HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58311,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=145",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=143",
"results": [
{
"id": 133965,
"name": "9x9 Open D.E. Cup #202",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1292.2022452062233,
"deviation": 71.09956782956624,
"volatility": 0.06013918489974378
}
},
"ranking": 20.85131950077235,
"professional": false,
"ui_class": ""
},
"description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 95543,
"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": 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": "2025-11-09T20:00:00Z",
"players_start": 8,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-11-05T10:23:31.780818Z",
"ended": null,
"start_waiting": "2025-11-05T10:23:31.679559Z",
"board_size": 9,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 8
},
{
"id": 111388,
"name": "讚啦👍。",
"director": {
"id": 1475810,
"username": "chiafang.chang",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/0ce5691972ef5eadf056ee1d43515d95?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 974.5522161692228,
"deviation": 139.95377633488016,
"volatility": 0.0599979882042733
}
},
"ranking": 14.320123236830302,
"professional": false,
"ui_class": ""
},
"description": "不要亂下棋♟️。",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"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": true,
"group": {
"id": 25,
"name": "Go Basics",
"summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17546,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-01-06T08:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 2
},
{
"id": 102730,
"name": "Toya Akira vs Shindo Hikaru",
"director": {
"id": 1315842,
"username": "Shindo hikaru",
"country": "th",
"icon": "https://user-uploads.online-go.com/215a77365ce34411257fe1c8ff604d42-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1143.4355925472928,
"deviation": 66.21933037714534,
"volatility": 0.060042034118935356
}
},
"ranking": 18.01983092593674,
"professional": false,
"ui_class": ""
},
"description": "Hi! Every body in this group(Hikaru no go club)\nI want to challenge everyone to make a match\nlike \"Toya Akira vs Shindo Hikaru\".\n\n\nThis tournament will start when people is at least 32\nand the rules is Japanese.Have fun!!\n\n\n Please start this Tournament by everyone!",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 17,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 900,
"period_time": 10,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 420,
"name": "Hikaru no go club",
"summary": "Sai is the way.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 751,
"icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-06-22T09:00:00Z",
"players_start": 32,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 37,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png",
"player_count": 4
},
{
"id": 134055,
"name": "Correspondence 19x19 RoundRobin 2025-11-05 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:20251107T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-07T19:00:32.938160Z",
"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": "2025-11-10T19:00:00Z",
"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": "2025-11-05T19:00:32.234876Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-11-05T19:01:33.154506Z",
"ended": null,
"start_waiting": "2025-11-05T19:01:32.250188Z",
"board_size": 19,
"active_round": 1,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 134087,
"name": "XI |Circuito Online de GO 4° ETAPA: ESTUDANTES FEMININO 2025",
"director": {
"id": 1586912,
"username": "smecoceudiesp",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/b1f6a7312ebcfdcb8be63243d4d511cb?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 710.3615547953566,
"deviation": 250,
"volatility": 0.06
}
},
"ranking": 7.000000000000001,
"professional": false,
"ui_class": "provisional"
},
"description": "Evento Oficial da Rede Municipal de Ensino",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 21,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "rapid",
"pause_on_weekends": false,
"time_increment": 10,
"initial_time": 300,
"max_time": 300
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6411,
"name": "CIRCUITO ONLINE SME-SP",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 480,
"icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-11-27T22:30:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"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://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png",
"player_count": 0
},
{
"id": 134089,
"name": "XI Circuito Online de GO 4° ETAPA: ESTUDANTES MASCULINO 2025",
"director": {
"id": 1586912,
"username": "smecoceudiesp",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/b1f6a7312ebcfdcb8be63243d4d511cb?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 710.3615547953566,
"deviation": 250,
"volatility": 0.06
}
},
"ranking": 7.000000000000001,
"professional": false,
"ui_class": "provisional"
},
"description": "Evento Oficial da Rede Municipal de Ensino",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 21,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "rapid",
"pause_on_weekends": false,
"time_increment": 10,
"initial_time": 300,
"max_time": 300
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6411,
"name": "CIRCUITO ONLINE SME-SP",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 480,
"icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-11-27T22:30:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"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://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png",
"player_count": 0
},
{
"id": 105211,
"name": "The basics of go",
"director": {
"id": 1384291,
"username": "GoPlayer0523",
"country": "hk",
"icon": "https://secure.gravatar.com/avatar/32371b48b8e9eb52839a836b87954e86?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1004.8875635131255,
"deviation": 128.02964407168244,
"volatility": 0.06001385212155593
}
},
"ranking": 15.029736415635146,
"professional": false,
"ui_class": ""
},
"description": "Join this tournament to learn lots of basic go moves.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "aga",
"time_per_move": 20,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 20
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 25,
"name": "Go Basics",
"summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17546,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-07-09T10:00:00Z",
"players_start": 10,
"first_pairing_method": "strength",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 13,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 4
},
{
"id": 133887,
"name": "CHEERFUL GO #112 Single Elimination",
"director": {
"id": 1220803,
"username": "nobhaete",
"country": "cn",
"icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1913.8662106628967,
"deviation": 73.08353977809503,
"volatility": 0.05984138605357582
}
},
"ranking": 29.94411771262838,
"professional": false,
"ui_class": ""
},
"description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\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": true,
"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": "2025-11-06T04:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 34,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-11-06T04:00:32.675833Z",
"ended": null,
"start_waiting": "2025-11-06T04:00:32.355861Z",
"board_size": 19,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png",
"player_count": 17
},
{
"id": 134109,
"name": "Dリーグ（15k-）",
"director": {
"id": 874208,
"username": "FUKO.S",
"country": "jp",
"icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2256.5904553484816,
"deviation": 72.0504606501076,
"volatility": 0.060033994415980826
}
},
"ranking": 33.75760878256561,
"professional": false,
"ui_class": "supporter"
},
"description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 9573,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": false,
"total_time": 1209600
},
"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": 113,
"icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-11-13T10:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 15,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
"player_count": 0
},
{
"id": 134107,
"name": "Bリーグ（7k-3k）",
"director": {
"id": 874208,
"username": "FUKO.S",
"country": "jp",
"icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2256.5904553484816,
"deviation": 72.0504606501076,
"volatility": 0.060033994415980826
}
},
"ranking": 33.75760878256561,
"professional": false,
"ui_class": "supporter"
},
"description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 9573,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": false,
"total_time": 1209600
},
"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": 113,
"icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-11-13T10:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 23,
"max_ranking": 27,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png",
"player_count": 2
}
]
}
