HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58753,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4196",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4194",
"results": [
{
"id": 93020,
"name": "Correspondence 9x9 RoundRobin 2022-08-01 19:17",
"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:20251218T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-18T19:01:04.466352Z",
"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": "2025-12-21T19:00:00Z",
"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": "2022-08-01T19:17:10.030711Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-08-01T19:17:43.531488Z",
"ended": "2022-08-11T11:18:06.463241Z",
"start_waiting": "2022-08-01T19:17:43.434630Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 4,
"ranked": true
},
{
"id": 112819,
"name": "19✖️19 Go Cup Tournament 3",
"director": {
"id": 1497408,
"username": "Ming Ming",
"country": "hk",
"icon": "https://user-uploads.online-go.com/0426093c662dcbaa2ed6ee379367fc28-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 808.4796202275077,
"deviation": 101.59414880347964,
"volatility": 0.06002207719886031
}
},
"ranking": 9.995179393337779,
"professional": false,
"ui_class": ""
},
"description": "For people who like 19✖️19",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 600,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 13995,
"name": "OGS Go Cup Title Tournaments",
"summary": "Hi, I am Go Cup Tournaments. The photo is a cup, that mean: Make tournament",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 22,
"icon": "https://user-uploads.online-go.com/ededbc5107d7f558aa17587481343a94-64.png"
},
"auto_start_on_max": false,
"time_start": "2024-05-01T07:00:00Z",
"players_start": 3,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-05-01T07:00:40.147286Z",
"ended": "2024-05-01T07:47:21.858811Z",
"start_waiting": "2024-05-01T07:00:40.014418Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/ededbc5107d7f558aa17587481343a94-15.png",
"player_count": 11,
"ranked": true
},
{
"id": 35140,
"name": "Correspondence 13x13 RoundRobin 2018-03-06 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:20251217T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T06:00:14.582400Z",
"last_run": "2025-12-17T19:01:04.514158Z",
"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": "2025-12-20T19:00:00Z",
"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": "2018-03-06T01:00:03.379472Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-03-06T01:00:31.432179Z",
"ended": "2018-05-03T02:43:59.363898Z",
"start_waiting": "2018-03-06T01:00:29.059374Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 8,
"ranked": true
},
{
"id": 113952,
"name": "Play happy",
"director": {
"id": 765264,
"username": "Виолетта",
"country": "ua",
"icon": "https://secure.gravatar.com/avatar/a3fa5b200e5e80e98cdb727b1593b61a?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1676.0139378953684,
"deviation": 63.81494989430745,
"volatility": 0.05979474937084361
}
},
"ranking": 26.87194899558518,
"professional": false,
"ui_class": ""
},
"description": "hi! it starts at 9>30 am",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 61164,
"time_control_parameters": {
"system": "canadian",
"time_control": "canadian",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 86400,
"period_time": 604800,
"stones_per_period": 10
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 34,
"name": "Tournament room",
"summary": "A group for those who wish to play in tournaments. If you would like to participate, but there is no suitable tournament, please contact a group admin and ask him to create one :)",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 144,
"icon": "https://user-uploads.online-go.com/9751980d116a718256791123a945e1ea-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-03-17T11:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 20,
"max_ranking": 35,
"analysis_enabled": false,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/9751980d116a718256791123a945e1ea-15.png",
"player_count": 2,
"ranked": true
},
{
"id": 36050,
"name": "sdfsdfa",
"director": {
"id": 162905,
"username": "apostate",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/a7924c27089c89c55986d4042ccc14d6?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 965.8722480403993,
"deviation": 220.4502084586671,
"volatility": 0.06000389704029564
}
},
"ranking": 14.113011229978627,
"professional": false,
"ui_class": "provisional"
},
"description": "asdfasdfasdfs",
"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": true,
"group": {
"id": 2352,
"name": "ISET2019",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 2,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2018-04-04T15:10:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-04-06T22:31:51.314134Z",
"ended": "2018-07-01T20:57:24.115672Z",
"start_waiting": "2018-04-06T22:31:50.710006Z",
"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": 123609,
"name": "9x9 Leagues 1d & above #3",
"director": {
"id": 1670044,
"username": "Arrow A6",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/19c38d84d5fe783ec97cf150f55975ce?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1500,
"deviation": 350,
"volatility": 0.06
}
},
"ranking": 24.303382182144386,
"professional": false,
"ui_class": "provisional"
},
"description": "<a href=\"https://info.flagcounter.com/Y9Gr\"><img src=\"https://s05.flagcounter.com/mini/Y9Gr/bg_000000/txt_FF00FF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "nz",
"time_per_move": 95543,
"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": 14857,
"name": "9x9 League",
"summary": "<a href=\"https://info.flagcounter.com/dbAS\"><img src=\"https://s01.flagcounter.com/mini/dbAS/bg_000000/txt_FF00FF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": true,
"hide_details": true,
"member_count": 2,
"icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-64.png"
},
"auto_start_on_max": true,
"time_start": "2024-12-28T01:00:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 30,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2024-12-28T01:00:34.801520Z",
"ended": "2025-05-15T04:24:20.560593Z",
"start_waiting": "2024-12-28T01:00:34.660954Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 36301,
"name": "Second Annual Hikaru Cup",
"director": {
"id": 102290,
"username": "Hikaru-no-go admin",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/bdb11a32ca69f57bcbd478bc61fd889d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1141.546865456918,
"deviation": 63.28755183673641,
"volatility": 0.06002962243991043
}
},
"ranking": 17.981560135763274,
"professional": false,
"ui_class": ""
},
"description": "This will be the second annual hikaru cup. Enjoy. Winner will be given glory and honor. Losers death.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 432000,
"time_increment": 86400,
"speed": "correspondence"
},
"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": 754,
"icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-04-15T04:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-04-15T22:58:05.489345Z",
"ended": "2018-08-16T11:38:11.729044Z",
"start_waiting": "2018-04-15T22:58:04.735737Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 36318,
"name": "Noob Tournament",
"director": {
"id": 527964,
"username": "ojb",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/dab007a9d1228c7c7eba4f77576c3ab2?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 574.3339565861214,
"deviation": 92.46584494177299,
"volatility": 0.05998036455608268
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "A tourney for ranks 25k-10k",
"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": 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": 17643,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-04-13T17:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 10,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-04-14T19:40:02.478299Z",
"ended": "2018-06-03T07:37:30.302534Z",
"start_waiting": "2018-04-14T19:40:02.069490Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 127741,
"name": "win sero",
"director": {
"id": 1761443,
"username": "max verstapend",
"country": "nl",
"icon": "https://user-uploads.online-go.com/6125aa82c6cb1aec4fcf41673b4f7fd7-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 536.7485001612417,
"deviation": 66.91451022637358,
"volatility": 0.06006731374929119
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "good Tournament",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 90782,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 604800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 15186,
"name": "Татар төркеме",
"summary": "\n",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 30,
"icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-04-22T16:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 9,
"analysis_enabled": true,
"exclusivity": "open",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-15.png",
"player_count": 1,
"ranked": true
},
{
"id": 87924,
"name": "Madeleine and dudee",
"director": {
"id": 907106,
"username": "madeleine.yl.kwong",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/c1c07142fc7d707fd14519c41ff82ffa?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 803.0667917662796,
"deviation": 138.17011508999738,
"volatility": 0.05999473329918026
}
},
"ranking": 9.83966733465845,
"professional": false,
"ui_class": ""
},
"description": "Me and you",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 60,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 60
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 28,
"name": "Teaching League",
"summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 4437,
"icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"
},
"auto_start_on_max": true,
"time_start": "2022-03-29T07:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-05-05T04:25:31.255587Z",
"ended": "2022-05-05T04:28:36.730029Z",
"start_waiting": "2022-05-05T04:25:31.126964Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png",
"player_count": 4,
"ranked": true
}
]
}
