HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57700,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=300",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=298",
"results": [
{
"id": 71549,
"name": "9k-5k Battle 2",
"director": {
"id": 213337,
"username": "funloop",
"country": "au",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/74d957756ad9275c9acef2241173bef8-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1591.0643809978408,
"deviation": 63.34777642420934,
"volatility": 0.05993012749638026
}
},
"ranking": 25.667799340031433,
"professional": false,
"ui_class": ""
},
"description": "Let’s play some games, make some mistakes, and learn from them.\n\nDoes NOT pause on weekends.\n\n\"Conditional Moves & Analysis\" disabled to help improve reading skills.",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36960,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 36000,
"initial_time": 86400,
"max_time": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 20,
"name": "Single Digit Kyu Room",
"summary": "A room for SDK's \r\n",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 754,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/86d86effdffc2d0bbcd98e0f3b379249-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-03-17T18:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 25,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-03-17T18:00:53.839318Z",
"ended": "2021-12-18T11:35:06.350705Z",
"start_waiting": "2021-03-17T18:00:52.803620Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/86d86effdffc2d0bbcd98e0f3b379249-15.png",
"player_count": 22
},
{
"id": 81129,
"name": "9/10 周家峻\t鄒綽廉",
"director": {
"id": 818416,
"username": "傳碁學園",
"country": "un",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.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": "9/10 周家峻\t鄒綽廉",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 28,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 720,
"period_time": 20,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 7533,
"name": "傳碁 A班",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 36,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2021-10-09T11:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-10-09T10:07:27.621083Z",
"ended": "2021-10-09T10:49:37.084137Z",
"start_waiting": "2021-10-09T10:07:27.553381Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 67773,
"name": "Yu kiat vs yu jun",
"director": {
"id": 693443,
"username": "SP 03-01",
"country": "sg",
"icon": "https://secure.gravatar.com/avatar/6c738280e2491d84d0334100d8ecaab6?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1302.2029466058048,
"deviation": 207.69787979725362,
"volatility": 0.05999933899023369
}
},
"ranking": 21.02979384612893,
"professional": false,
"ui_class": "provisional"
},
"description": "Hi boiii",
"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": false,
"group": {
"id": 5118,
"name": "SP Weiqi 2020/2021",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 21,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/8d7f8244283feaafac5174b82851f2fa-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-11-13T11:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-11-13T10:22:06.281831Z",
"ended": "2020-11-16T11:45:13.540153Z",
"start_waiting": "2020-11-13T10:22:06.220356Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/8d7f8244283feaafac5174b82851f2fa-15.png",
"player_count": 2
},
{
"id": 68565,
"name": "Nagareyama",
"director": {
"id": 134125,
"username": "mitava",
"country": "at",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 872.0398425229762,
"deviation": 64.34258639530545,
"volatility": 0.059921653568599687
}
},
"ranking": 11.747163106212279,
"professional": false,
"ui_class": ""
},
"description": "19x19",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 24480,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 21600,
"initial_time": 259200,
"max_time": 345600
},
"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": 43,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/219c1747de3336cf873d86fba3f9f999-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-12-04T12:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 12,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-12-04T14:01:23.126223Z",
"ended": "2020-12-04T14:01:54.106945Z",
"start_waiting": "2020-12-04T14:01:22.845859Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/219c1747de3336cf873d86fba3f9f999-15.png",
"player_count": 2
},
{
"id": 71081,
"name": "Blitz 19x19 Elimination Tournament 2021-02-06 13:30",
"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": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20250911T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-11T01:00:16.024268Z",
"lead_time_seconds": 1800,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 100
},
"next_run": "2025-09-11T05:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2021-02-06T13:30:27.693977Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-02-06T13:30:29.306712Z",
"ended": "2021-02-06T14:28:29.688016Z",
"start_waiting": "2021-02-06T13:30:29.027612Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 13
},
{
"id": 61076,
"name": "Wise guys",
"director": {
"id": 485271,
"username": "RyukBaduk",
"country": "_GoT_Tully",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/2aabf09856a41e8e9248d4dfc4bcc60e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1400.5931119029472,
"deviation": 64.6436221001988,
"volatility": 0.060000140023822056
}
},
"ranking": 22.71600265928813,
"professional": false,
"ui_class": ""
},
"description": "Live tournament",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"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": 2949,
"name": "Facebook Weiqi/baduk players",
"summary": "Fight your way through Facebooks 8k+ baduk players!?",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 22,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/d0124228aec013b26d51a2735ca14581-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-05-26T08:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-06-04T07:13:12.270057Z",
"ended": "2020-10-13T12:34:39.195743Z",
"start_waiting": "2020-06-04T07:13:11.981302Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/d0124228aec013b26d51a2735ca14581-15.png",
"player_count": 4
},
{
"id": 61484,
"name": "Manchester Go Club - Rapid 19x19 Tournament #4",
"director": {
"id": 206311,
"username": "taiyaki 鯛焼き",
"country": "jp",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/bf298249efe61246416591f25414b80c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1851.8685650771395,
"deviation": 65.058009121721,
"volatility": 0.060014632271987736
}
},
"ranking": 29.181782988188246,
"professional": false,
"ui_class": "supporter"
},
"description": "Welcome to the 4th Manchester Go Club Rapid 19x19 Tournament. Please make sure to log in to OGS and open this page in your browser before 8:15 PM GMT+1 to be included in the draw!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 26,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 600,
"period_time": 20,
"periods": 3
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 4609,
"name": "Manchester Go Club",
"summary": "A group for players living in or connected to Manchester, UK. Go friends from around the world are also welcome to join us!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 103,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/f86a9bb2c87adaf208d53cc2e4d49215-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-06-11T19:20:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-06-11T19:20:03.921744Z",
"ended": "2020-06-11T21:02:54.315873Z",
"start_waiting": "2020-06-11T19:20:03.315818Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/f86a9bb2c87adaf208d53cc2e4d49215-15.png",
"player_count": 7
},
{
"id": 60549,
"name": "Sumida",
"director": {
"id": 134125,
"username": "mitava",
"country": "at",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 872.0398425229762,
"deviation": 64.34258639530545,
"volatility": 0.059921653568599687
}
},
"ranking": 11.747163106212279,
"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": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 259200,
"period_time": 86400,
"periods": 3
},
"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": 43,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/219c1747de3336cf873d86fba3f9f999-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-05-15T08:35:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 12,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-05-15T08:35:13.492556Z",
"ended": "2020-07-23T08:07:59.013326Z",
"start_waiting": "2020-05-15T08:35:12.733937Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/219c1747de3336cf873d86fba3f9f999-15.png",
"player_count": 3
},
{
"id": 61481,
"name": "Blitz 19x19 Elimination Tournament 2020-06-04 09:30",
"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": 1,
"name": "Blitz 19x19 Elimination Tournament",
"rrule": "DTSTART:20250911T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-09-11T01:00:16.024268Z",
"lead_time_seconds": 1800,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 100
},
"next_run": "2025-09-11T05:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 11,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 120,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2020-06-04T09:30:16.240308Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-06-04T09:30:17.949677Z",
"ended": "2020-06-04T09:48:48.887232Z",
"start_waiting": "2020-06-04T09:30:17.558262Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4
},
{
"id": 46582,
"name": "19x19 Double Elimination",
"director": {
"id": 582354,
"username": "GlacialNoivern",
"country": "us",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/bae7db25edc19db310969d9c23831e70-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1538.257364713131,
"deviation": 65.55077561199136,
"volatility": 0.06026203340214659
}
},
"ranking": 24.886416928616224,
"professional": false,
"ui_class": ""
},
"description": "☆ The default tournament pairing method is Strength, to ensure matches remain competitive the entire contest.\n \n☆ This is a ‘Fast Correspondence Tournament’. Please, avoid delaying your games using the vacation feature or pause. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n \n☆ Does NOT pause on the weekend.\n \n☆ If this sounds like a good time to you, please join us!\n\n<HR><BR>\nTournaments are a great way to find people who are more competitive than your average opponent. A big part of improving your own skills is by having them tested by capable adversaries. If you would like to be apart of more Chinese ruleset tournaments, check out our group for weekly opportunities.<BR><BR>",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "chinese",
"time_per_move": 45120,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 259200,
"time_increment": 43200,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3207,
"name": "New Zealand Tournaments",
"summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 595,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-12-26T02:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-09-30T09:35:28.512934Z",
"ended": "2020-05-29T08:24:33.810630Z",
"start_waiting": "2019-09-30T09:35:27.912015Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8
}
]
}
