HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58352,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1046",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1044",
"results": [
{
"id": 75123,
"name": "Attack on titan",
"director": {
"id": 750171,
"username": "KHAE",
"country": "th",
"icon": "https://user-uploads.online-go.com/56d33c7e8e7ce67f73aa947fd300727b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1287.039113571418,
"deviation": 62.03202260607443,
"volatility": 0.06028614816374175
}
},
"ranking": 20.758635924188564,
"professional": false,
"ui_class": ""
},
"description": "Attack on titan go⚫️🆚⚪️",
"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": 9161,
"name": "Anime all",
"summary": "เข้าได้ทุกคน\n",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 13,
"icon": "https://user-uploads.online-go.com/ae6dd6b298fdb94bfaaff41462c3f8a2-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-05-14T03:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-05-14T06:51:35.933777Z",
"ended": "2021-05-29T08:20:00.004444Z",
"start_waiting": "2021-05-14T06:51:35.775176Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ae6dd6b298fdb94bfaaff41462c3f8a2-15.png",
"player_count": 4
},
{
"id": 98729,
"name": "余啟睿 駱皓希",
"director": {
"id": 818416,
"username": "傳碁學園",
"country": "un",
"icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1898.3468207617877,
"deviation": 71.28817954667363,
"volatility": 0.06041644550084839
}
},
"ranking": 29.755630942351214,
"professional": false,
"ui_class": ""
},
"description": "余啟睿\n駱皓希",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "chinese",
"time_per_move": 35,
"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": 7531,
"name": "傳碁 C班",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 87,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2023-01-08T08:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2023-01-08T07:47:03.364082Z",
"ended": "2023-01-08T08:25:41.470838Z",
"start_waiting": "2023-01-08T07:47:03.310002Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 38145,
"name": "Correspondence 19x19 RoundRobin 2018-06-15 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:20251113T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-13T19:00:05.945890Z",
"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": "2025-11-16T19:00:00Z",
"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": "2018-06-15T01:00:32.356142Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-06-15T01:00:59.364756Z",
"ended": "2019-01-17T13:54:27.883873Z",
"start_waiting": "2018-06-15T01:00:56.238957Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 98720,
"name": "5 -> 霍景行 岑SIR",
"director": {
"id": 818416,
"username": "傳碁學園",
"country": "un",
"icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1898.3468207617877,
"deviation": 71.28817954667363,
"volatility": 0.06041644550084839
}
},
"ranking": 29.755630942351214,
"professional": false,
"ui_class": ""
},
"description": "5 -> 霍景行 岑SIR",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 44,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 1800,
"period_time": 30,
"periods": 1
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 7531,
"name": "傳碁 C班",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 87,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2023-01-08T04:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2023-01-08T03:49:18.543175Z",
"ended": "2023-01-08T04:43:34.998246Z",
"start_waiting": "2023-01-08T03:49:18.489301Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 8264,
"name": "Goon Le4gue: Let's try McMahon I Guess",
"director": {
"id": 371,
"username": "DQuad",
"country": "us",
"icon": "https://user-uploads.online-go.com/ea4cdae7eb67da72e8c8705157e128b4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1214.2539760647485,
"deviation": 66.94877493726118,
"volatility": 0.06014088893562639
}
},
"ranking": 19.41097157599287,
"professional": false,
"ui_class": "supporter"
},
"description": "For only the coolest dudes",
"schedule": null,
"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": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 8,
"name": "SA",
"summary": "All Power to the People (and sugoi animes)\n\nWant in? Post in thread!",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 87,
"icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-64.png"
},
"auto_start_on_max": true,
"time_start": "2015-07-01T21:06:00Z",
"players_start": 10,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-07-01T21:06:47.913389Z",
"ended": "2019-12-23T18:19:28.440297Z",
"start_waiting": "2015-07-01T21:06:46.001475Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-15.png",
"player_count": 40
},
{
"id": 37500,
"name": "UoY Go Society - 2nd Tournament",
"director": {
"id": 460488,
"username": "CJBGO",
"country": "150",
"icon": "https://user-uploads.online-go.com/07a5e659a4223668034b1175b52eb04f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1134.1175988475043,
"deviation": 64.45863150577209,
"volatility": 0.0598408383720753
}
},
"ranking": 17.830405925005458,
"professional": false,
"ui_class": ""
},
"description": "Hi everyone",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 88320,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 172800,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 1814,
"name": "University of York Go Society",
"summary": "University of York (UK) Go Society",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 28,
"icon": "https://user-uploads.online-go.com/acf03417e40cfdfd51fc47278d423a4c-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-05-22T17:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"started": "2018-05-30T09:25:34.079773Z",
"ended": "2018-09-07T08:42:19.866884Z",
"start_waiting": "2018-05-30T09:25:33.793028Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/acf03417e40cfdfd51fc47278d423a4c-15.png",
"player_count": 4
},
{
"id": 81500,
"name": "Very Fast Correspondance for 9k-13k",
"director": {
"id": 1015821,
"username": "TimSeok",
"country": "_United_Nations",
"icon": "https://user-uploads.online-go.com/23efcd90e76c1f96a3d8996eb59f5435-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1225.689468937913,
"deviation": 65.38854396695815,
"volatility": 0.060016401627909374
}
},
"ranking": 19.627971358462013,
"professional": false,
"ui_class": ""
},
"description": "Very Fast Correspondance for 9k-13k.\n\nUse the conditionnal move feature to speed up the game.\n\nPlease, avoid delaying your games using the vacation feature.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 31680,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 28800,
"initial_time": 259200,
"max_time": 345600
},
"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": 798,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": true,
"time_start": "2021-10-25T09:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 17,
"max_ranking": 21,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2021-10-21T20:56:05.475142Z",
"ended": "2021-11-14T03:10:22.496160Z",
"start_waiting": "2021-10-21T20:56:05.252888Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 5
},
{
"id": 116911,
"name": "13x13 New Zealand 25k-10k League #4",
"director": {
"id": 178104,
"username": "dexonsmith",
"country": "ca",
"icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1375.8309914548945,
"deviation": 67.96862811490783,
"volatility": 0.06063903861397135
}
},
"ranking": 22.303055453106015,
"professional": false,
"ui_class": "supporter"
},
"description": "25k-10k. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "nz",
"time_per_move": 90782,
"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": 14024,
"name": "New Zealand Ladders",
"summary": "Group for ladders and tournaments that use New Zealand rules.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 81,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-06-25T03:13:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-06-20T17:13:30.499169Z",
"ended": "2024-08-23T13:48:16.522699Z",
"start_waiting": "2024-06-20T17:13:30.333984Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png",
"player_count": 5
},
{
"id": 19480,
"name": "Correspondence 13x13 RoundRobin 2016-08-01 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": 7,
"name": "Correspondence 13x13 RoundRobin",
"rrule": "DTSTART:20251114T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-11-14T19:00:06.115130Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 13,
"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": "2025-11-17T19:00:00Z",
"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": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-08-01T01:00:18.921703Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-08-01T01:01:10.066780Z",
"ended": "2016-09-14T19:20:04.609217Z",
"start_waiting": "2016-08-01T01:01:07.164852Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 9
},
{
"id": 73957,
"name": "OPEN TO ALL - Go Beginners - +15k",
"director": {
"id": 75250,
"username": "mcardenas",
"country": "ar",
"icon": "https://user-uploads.online-go.com/e99f42d2b8300f36dc8caaa5d5149fe4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 952.1642396684373,
"deviation": 65.15643795973772,
"volatility": 0.05996596142427853
}
},
"ranking": 13.782104285234388,
"professional": false,
"ui_class": ""
},
"description": "OPEN TO ALL the player from 15 to 25k",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": 177,
"name": "GO Beginners",
"summary": "For alle GO beginners of the world. We play tournaments with rating limit.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 260,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2021-04-23T01:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 15,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-04-23T01:00:11.292087Z",
"ended": "2021-08-17T00:15:16.560173Z",
"start_waiting": "2021-04-23T01:00:10.422382Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 8
}
]
}