HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58789,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=447",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=445",
"results": [
{
"id": 39744,
"name": "Correspondence Weekly McMahon 19x19 2018-08-11 17:00",
"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": 9,
"name": "Correspondence Weekly McMahon 19x19",
"rrule": "DTSTART:20251222T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-12-22T17:00:10.175766Z",
"lead_time_seconds": 432000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"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": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 4,
"maximum_players": 1000
},
"next_run": "2025-12-29T17:00:00Z",
"base_points": "30.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"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": "2018-08-11T17:00:03.801223Z",
"players_start": 60,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-08-11T17:00:21.683941Z",
"ended": "2020-05-30T06:38:19.795580Z",
"start_waiting": "2018-08-11T17:00:06.593645Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 82,
"ranked": true
},
{
"id": 946,
"name": "Hneite's mini-tournament 16",
"director": {
"id": 10173,
"username": "Hneite",
"country": "no",
"icon": "https://secure.gravatar.com/avatar/8b1bfb226de3b056ac91a41ef429776f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1531.458160512167,
"deviation": 64.5972667044223,
"volatility": 0.06013009007133473
}
},
"ranking": 24.78386551408993,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 864000,
"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": 0,
"max_ranking": 19,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2009-11-05T23:47:25Z",
"ended": "2009-11-05T22:47:25Z",
"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": 16829,
"name": "Blitz 13x13 Swiss Tournament 2016-04-22 19:30",
"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": 3,
"name": "Blitz 13x13 Swiss Tournament",
"rrule": "DTSTART:20251223T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-12-23T03:00:10.314695Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-12-23T07:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-04-22T19:30:24.050131Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2016-04-22T19:30:25.712060Z",
"ended": "2016-04-22T20:36:58.858250Z",
"start_waiting": "2016-04-22T19:30:25.524890Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 11,
"ranked": true
},
{
"id": 61939,
"name": "Top Go Fight!",
"director": {
"id": 796978,
"username": "Firewall101",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/20eb1fd132407cd8d62e34483d98ce42?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 776.5618088623922,
"deviation": 68.36145089787566,
"volatility": 0.059998944373922884
}
},
"ranking": 9.062715147569554,
"professional": false,
"ui_class": ""
},
"description": "Fight to the top! You only get one chance to become the best in this live duel!\n\nStarts on Wednesday, Jun 17!",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 31,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 30,
"initial_time": 120,
"max_time": 300
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6048,
"name": "Dan Achievers",
"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": "2020-06-17T15:59:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-06-17T15:58:58.242414Z",
"ended": "2020-06-17T16:15:48.036764Z",
"start_waiting": "2020-06-17T15:58:57.845797Z",
"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": 55393,
"name": "13x13 Double Elimination (New Zealand Rules)",
"director": {
"id": 637869,
"username": "Robert.Jasiek.Rules.Master",
"country": "de",
"icon": "https://user-uploads.online-go.com/404bee731ca9a372d41def91e449b98e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1500,
"deviation": 350,
"volatility": 0.06
}
},
"ranking": 24.303382182144386,
"professional": false,
"ui_class": "provisional"
},
"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": "nz",
"time_per_move": 45120,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 43200,
"initial_time": 172800,
"max_time": 259200
},
"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": 592,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-02-01T02:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-02-01T02:00:14.645913Z",
"ended": "2020-05-16T13:17:46.859315Z",
"start_waiting": "2020-02-01T02:00:13.677755Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 61670,
"name": "Manchester Go Club - Rapid 19x19 Tournament #5",
"director": {
"id": 206311,
"username": "taiyaki 鯛焼き",
"country": "jp",
"icon": "https://user-uploads.online-go.com/bf298249efe61246416591f25414b80c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1836.095328835716,
"deviation": 64.26730696893321,
"volatility": 0.06000639562749475
}
},
"ranking": 28.983759007478284,
"professional": false,
"ui_class": "supporter"
},
"description": "Welcome to the 5th 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": 104,
"icon": "https://user-uploads.online-go.com/765ff76c1663dd5f81156a7cd3befddd-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-06-18T19:20:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-06-18T19:20:22.470094Z",
"ended": "2020-06-18T20:46:57.066703Z",
"start_waiting": "2020-06-18T19:20:22.156194Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/765ff76c1663dd5f81156a7cd3befddd-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 51432,
"name": "Game Of Stones Battle Masters 2019",
"director": {
"id": 87790,
"username": "MoonMonkey",
"country": "ru",
"icon": "https://user-uploads.online-go.com/9e29a56055728dccf9dafc7ebb3f8319-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1093.5261410201354,
"deviation": 62.180969905963046,
"volatility": 0.06028853857034597
}
},
"ranking": 16.986647782952765,
"professional": false,
"ui_class": ""
},
"description": "The tournament for the Battle Masters 2019 titles.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 432000
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3516,
"name": "Game Of Stones",
"summary": "This group is no longer operated.",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 143,
"icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-09-25T01:00:00Z",
"players_start": 8,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2019-09-25T01:00:59.868567Z",
"ended": "2020-05-29T18:05:43.503706Z",
"start_waiting": "2019-09-25T01:00:57.945393Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png",
"player_count": 18,
"ranked": true
},
{
"id": 30837,
"name": "FSTS Master 2017 - 2018",
"director": {
"id": 87790,
"username": "MoonMonkey",
"country": "ru",
"icon": "https://user-uploads.online-go.com/9e29a56055728dccf9dafc7ebb3f8319-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1093.5261410201354,
"deviation": 62.180969905963046,
"volatility": 0.06028853857034597
}
},
"ranking": 16.986647782952765,
"professional": false,
"ui_class": ""
},
"description": "Tournament for the title of FSTS Master 2017 - 2018.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87360,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 86400,
"max_time": 129600,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 353,
"name": "Four Seasons Tournament Series",
"summary": "Серия турниров \"Четыре Сезона\"",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 623,
"icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"
},
"auto_start_on_max": true,
"time_start": "2017-10-23T12:00:00Z",
"players_start": 16,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2017-10-19T10:03:15.916663Z",
"ended": "2020-07-14T15:31:46.310905Z",
"start_waiting": "2017-10-19T10:03:12.694997Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png",
"player_count": 32,
"ranked": true
},
{
"id": 61905,
"name": "Live 19x19 Swiss Tournament 2020-06-14 08:30",
"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": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251223T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-12-23T04:00:10.320656Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-12-23T08:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2020-06-14T08:30:12.241064Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-06-14T08:30:13.189167Z",
"ended": "2020-06-14T09:36:56.554235Z",
"start_waiting": "2020-06-14T08:30:12.583657Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 6,
"ranked": true
},
{
"id": 945,
"name": "ARC TERM 1",
"director": {
"id": 8844,
"username": "Nzeropheonix",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/47bcef38ba12c2bd78e1629f95609560?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1498.0312709420548,
"deviation": 66.62056235135765,
"volatility": 0.05997199605845121
}
},
"ranking": 24.272978173564297,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 259200,
"time_control_parameters": {
"time_control": "simple",
"per_move": 259200
},
"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": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2009-10-31T16:22:52Z",
"ended": "2009-10-31T15:22:52Z",
"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
}
]
}
