HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 57903,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4086",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4084",
"results": [
{
"id": 44016,
"name": "Correspondence 9x9 RoundRobin 2018-12-26 01:00",
"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:20250928T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-09-28T19:00:28.976598Z",
"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": "2025-10-01T19:00:00Z",
"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": "2018-12-26T01:00:50.235874Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-12-26T01:01:14.739304Z",
"ended": "2019-01-30T17:52:08.128950Z",
"start_waiting": "2018-12-26T01:01:13.501362Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 7
},
{
"id": 46781,
"name": "Go game",
"director": {
"id": 614850,
"username": "bowl the dice",
"country": "ca",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/ce5b8bde8321652b3091d38a513cca2c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1259.7955625142868,
"deviation": 64.271419181848,
"volatility": 0.06004440833373613
}
},
"ranking": 20.26334483181976,
"professional": false,
"ui_class": ""
},
"description": "Fun join",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 343,
"name": "Global Go Club",
"summary": "Open Go club for people anywhere",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 593,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-03-23T04:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-03-25T07:53:26.465030Z",
"ended": "2019-09-02T14:41:49.532289Z",
"start_waiting": "2019-03-25T07:53:26.058894Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png",
"player_count": 10
},
{
"id": 95299,
"name": "Tournament Name",
"director": {
"id": 1133095,
"username": "My little pony",
"country": "hk",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/68bd25f1889b3bc6a39a8f05e4f17167-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 929.3213912846254,
"deviation": 76.86369994639227,
"volatility": 0.060014291407671186
}
},
"ranking": 13.2199549750834,
"professional": false,
"ui_class": ""
},
"description": "Description",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "chinese",
"time_per_move": 10,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "live",
"pause_on_weekends": false,
"total_time": 900
},
"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": 17448,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-11-23T16:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-11-23T16:00:24.015354Z",
"ended": "2022-11-23T16:32:50.095405Z",
"start_waiting": "2022-11-23T16:00:23.929067Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 4
},
{
"id": 13907,
"name": "Correspondence 9x9 RoundRobin 2016-01-08 01:00",
"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:20250928T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-09-28T19:00:28.976598Z",
"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": "2025-10-01T19:00:00Z",
"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,
"max_time": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-01-08T01:00:41.591444Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-01-08T01:01:01.558681Z",
"ended": "2016-01-31T05:03:44.929659Z",
"start_waiting": "2016-01-08T01:01:00.805928Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 8
},
{
"id": 84615,
"name": "ewfegefe",
"director": {
"id": 1024713,
"username": "Willgod9",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/0eac4c179152fd65d6c2d02674ac9cc3?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1356.858342229734,
"deviation": 143.7109338175577,
"volatility": 0.060000776932435045
}
},
"ranking": 21.981596382318692,
"professional": false,
"ui_class": ""
},
"description": "efrgdef",
"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": 10893,
"name": "wowowowowowowowo",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 3,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2022-01-08T05:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-01-12T01:18:07.918463Z",
"ended": "2022-01-18T11:29:27.183859Z",
"start_waiting": "2022-01-12T01:18:07.841134Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 4
},
{
"id": 61971,
"name": "Mental Combat Basic 2020 19x19 DDK Regular",
"director": {
"id": 476035,
"username": "MonkeyMonk",
"country": "ru",
"icon": "https://secure.gravatar.com/avatar/893ba2588a07b3654986a9ddfaabc7d7?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1421.3320906134593,
"deviation": 61.451764318788584,
"volatility": 0.0600152725576737
}
},
"ranking": 23.05627815682673,
"professional": false,
"ui_class": ""
},
"description": "Annual Mental Combat Basic regular 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",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 5771,
"name": "Mental Combat",
"summary": "",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 0,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/cade87c9b60b1cde406b87b63c367e0f-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-07-15T02:00:00Z",
"players_start": 8,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-07-15T02:00:52.321800Z",
"ended": "2022-01-20T07:09:56.643358Z",
"start_waiting": "2020-07-15T02:00:51.870147Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/cade87c9b60b1cde406b87b63c367e0f-15.png",
"player_count": 22
},
{
"id": 68898,
"name": "5 rounds handicap tournament",
"director": {
"id": 380817,
"username": "döskee",
"country": "zz",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9b2153c750a7384cdad630699b7e138d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1400.8880782289364,
"deviation": 60.33056136264841,
"volatility": 0.0586898472490927
}
},
"ranking": 22.720877559391642,
"professional": false,
"ui_class": ""
},
"description": "Handicap games with chinese rules\nByo yomi = 3 days/move",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": -1,
"rules": "chinese",
"time_per_move": 264000,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 432000,
"period_time": 259200,
"periods": 5
},
"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": 17448,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-12-17T11:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-12-17T11:00:57.399119Z",
"ended": "2022-01-21T14:25:02.249632Z",
"start_waiting": "2020-12-17T11:00:57.058901Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 14
},
{
"id": 109479,
"name": "9x9 Mini League 1k-9k #94",
"director": {
"id": 1015644,
"username": "wiadp1",
"country": "pl",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/253ed3da1cc83d36ac1e5313f959f54d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1292.8210149514907,
"deviation": 69.43335455456511,
"volatility": 0.0601268618037333
}
},
"ranking": 20.862402201726965,
"professional": false,
"ui_class": ""
},
"description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": true,
"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": 675,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2023-11-19T20:00:00Z",
"players_start": 5,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 21,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-11-14T03:04:05.990740Z",
"ended": "2023-12-26T03:13:52.903156Z",
"start_waiting": "2023-11-14T03:04:05.796711Z",
"board_size": 9,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 5
},
{
"id": 13713,
"name": "Correspondence 13x13 RoundRobin 2016-01-01 01:00",
"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": 7,
"name": "Correspondence 13x13 RoundRobin",
"rrule": "DTSTART:20250930T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-09-30T19:00:48.964804Z",
"lead_time_seconds": 86400,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"size": 13,
"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": "2025-10-03T19:00:00Z",
"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,
"max_time": 259200,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2016-01-01T01:00:00.946088Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-01-01T01:00:19.474784Z",
"ended": "2016-02-11T00:00:22.195874Z",
"start_waiting": "2016-01-01T01:00:19.063630Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 7
},
{
"id": 39862,
"name": "Fast Correspondence – August 2018 (D)",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1567.4354601308846,
"deviation": 62.3709376438633,
"volatility": 0.05973247951121882
}
},
"ranking": 25.32141988737067,
"professional": false,
"ui_class": "supporter moderator"
},
"description": "**Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).**",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 30720,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 172800,
"time_increment": 28800,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 508,
"name": "Fast Correspondence",
"summary": "Tournaments for people who like to play quick correspondence games.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 792,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-08-18T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-08-18T00:00:51.655954Z",
"ended": "2018-11-09T04:24:42.210765Z",
"start_waiting": "2018-08-18T00:00:48.927371Z",
"board_size": 19,
"active_round": null,
"icon": "https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10
}
]
}
