HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58709,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5477",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5475",
"results": [
{
"id": 84943,
"name": "Classic W.D.D.T. XLVIII",
"director": {
"id": 959671,
"username": "ZachLee",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/9f6a01a48db5819cb29f790866e3ad03-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1422.2965587704578,
"deviation": 64.39474436082165,
"volatility": 0.05998151141691156
}
},
"ranking": 23.071981640961692,
"professional": false,
"ui_class": ""
},
"description": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8129,
"name": "ZEN Go",
"summary": "The search for happiness is one of the chief sources of unhappiness.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 47,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-02-07T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-02-07T00:00:44.159802Z",
"ended": "2022-04-26T18:58:49.606685Z",
"start_waiting": "2022-02-07T00:00:43.847129Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 132414,
"name": "Irish Correspondence Championship 2025 Bracket B",
"director": {
"id": 427361,
"username": "shinuito",
"country": "ie",
"icon": "https://secure.gravatar.com/avatar/c458ba70fd5fe051ac06f156c773cfea?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1862.6740776793572,
"deviation": 64.42747149726063,
"volatility": 0.05998197791935546
}
},
"ranking": 29.316468922041874,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "Brackets of 5-8 players ideally, but can be changed if necessary.\n\nRound Robin with 14 days main time and a Fischer increment of 1 day per move, up to 28 days.\n\nHave fun!",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 95973,
"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": 206,
"icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-09-29T08:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 15,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2025-09-29T08:00:29.461932Z",
"ended": null,
"start_waiting": "2025-09-29T08:00:29.304095Z",
"board_size": 19,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 85663,
"name": "19x19 Traditional monthly tournament III/22",
"director": {
"id": 929191,
"username": "EnsoZEN",
"country": "cz",
"icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1463.5820448380764,
"deviation": 67.30723430909097,
"volatility": 0.06004488935091738
}
},
"ranking": 23.734396346844115,
"professional": false,
"ui_class": ""
},
"description": "☸️ Have ZEN!🧘\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8129,
"name": "ZEN Go",
"summary": "The search for happiness is one of the chief sources of unhappiness.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 47,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-03-01T00:00:00Z",
"players_start": 6,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-03-01T00:00:27.636120Z",
"ended": "2022-06-17T20:48:24.274960Z",
"start_waiting": "2022-03-01T00:00:25.998503Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 391,
"name": "holywarrior's tournament of the wise",
"director": {
"id": 2888,
"username": "holywarrior",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/281065e5a9c2a99ec2908564c4abcbf4?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1562.5212201311695,
"deviation": 64.26190143848615,
"volatility": 0.06003171395128944
}
},
"ranking": 25.24872575061682,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 259200,
"time_control_parameters": {
"time_control": "simple",
"per_move": 259200
},
"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": 381,
"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": 20,
"max_ranking": 23,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-08-15T08:47:55Z",
"ended": "2008-08-15T06:47:55Z",
"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,
"ranked": true
},
{
"id": 85667,
"name": "Classic W.D.D.T. LI",
"director": {
"id": 959671,
"username": "ZachLee",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/9f6a01a48db5819cb29f790866e3ad03-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1422.2965587704578,
"deviation": 64.39474436082165,
"volatility": 0.05998151141691156
}
},
"ranking": 23.071981640961692,
"professional": false,
"ui_class": ""
},
"description": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8129,
"name": "ZEN Go",
"summary": "The search for happiness is one of the chief sources of unhappiness.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 47,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-02-28T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-02-28T00:00:32.597715Z",
"ended": "2022-04-04T15:09:12.963945Z",
"start_waiting": "2022-02-28T00:00:32.470136Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 82101,
"name": "Classic W.D.D.T. XXXVI",
"director": {
"id": 598257,
"username": "Lukyn",
"country": "cz",
"icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1303.3730922499276,
"deviation": 65.60933899360938,
"volatility": 0.059950937362118116
}
},
"ranking": 21.05058684781348,
"professional": false,
"ui_class": "supporter"
},
"description": "Classic weekly double death tournament.\n\nImportant! This is a tournament for beginners and intermediates. All registered players acknowledge that if they increase their position by more than 2 classes during the tournament, they will be disqualified.",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8129,
"name": "ZEN Go",
"summary": "The search for happiness is one of the chief sources of unhappiness.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 47,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-11-15T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-11-15T00:00:32.370444Z",
"ended": "2022-01-22T19:22:52.665820Z",
"start_waiting": "2021-11-15T00:00:32.183106Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 35918,
"name": "Training turney",
"director": {
"id": 460454,
"username": "Khadziya",
"country": "id",
"icon": "https://user-uploads.online-go.com/1241f82b383e0c9aa043890627977f2b-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1513.0748793055748,
"deviation": 64.02069240422253,
"volatility": 0.05999825962518689
}
},
"ranking": 24.504296774669363,
"professional": false,
"ui_class": ""
},
"description": "Enjoy",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"period_time": 86400,
"main_time": 259200,
"system": "byoyomi",
"pause_on_weekends": true,
"time_control": "byoyomi",
"periods": 5,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2170,
"name": "Serenity",
"summary": "When wisdom comes and ambitions go away, only pure enjoyment of the game remains.",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 48,
"icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-03-31T06:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-03-31T11:32:10.727046Z",
"ended": "2018-06-11T10:56:59.651908Z",
"start_waiting": "2018-03-31T11:32:10.086859Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 5024,
"name": "Takeda Ryu (9) 19x19 for 7-14 Kyu",
"director": {
"id": 2183,
"username": "udhar_nabresh",
"country": "ro",
"icon": "https://secure.gravatar.com/avatar/c00d28977111f76b775edc5ed92b2295?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1483.7187225186146,
"deviation": 63.111956565837474,
"volatility": 0.059310222256395144
}
},
"ranking": 24.05073416150837,
"professional": false,
"ui_class": ""
},
"description": "19x19 board,single round robin, 7-14 kyu",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": 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": 381,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2015-02-17T23:00:55Z",
"players_start": 2,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 16,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-02-15T08:47:08.402625Z",
"ended": "2015-06-08T06:48:02.823803Z",
"start_waiting": "2015-02-15T08:47:07.609391Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 9,
"ranked": true
},
{
"id": 2207,
"name": "RaikB's mini-tournament",
"director": {
"id": 20675,
"username": "RaikB",
"country": "de",
"icon": "https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1780.665751010124,
"deviation": 65.40966971956041,
"volatility": 0.0596596409427389
}
},
"ranking": 28.274121197571755,
"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": false,
"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": 381,
"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": 14,
"max_ranking": 23,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2013-05-11T21:45:35Z",
"ended": "2013-10-28T23:25:58.171057Z",
"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,
"ranked": true
},
{
"id": 47482,
"name": "190419练习赛(初级组)",
"director": {
"id": 619634,
"username": "TheOGSnoob",
"country": "_Starfleet",
"icon": "https://user-uploads.online-go.com/a75075d258d505870dbc4cd63dc058b1-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2146.0169966722465,
"deviation": 79.44705415198482,
"volatility": 0.059989259763153176
}
},
"ranking": 32.59451894394109,
"professional": false,
"ui_class": ""
},
"description": "练习赛,水平要求野狐6级以下\n\n如无特殊情况参加者不能用假期功能停止计时,大家要多运用预设条件下子功能。\n\n参加者下的棋我都会做简单的复盘,会在对局里摆出变化图\n\n另外若新比赛开始时,老比赛没有完成任何一局的成员,需要先至少完成一场老比赛才能报名新比赛",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 15360,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 86400,
"max_time": 172800,
"time_increment": 14400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 3435,
"name": "高川格fans",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 24,
"icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-04-19T11:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 23,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2019-04-19T11:00:01.173111Z",
"ended": "2019-05-04T01:52:35.101787Z",
"start_waiting": "2019-04-19T11:00:00.716772Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-15.png",
"player_count": 5,
"ranked": true
}
]
}