HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58865,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4536",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4534",
"results": [
{
"id": 104920,
"name": "9x9 SDK tournament #1",
"director": {
"id": 1067981,
"username": "Averyw123",
"country": "nz",
"icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1274.6513862158752,
"deviation": 65.37626830930803,
"volatility": 0.06010299986513658
}
},
"ranking": 20.534738366137827,
"professional": false,
"ui_class": "supporter"
},
"description": "Have fun! More details at https://online-go.com/group/10855",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 181943,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 259200,
"period_time": 172800,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 10855,
"name": "⚫️The Brilliant World Of OGS⚪️",
"summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 191,
"icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-07-04T09:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-07-04T09:00:57.774752Z",
"ended": "2023-08-14T00:47:55.302068Z",
"start_waiting": "2023-07-04T09:00:57.608386Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 97767,
"name": "Julko's 11",
"director": {
"id": 15530,
"username": "Julko",
"country": "pl",
"icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 852.7486858354167,
"deviation": 67.6235213545211,
"volatility": 0.05929886845025885
}
},
"ranking": 11.229292197806773,
"professional": false,
"ui_class": "supporter"
},
"description": "Just for fun go.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"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": true,
"group": {
"id": 7,
"name": "Polish Go Players",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 452,
"icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-64.png"
},
"auto_start_on_max": true,
"time_start": "2022-12-14T05:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-12-13T21:20:04.817667Z",
"ended": "2023-03-25T18:21:00.879725Z",
"start_waiting": "2022-12-13T21:20:04.442452Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-15.png",
"player_count": 7,
"ranked": true
},
{
"id": 96041,
"name": "9x9 Mini League 10k-25k #97",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1333.5716058643557,
"deviation": 70.59048554309096,
"volatility": 0.060139902456181935
}
},
"ranking": 21.580841543912364,
"professional": false,
"ui_class": ""
},
"description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
"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",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3524,
"name": "9x9 Lovers",
"summary": "A group for Go players who love the 9x9 board.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2022-10-30T21:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-10-27T06:14:46.758421Z",
"ended": "2022-11-13T11:03:51.424343Z",
"start_waiting": "2022-10-27T06:14:46.611651Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 95078,
"name": "all box",
"director": {
"id": 1111279,
"username": "alvin124",
"country": "hk",
"icon": "https://user-uploads.online-go.com/5ebd6fd1cba57ca533d7c9dc75134e4e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1099.6725619868325,
"deviation": 64.6186286352423,
"volatility": 0.059976043733380446
}
},
"ranking": 17.116403484247016,
"professional": false,
"ui_class": ""
},
"description": "all can jion tournament",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 26880,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 2419200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 5590,
"name": "AI Communicate Group",
"summary": "",
"require_invitation": true,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 87,
"icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-10-31T08:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-10-31T08:00:01.380901Z",
"ended": "2023-03-24T12:26:16.728804Z",
"start_waiting": "2022-10-31T08:00:01.108452Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ace88ed00bb92d5712f408e9dcb98ac2-15.png",
"player_count": 9,
"ranked": true
},
{
"id": 68385,
"name": "Tournament 1",
"director": {
"id": 884044,
"username": "RainyOOF3218",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/29fa8e652cbc92c51d271658b1af3032?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 810.3739698028668,
"deviation": 76.51476025383911,
"volatility": 0.06001621886015777
}
},
"ranking": 10.049358737234558,
"professional": false,
"ui_class": ""
},
"description": "Weeeee Firt Compition!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 631680,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 604800,
"initial_time": 2419200,
"max_time": 2419200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 7455,
"name": "[IR] Clan On Go",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 2,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-11-29T23:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-12-04T04:58:57.279872Z",
"ended": "2021-01-31T02:47:12.243119Z",
"start_waiting": "2020-12-04T04:58:57.006558Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4,
"ranked": true
},
{
"id": 128188,
"name": "Correspondence 19x19 RoundRobin 2025-05-06 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 Site-wide 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": 88451,
"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": "2025-05-06T19:00:54.301012Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-05-06T19:01:54.792490Z",
"ended": null,
"start_waiting": "2025-05-06T19:01:54.284243Z",
"board_size": 19,
"active_round": 1,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10,
"ranked": true
},
{
"id": 135050,
"name": "13x13 Mini League 10k-25k #38",
"director": {
"id": 1688153,
"username": "Mittelmark",
"country": "de",
"icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1157.4817444168732,
"deviation": 67.14133890971716,
"volatility": 0.060026346615081376
}
},
"ranking": 18.302476851445164,
"professional": false,
"ui_class": "supporter"
},
"description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 93703,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 432000,
"max_time": 1209600
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 161,
"name": "13x13",
"summary": "Like to play on a 13 x 13 board?",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 51,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2025-12-12T18:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2025-12-10T14:36:45.649611Z",
"ended": null,
"start_waiting": "2025-12-10T14:36:45.429981Z",
"board_size": 13,
"active_round": 1,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 5,
"ranked": true
},
{
"id": 129030,
"name": "booboo",
"director": {
"id": 1789953,
"username": "knightsmovethinking",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/d134a15277f42c83a6694cc16e382ed3?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1662.3108939062977,
"deviation": 290.31896371798047,
"volatility": 0.05999967537233814
}
},
"ranking": 26.681897238489267,
"professional": false,
"ui_class": "provisional"
},
"description": "booboo",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 52,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 10,
"initial_time": 1200,
"max_time": 3600
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 15382,
"name": "booboo",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 2,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2025-06-01T22:16:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0,
"ranked": true
},
{
"id": 95828,
"name": "GOI tournament",
"director": {
"id": 1095664,
"username": "USE17",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/8a6e68aaae476904d26cb7a7372643ea?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1188.792006203979,
"deviation": 61.76404829061147,
"volatility": 0.0606255655038105
}
},
"ranking": 18.920372006199532,
"professional": false,
"ui_class": ""
},
"description": "Beginner tournament",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": -1,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 120,
"period_time": 12,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 93,
"name": "GO Italia",
"summary": "Il gruppo per i giocatori di GO italiani.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 200,
"icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-10-20T01:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 19,
"max_ranking": 27,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-10-20T01:00:42.639587Z",
"ended": "2022-10-20T01:11:08.508769Z",
"start_waiting": "2022-10-20T01:00:42.569229Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/02421a9877e5d65462bc65fcc7f0fd0e-15.png",
"player_count": 3,
"ranked": true
},
{
"id": 111301,
"name": "Correspondence 13x13 RoundRobin 2024-01-04 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": 7,
"name": "Correspondence 13x13 RoundRobin",
"rrule": "DTSTART:20251226T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-12-26T19:00:11.503048Z",
"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": "2025-12-29T19:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 90782,
"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": "2024-01-04T19:00:47.808031Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-01-04T19:01:48.315477Z",
"ended": "2024-03-14T16:57:05.027347Z",
"start_waiting": "2024-01-04T19:01:47.610308Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 10,
"ranked": true
}
]
}
