HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58277,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5453",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5451",
"results": [
{
"id": 12311,
"name": "Correspondence 19x19 RoundRobin 2015-11-10 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": 6,
"name": "Correspondence 19x19 RoundRobin",
"rrule": "DTSTART:20251104T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-11-04T19:00:32.280884Z",
"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": "2025-11-07T19:00:00Z",
"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": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2015-11-10T01:00:31.370741Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2015-11-10T01:00:51.115039Z",
"ended": "2016-01-03T21:13:54.911994Z",
"start_waiting": "2015-11-10T01:00:50.297521Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 10
},
{
"id": 29237,
"name": "19x19 House Overplay Tournament",
"director": {
"id": 458637,
"username": "9professionaldan",
"country": "ca",
"icon": "https://user-uploads.online-go.com/238e5f75531ada306bcfbea4b47317f4-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1316.6614679779332,
"deviation": 71.87425670689832,
"volatility": 0.06003945117446694
}
},
"ranking": 21.2854146936368,
"professional": false,
"ui_class": ""
},
"description": "19x19 House Overplay Tournament! \n\nAll Ranks can join, provisional players are not allowed, and..\n\nH A V E F U N !",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "chinese",
"time_per_move": 1820,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 1800,
"max_time": 3600,
"time_increment": 1800,
"speed": "live"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1717,
"name": "House Overplay",
"summary": "Style: Overplay, of course, trashtalking and memes are also accepted. We also never play in sober condition.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 17,
"icon": "https://user-uploads.online-go.com/bb1d7eac6636fa31cf78bd59477adc3b-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-08-09T02:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-08-15T20:20:11.330108Z",
"ended": "2017-08-15T22:20:13.456054Z",
"start_waiting": "2017-08-15T20:20:07.641380Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/bb1d7eac6636fa31cf78bd59477adc3b-15.png",
"player_count": 4
},
{
"id": 66116,
"name": "Simple Correspondence 13x13 DDK 2020 November",
"director": {
"id": 302584,
"username": "koast",
"country": "us",
"icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1518.190018088078,
"deviation": 64.08013528375135,
"volatility": 0.05996666523783403
}
},
"ranking": 24.58242625475131,
"professional": false,
"ui_class": ""
},
"description": "NOVEMBER!!!!! WOWZA\n\nNo conditional moves",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": false,
"per_move": 172800
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 5017,
"name": "Simple Correspondence",
"summary": "2 days per move. No Analysis.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 67,
"icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-11-01T20:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-11-01T20:00:18.809628Z",
"ended": "2020-12-13T04:30:48.403205Z",
"start_waiting": "2020-11-01T20:00:16.816851Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png",
"player_count": 10
},
{
"id": 130673,
"name": "If you win the champion you'll be a billionaire",
"director": {
"id": 1818077,
"username": "时光和褚嬴呀",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/65467471f69c780786a014ecc51b00f8?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1550.3195527176272,
"deviation": 75.26301074844967,
"volatility": 0.06010539790178418
}
},
"ranking": 25.06723876304973,
"professional": false,
"ui_class": ""
},
"description": "If you think you can beat me and get the champion then let's Go!I'll be there!!!",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"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": 43,
"name": "Kyu Level Study Group",
"summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 8768,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"
},
"auto_start_on_max": false,
"time_start": "2025-07-23T12:30:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-07-23T12:30:58.337552Z",
"ended": "2025-07-23T12:33:33.143890Z",
"start_waiting": "2025-07-23T12:30:58.291991Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png",
"player_count": 2
},
{
"id": 73434,
"name": "hızlı",
"director": {
"id": 967242,
"username": "yfskoca",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/4c2afcf0de8e6ceb59935a9039b22511?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1502.5491476857726,
"deviation": 256.3451747338135,
"volatility": 0.060000161463078835
}
},
"ranking": 24.34269063652873,
"professional": false,
"ui_class": "provisional"
},
"description": "hızlı oynuyalım lüfen.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 3600,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "live",
"pause_on_weekends": false,
"per_move": 3600
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 8688,
"name": "UZE 3.GRUP",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 18,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2021-04-04T11:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-04-05T01:25:52.790857Z",
"ended": "2021-04-05T01:43:58.699222Z",
"start_waiting": "2021-04-05T01:25:52.743886Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2
},
{
"id": 71600,
"name": "Third club tournament",
"director": {
"id": 839251,
"username": "Mapledge",
"country": "un",
"icon": "https://user-uploads.online-go.com/014310fdc5f118f1a485818badd3b773-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 811.822879557998,
"deviation": 98.79461305451053,
"volatility": 0.06001611392915813
}
},
"ranking": 10.090712867300997,
"professional": false,
"ui_class": ""
},
"description": "Third club Thursday tournament Spring 2021!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "aga",
"time_per_move": 40,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 900,
"period_time": 30,
"periods": 5
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 6730,
"name": "Stony Brook Go Club",
"summary": "ALL PLAYERS WELCOME!!!\n\nWe are a club group based at Stony Brook University. \n\nOur meetings times are Tuesdays and Thursdays 8-10PM via Zoom.\n\nRegardless of whether you are a beginner or a master, don't hesitate to come by to simply have some fun. \n\n",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 35,
"icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-02-19T02:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2021-02-19T01:22:05.659510Z",
"ended": "2021-02-19T02:11:51.325463Z",
"start_waiting": "2021-02-19T01:22:05.437243Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-15.png",
"player_count": 5
},
{
"id": 133090,
"name": "Макаки",
"director": {
"id": 1873011,
"username": "pandayuno8000",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/5810a6fc56efd81108035ed50057ad4f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 416.9535556322255,
"deviation": 165.28192497290073,
"volatility": 0.05999990006986045
}
},
"ranking": 5,
"professional": false,
"ui_class": "provisional"
},
"description": "Блаблабла",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"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": 15782,
"name": "Сладкие персики",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": true,
"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": "2025-10-05T10:15:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"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
},
{
"id": 65570,
"name": "mundialito",
"director": {
"id": 362737,
"username": "seranhelo",
"country": "co",
"icon": "https://user-uploads.online-go.com/c6280536610b91d50418b68e10fc8081-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1315.4110560105903,
"deviation": 60.784797360228325,
"volatility": 0.05977725254366489
}
},
"ranking": 21.26341906930818,
"professional": false,
"ui_class": ""
},
"description": "mundialitoooo",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 12,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "live",
"pause_on_weekends": false,
"time_increment": 12,
"initial_time": 60,
"max_time": 60
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 4667,
"name": "Universidad El Bosque",
"summary": "UB GO",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 71,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-09-17T16:33:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-09-17T16:33:04.611206Z",
"ended": "2020-09-17T17:18:50.706094Z",
"start_waiting": "2020-09-17T16:33:03.830127Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 15
},
{
"id": 65568,
"name": "OGS 2020",
"director": {
"id": 842293,
"username": "Makoto Akagi",
"country": "019",
"icon": "https://user-uploads.online-go.com/05e5d8dc71a4a531455e211984c1377f-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 579.463297408204,
"deviation": 88.4272685651919,
"volatility": 0.05997946031281329
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "reeee",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 611520,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 604800,
"initial_time": 604800,
"max_time": 864000
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 515,
"name": "OGS Title Tournaments",
"summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 2944,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-09-17T16:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-09-17T19:58:13.590311Z",
"ended": "2020-12-29T20:14:28.495468Z",
"start_waiting": "2020-09-17T19:58:13.305924Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png",
"player_count": 4
},
{
"id": 132862,
"name": "giải đấu cấp quốc gia",
"director": {
"id": 1868048,
"username": "sankfake9",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/6c9a984a5f963758ba291c7496f05283?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1308.8120443483454,
"deviation": 249.61336904820578,
"volatility": 0.059999356400963245
}
},
"ranking": 21.14699036934894,
"professional": false,
"ui_class": "provisional"
},
"description": "19x19",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 259200,
"time_control_parameters": {
"system": "simple",
"time_control": "simple",
"speed": "correspondence",
"pause_on_weekends": true,
"per_move": 259200
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 4021,
"name": "Cờ vây Việt Nam - Vietnam's Go",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 133,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": true,
"time_start": "2025-10-01T12:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": null,
"ended": null,
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 1
}
]
}
