HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58319,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=534",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=532",
"results": [
{
"id": 129423,
"name": "Correspondence 19x19 RoundRobin 2025-06-14 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:20251110T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-10T19:00:12.636648Z",
"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": "2025-11-13T19:00:00Z",
"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": "2025-06-14T19:00:26.002277Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-06-14T19:00:26.556855Z",
"ended": "2025-09-26T12:33:27.769393Z",
"start_waiting": "2025-06-14T19:00:26.073358Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 70841,
"name": "SDK small tournament",
"director": {
"id": 770016,
"username": "Patience_Tester",
"country": "gb",
"icon": "https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1650.1553644761618,
"deviation": 66.22707096210358,
"volatility": 0.060012906574939746
}
},
"ranking": 26.511992552675842,
"professional": false,
"ui_class": ""
},
"description": "have fun",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 611520,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 604800,
"period_time": 604800,
"periods": 7
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 6273,
"name": "19x19 Players",
"summary": "19x19 enthusiasts",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 359,
"icon": "https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-02-20T02:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-02-16T05:49:33.100953Z",
"ended": "2021-06-23T11:00:11.676891Z",
"start_waiting": "2021-02-16T05:49:32.012260Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-15.png",
"player_count": 10
},
{
"id": 100393,
"name": "13x13 Round Robin.",
"director": {
"id": 126731,
"username": "Sofiam",
"country": "it",
"icon": "https://secure.gravatar.com/avatar/8f70a40f5bfe9550f48b31d5e9993f71?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1655.3956644095636,
"deviation": 249.9443167736772,
"volatility": 0.05999902471543515
}
},
"ranking": 26.585392142653802,
"professional": false,
"ui_class": "provisional"
},
"description": "Everyone is welcome. It is capped at 10 players. An identical tournament that starts after two weeks or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"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": false,
"group": {
"id": 6630,
"name": "Go friends 🐬",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 359,
"icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-03-08T15:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-03-08T15:00:25.063568Z",
"ended": "2023-08-06T23:10:14.692674Z",
"start_waiting": "2023-03-08T15:00:24.453493Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png",
"player_count": 9
},
{
"id": 77027,
"name": "3/7 馬悅思\t鄭愛蕊",
"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": "3/7 馬悅思\t鄭愛蕊",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 25,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 480,
"period_time": 20,
"periods": 3
},
"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": "2021-07-03T08:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-07-03T07:17:48.075177Z",
"ended": "2021-07-03T07:44:33.147634Z",
"start_waiting": "2021-07-03T07:17:48.012009Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 76480,
"name": "Correspondence 9x9 RoundRobin 2021-06-19 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": 5,
"name": "Correspondence 9x9 RoundRobin",
"rrule": "DTSTART:20251109T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-11-09T19:00:33.357305Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 9,
"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": "2025-11-12T19:00:00Z",
"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": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2021-06-19T19:00:38.731571Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-06-19T19:01:38.587894Z",
"ended": "2021-06-26T17:34:21.654812Z",
"start_waiting": "2021-06-19T19:01:37.838153Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 8
},
{
"id": 76421,
"name": "The end of the exams...",
"director": {
"id": 818383,
"username": "SubToMixzory",
"country": "vi",
"icon": "https://user-uploads.online-go.com/c6aa9dd0c30d28446d4dcafe2b6186e9-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1269.4299654571807,
"deviation": 64.69887391357838,
"volatility": 0.0601483836856834
}
},
"ranking": 20.439713055563516,
"professional": false,
"ui_class": ""
},
"description": "YAH!!!!!!!! IT\"S THE END OF THE EXAM\nLETS HAVE A TOURNAMENT TO CELEBRATE IT",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 259200,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": false,
"per_move": 259200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 3852,
"name": "Hong Kong ",
"summary": "First priority : HK people join plz \nThis group welcomes everyone, but only if you don't be rude.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 147,
"icon": "https://user-uploads.online-go.com/cb4f2676677eaafca853a69c876d0443-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-06-19T14:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-06-19T14:00:25.208349Z",
"ended": "2021-08-25T05:18:03.045484Z",
"start_waiting": "2021-06-19T14:00:25.046760Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/cb4f2676677eaafca853a69c876d0443-15.png",
"player_count": 4
},
{
"id": 76504,
"name": "Kanedahigashi",
"director": {
"id": 134125,
"username": "mitava",
"country": "at",
"icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 824.7136575559683,
"deviation": 63.51851593565086,
"volatility": 0.05991262847264901
}
},
"ranking": 10.455419277417684,
"professional": false,
"ui_class": ""
},
"description": "19x19",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"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": false,
"group": {
"id": 119,
"name": "TOKYO GO!",
"summary": "Tokyo Go Players Meet Together!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 44,
"icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-64.png"
},
"auto_start_on_max": true,
"time_start": "2021-06-19T14:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 18,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-06-19T14:00:25.027758Z",
"ended": "2021-08-07T04:08:48.869261Z",
"start_waiting": "2021-06-19T14:00:24.876967Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-15.png",
"player_count": 4
},
{
"id": 100597,
"name": "DDK - Handikap tournament (International Women's day)",
"director": {
"id": 1279263,
"username": "deleted-44ff9d0d-2dda-4b94-be95-72634ca5a20d",
"country": "hu",
"icon": "https://user-uploads.online-go.com/5d6e27084cf1bd9e1226459a80e4b316-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1072.0366562164027,
"deviation": 66.49340614321082,
"volatility": 0.0600133808194738
}
},
"ranking": 16.52718486268629,
"professional": false,
"ui_class": ""
},
"description": "Handikap game (use \nadvantage with stones).",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": -1,
"rules": "japanese",
"time_per_move": 181564,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 172800,
"initial_time": 518400,
"max_time": 1209600
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 7228,
"name": "DDK Proving Grounds (Double Digit Kyu)",
"summary": "A place for DDK's to play against other DDK's without fear of SDK's trying to hop in. We do B League (25k-18k) & A League (17k-10k) tournaments monthly.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 636,
"icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-64.png"
},
"auto_start_on_max": false,
"time_start": "2023-03-08T12:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-04-02T02:17:30.011486Z",
"ended": "2024-12-23T11:07:23.762462Z",
"start_waiting": "2023-04-02T02:17:29.526902Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/9725fa29200a4cb43a21b6a895183ad3-15.png",
"player_count": 10
},
{
"id": 81335,
"name": "Correspondence 19x19 RoundRobin 2021-10-15 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": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20251110T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-10T19:00:12.636648Z",
"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": "2025-11-13T19:00:00Z",
"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": "2021-10-15T19:00:46.299360Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-10-15T19:00:51.245777Z",
"ended": "2022-01-13T12:51:21.420922Z",
"start_waiting": "2021-10-15T19:00:50.314115Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 76800,
"name": "GO bot tournament",
"director": {
"id": 991710,
"username": "husky.Yuki",
"country": "_ASEAN",
"icon": "https://user-uploads.online-go.com/65955db56153804de5d98d593003a7cd-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1251.766703883532,
"deviation": 74.20541748002614,
"volatility": 0.06002081131750235
}
},
"ranking": 20.11533439788569,
"professional": false,
"ui_class": ""
},
"description": "GO bot tournament",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"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": 3211,
"name": "gtp2ogs AI Gathering 2019x19 ໒( ̿ ᴥ ̿ )७",
"summary": "Gathering all OGS AI enthusiasts ! Welcome !!!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 243,
"icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-06-27T13:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-06-29T18:45:44.411413Z",
"ended": "2021-08-03T09:55:51.436672Z",
"start_waiting": "2021-06-29T18:45:44.307560Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-15.png",
"player_count": 4
}
]
}
