HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58364,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5463",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5461",
"results": [
{
"id": 125740,
"name": "19x19 Open League #77",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1330.0061912285266,
"deviation": 70.70952490294718,
"volatility": 0.06013477631623636
}
},
"ranking": 21.518865206515677,
"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/12599",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"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": false,
"group": {
"id": 12599,
"name": "GO Special Tournaments",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 60,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-03-09T22:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-03-06T12:38:35.541039Z",
"ended": "2025-05-20T15:36:59.157521Z",
"start_waiting": "2025-03-06T12:38:34.939275Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png",
"player_count": 10
},
{
"id": 113020,
"name": "Monday Morning 19x19 #29",
"director": {
"id": 1246361,
"username": "katonal_edu",
"country": "hu",
"icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1519.4900345121234,
"deviation": 66.18700894543053,
"volatility": 0.05999710756939137
}
},
"ranking": 24.60224096962113,
"professional": false,
"ui_class": ""
},
"description": "To have a good start of the week you need to join this 19x19 #29 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87768,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 172800,
"max_time": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 12889,
"name": "Monday Morning",
"summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 43,
"icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-04-01T08:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 27,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-04-01T08:00:02.260002Z",
"ended": "2024-06-06T10:46:20.161931Z",
"start_waiting": "2024-04-01T08:00:02.140924Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png",
"player_count": 6
},
{
"id": 113100,
"name": "Blitz 19x19 Elimination Tournament 2024-02-22 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 Site-wide Tournament",
"schedule": {
"id": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20251116T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-11-16T09:00:05.177185Z",
"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": "2025-11-16T13:00:00Z",
"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": "2024-02-22T13:30:28.149198Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-02-22T13:31:28.229934Z",
"ended": "2024-02-22T13:50:28.055250Z",
"start_waiting": "2024-02-22T13:31:28.147104Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4
},
{
"id": 113834,
"name": "CHEERFUL GO #54 Single Elimination",
"director": {
"id": 1220803,
"username": "nobhaete",
"country": "cn",
"icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1847.0369362957213,
"deviation": 75.88565427260252,
"volatility": 0.05985810484704035
}
},
"ranking": 29.121304411558473,
"professional": false,
"ui_class": ""
},
"description": "Hi everyone, welcome and have fun!\n\nSingle elimination tournament every Thursday.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "chinese",
"time_per_move": 43884,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 43200,
"initial_time": 86400,
"max_time": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 12619,
"name": "Happy Go!!!",
"summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 68,
"icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-03-21T04:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 34,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-03-21T04:00:36.020457Z",
"ended": "2024-03-28T18:43:26.436885Z",
"start_waiting": "2024-03-21T04:00:35.959511Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
"player_count": 4
},
{
"id": 113077,
"name": "☆★Kyu Level Match★☆ 19x19 (Ranking)",
"director": {
"id": 1517595,
"username": "deleted-c450503a-a3ed-4365-a208-e1dda8262208",
"country": "kr",
"icon": "https://user-uploads.online-go.com/3b8d49e36d3ae7ecf441bd4510b0cbc4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1174.1092143440676,
"deviation": 67.30388423481288,
"volatility": 0.060036122662211824
}
},
"ranking": 18.63266551761154,
"professional": false,
"ui_class": ""
},
"description": "여러분의 관심이 필요합니다",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 15768,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 14400,
"initial_time": 172800,
"max_time": 2419200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 351,
"name": "Fight Club",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 367,
"icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-03-01T01:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-02-22T13:16:48.988232Z",
"ended": "2024-04-08T07:33:50.173995Z",
"start_waiting": "2024-02-22T13:16:48.135636Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png",
"player_count": 10
},
{
"id": 112733,
"name": "Go Zodiac Friendship Games Online ราศีกุมภ์ รุ่น B กระดาน 19x19 (1-2 ดั้ง)",
"director": {
"id": 912068,
"username": "cp02",
"country": "un",
"icon": "https://user-uploads.online-go.com/ae018e5524da4ed68a067c720b339b3f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 577.5643898885711,
"deviation": 162.98419420020335,
"volatility": 0.060035749766876666
}
},
"ranking": 5,
"professional": false,
"ui_class": "provisional"
},
"description": "Go Zodiac Friendship Games Online ราศีกุมภ์ รุ่น B กระดาน 19x19 (1-2 ดั้ง)",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 15,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 600,
"period_time": 10,
"periods": 5
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 10404,
"name": "Zodiac กลุ่ม B(1-2 ดั้ง)",
"summary": "",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 111,
"icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-02-23T10:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2024-02-23T10:00:29.169329Z",
"ended": "2024-02-23T11:03:46.749601Z",
"start_waiting": "2024-02-23T10:00:29.090836Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png",
"player_count": 4
},
{
"id": 114050,
"name": "German Chat Invitational Tournament 🏆",
"director": {
"id": 1212052,
"username": "Outworlder",
"country": "_NATO",
"icon": "https://user-uploads.online-go.com/84cf0c406a41d56c51df2f5052044a61-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1498.624779662803,
"deviation": 63.23195270187299,
"volatility": 0.05997789578432205
}
},
"ranking": 24.282148212990215,
"professional": false,
"ui_class": "supporter"
},
"description": "Ungezwungenes Turnier für die Mitglieder des Deutsch Chatrooms.",
"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": false,
"group": {
"id": 654,
"name": "German Chat Community - GCC",
"summary": "A group for internal games and entertainments of the German chat community",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 70,
"icon": "https://user-uploads.online-go.com/fd66cb8c163d549218526b0bcbc2b50e-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-03-21T08:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2024-03-21T08:00:36.337465Z",
"ended": "2024-05-16T10:41:46.218511Z",
"start_waiting": "2024-03-21T08:00:35.980734Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fd66cb8c163d549218526b0bcbc2b50e-15.png",
"player_count": 7
},
{
"id": 122402,
"name": "It's a journey. Let's get stronger! #6",
"director": {
"id": 1186160,
"username": "hanzpk",
"country": "id",
"icon": "https://secure.gravatar.com/avatar/9245cc93e872b1d6469e9924bdfc1000?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1202.6641379137827,
"deviation": 67.70475617851993,
"volatility": 0.059963183953574424
}
},
"ranking": 19.18894766197168,
"professional": false,
"ui_class": ""
},
"description": "Gather your strength then lash out!",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 89135,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 345600,
"period_time": 86400,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 12619,
"name": "Happy Go!!!",
"summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 68,
"icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-12-15T09:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "random",
"min_ranking": 10,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-15T09:00:54.739068Z",
"ended": "2025-11-04T09:20:17.121131Z",
"start_waiting": "2024-12-15T09:00:54.033473Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
"player_count": 17
},
{
"id": 118252,
"name": "Blitz 19x19 Elimination Tournament 2024-07-18 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 Site-wide Tournament",
"schedule": {
"id": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20251116T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-11-16T09:00:05.177185Z",
"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": "2025-11-16T13:00:00Z",
"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": "2024-07-18T09:30:01.750299Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2024-07-18T09:31:01.809460Z",
"ended": "2024-07-18T09:54:34.993859Z",
"start_waiting": "2024-07-18T09:31:01.757115Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4
},
{
"id": 91857,
"name": "Open to all - Double Elimination 19x19",
"director": {
"id": 987760,
"username": "deleted-f41b36e6-1556-4899-a775-dc2c1cd9ebb4",
"country": "ca",
"icon": "https://user-uploads.online-go.com/ec04439eea132df85e433a87c1f8a3c0-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2106.117124550817,
"deviation": 68.03535601314194,
"volatility": 0.05996971658182498
}
},
"ranking": 32.16005045129194,
"professional": false,
"ui_class": ""
},
"description": "Hi everyone & welcome. I really like double elimination tournaments, but they seem few and far between on OGS. So I've made one.\n\nHopefully enough people will sign up that I can make this into a regular monthly event!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": true,
"group": {
"id": 1843,
"name": "Open Study Room",
"summary": "Community of go players who play long serious games in leagues, study together, set up lectures.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1802,
"icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-08-01T17:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-08-01T17:00:38.980244Z",
"ended": "2024-11-06T00:19:27.209341Z",
"start_waiting": "2022-08-01T17:00:38.294108Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-15.png",
"player_count": 47
}
]
}
