70242,
"name": "Blitz 19x19 Elimination Tournament 2021-01-17 17:30",
"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:20250901T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-01T17:00:14.747660Z",
"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": "2025-09-01T21:00:00Z",
"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": "2021-01-17T17:30:06.286076Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-01-17T17:30:07.758655Z",
"ended": "2021-01-17T18:03:36.578459Z",
"start_waiting": "2021-01-17T17:30:07.524167Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7
},
{
"id": 60943,
"name": "Everyone invited(Except Pro)",
"director": {
"id": 647177,
"username": "Kotrap",
"country": "sg",
"icon": "https://secure.gravatar.com/avatar/175bcdb2d57ed7921fa092e893bd8bdd?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1358.5981009778875,
"deviation": 75.27873350889153,
"volatility": 0.06002967536264566
}
},
"ranking": 22.011260213334108,
"professional": false,
"ui_class": ""
},
"description": "Join in! No matter what rank are you!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"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": 3704,
"name": "lions roar",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 62,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2020-05-24T08:10:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-05-24T08:10:22.037617Z",
"ended": "2021-02-18T19:27:11.100344Z",
"start_waiting": "2020-05-24T08:10:19.396748Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 31
},
{
"id": 70132,
"name": "Irish Correspondence Championship 2021 Bracket A",
"director": {
"id": 430,
"username": "rottenhat",
"country": "ie",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/39625f5d6aa9484f8212327bf6eb9290-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1781.280091736795,
"deviation": 62.057718815549876,
"volatility": 0.05995437910309559
}
},
"ranking": 28.28210671368644,
"professional": false,
"ui_class": ""
},
"description": "Email eoghanbarry at outlook dot com with your name and OGS username by February 7th to join.\n\nMultiple brackets of 6–8 players if I get enough entries. \n\nOpen to anyone who is Irish, has ever lived in Ireland, is married or otherwise related to someone Irish, or has any connection to Irish go, however tenuous.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 99840,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 1209600,
"max_time": 2419200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 858,
"name": "Ireland",
"summary": "For Irish go players, and friends of Irish go, wherever they may roam...",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 204,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/8989a3e10859e69fe3e05106fc9f6be1-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-02-15T09:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2021-02-15T09:00:32.041824Z",
"ended": "2021-07-30T10:43:55.790726Z",
"start_waiting": "2021-02-15T09:00:31.441154Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/8989a3e10859e69fe3e05106fc9f6be1-15.png",
"player_count": 7
},
{
"id": 69155,
"name": "テストトーナメント",
"director": {
"id": 785836,
"username": "yushima02",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/af0b2ccf7e77e74f948d3a98fa897940?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": "テストリーグです",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": 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": 112,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/8246898de5c953274f7be81122b75b69-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-12-20T04:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-12-20T03:52:41.837826Z",
"ended": "2020-12-20T03:55:58.079322Z",
"start_waiting": "2020-12-20T03:52:41.678919Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/8246898de5c953274f7be81122b75b69-15.png",
"player_count": 3
},
{
"id": 100253,
"name": "Blitz 19x19 Elimination Tournament 2023-02-18 17:30",
"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:20250901T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-01T17:00:14.747660Z",
"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": "2025-09-01T21:00:00Z",
"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": "2023-02-18T17:30:47.155618Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2023-02-18T17:31:46.320033Z",
"ended": "2023-02-18T18:01:11.384198Z",
"start_waiting": "2023-02-18T17:31:46.116161Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 5
},
{
"id": 69726,
"name": "2021/01/04 15:00",
"director": {
"id": 841903,
"username": "Clayton 2012",
"country": "hk",
"icon": "https://secure.gravatar.com/avatar/acf053bd9afd8eb70f1ce036e1cd7197?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 855.9249966897519,
"deviation": 65.68853498360008,
"volatility": 0.06007288177782305
}
},
"ranking": 11.315360920851413,
"professional": false,
"ui_class": ""
},
"description": "Have a good game",
"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": false,
"group": {
"id": 5351,
"name": "2025vs ",
"summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 192,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/800b4a0d234e19e92a200d1dd3e4faff-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-01-07T07:00:00Z",
"players_start": 3,
"first_pairing_method": "strength",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-01-07T07:00:31.102163Z",
"ended": "2021-01-11T01:56:51.011484Z",
"start_waiting": "2021-01-07T07:00:30.905419Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/800b4a0d234e19e92a200d1dd3e4faff-15.png",
"player_count": 3
}
]
}