HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58703,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5763",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5761",
"results": [
{
"id": 52118,
"name": "1ST 19x19 ROLAND GORROS: TABLE E",
"director": {
"id": 48251,
"username": "Mitsunari",
"country": "fr",
"icon": "https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1629.579069959848,
"deviation": 65.48747221487639,
"volatility": 0.06031598686346788
}
},
"ranking": 26.221513260924223,
"professional": false,
"ui_class": ""
},
"description": "Hello,<p>\nThis is the table E of the 1st 19x19 Roland GOrros.\nThis table is a single elimination tournament. The winner will be qualified to the final table (single elimination too).<p>\nEnjoy :)",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 59520,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 57600,
"initial_time": 172800,
"max_time": 259200
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2514,
"name": "Continental and World Go Cups Group",
"summary": "You want to become World Champion or a Continental champion? Join us :)",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 524,
"icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-05-30T22:00:00Z",
"players_start": 32,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-05-30T22:00:59.349430Z",
"ended": "2021-03-21T19:03:33.897598Z",
"start_waiting": "2020-05-30T22:00:58.441195Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png",
"player_count": 32,
"ranked": true
},
{
"id": 64811,
"name": "19x19",
"director": {
"id": 804629,
"username": "soy sauce jar and air",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/bbcb3dfe5c7515c1110d2c77da13b24d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1119.6630312470522,
"deviation": 71.24487544934807,
"volatility": 0.060018119132542104
}
},
"ranking": 17.53345792254406,
"professional": false,
"ui_class": ""
},
"description": "please join thx",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "aga",
"time_per_move": 13440,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 1209600
},
"is_open": true,
"exclude_provisional": false,
"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": 17635,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": true,
"time_start": "2020-08-30T16:00:00Z",
"players_start": 3,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-08-28T17:59:36.622818Z",
"ended": "2020-08-29T13:47:13.853378Z",
"start_waiting": "2020-08-28T17:59:36.533816Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 2,
"ranked": true
},
{
"id": 58376,
"name": "6th Cosmo Tournament: fast correspondence 19x19",
"director": {
"id": 446898,
"username": "Dark Cosmos",
"country": "150",
"icon": "https://user-uploads.online-go.com/80006af13263a20bc006e67aba625553-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1892.8571702423064,
"deviation": 72.93769202214149,
"volatility": 0.05999417625510985
}
},
"ranking": 29.688588652541746,
"professional": false,
"ui_class": ""
},
"description": "Stay at home and play Go!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13440,
"time_control_parameters": {
"system": "absolute",
"time_control": "absolute",
"speed": "correspondence",
"pause_on_weekends": true,
"total_time": 1209600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2844,
"name": "CosmoSpirit",
"summary": "",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 19,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-04-06T16:00:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-04-03T13:35:13.660784Z",
"ended": "2020-08-13T17:04:57.639170Z",
"start_waiting": "2020-04-03T13:35:13.402987Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 6,
"ranked": true
},
{
"id": 1936,
"name": "dietrenke's mini-tournament",
"director": {
"id": 24005,
"username": "dietrenke",
"country": "at",
"icon": "https://secure.gravatar.com/avatar/d50b3fabb9f82d42b4e7e74b04b4957d?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1538.376166597731,
"deviation": 63.90378919533483,
"volatility": 0.05974833268188881
}
},
"ranking": 24.888204768215488,
"professional": false,
"ui_class": "supporter"
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"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": 380,
"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": 15,
"max_ranking": 23,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2012-12-17T07:19:07Z",
"ended": "2012-12-17T06:19:07Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0,
"ranked": true
},
{
"id": 77431,
"name": "4A 08",
"director": {
"id": 1023107,
"username": "Jayden_sca-022026",
"country": "un",
"icon": "https://user-uploads.online-go.com/bd47922dd8c2a912605be18e8a2df84e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 628.4638415344155,
"deviation": 161.8203642403576,
"volatility": 0.060037096026427476
}
},
"ranking": 5,
"professional": false,
"ui_class": "provisional"
},
"description": "ghjgdhkdgjkdghkdht",
"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": 9643,
"name": "SCPS4A",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 24,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2021-07-13T02:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-07-13T12:39:28.223141Z",
"ended": "2021-12-18T17:54:20.653153Z",
"start_waiting": "2021-07-13T12:39:28.131760Z",
"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": 57062,
"name": "Monthly Simultaneous McMahon 2020-03-16 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": 10,
"name": "Monthly Simultaneous McMahon",
"rrule": "DTSTART:20251201T170000Z\nRRULE:FREQ=MONTHLY",
"active": true,
"created": "2015-12-16T02:47:16.592231Z",
"last_run": "2025-12-01T17:00:10.927989Z",
"lead_time_seconds": 1296000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 86400
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclude_provisional": true,
"players_start": 20,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 5,
"maximum_players": 200
},
"next_run": "2026-01-01T17:00:00Z",
"base_points": "50.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"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": "2020-03-16T17:00:25.776628Z",
"players_start": 50,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-03-16T17:01:39.444527Z",
"ended": "2021-08-14T05:46:49.457990Z",
"start_waiting": "2020-03-16T17:00:55.518375Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 115,
"ranked": true
},
{
"id": 77938,
"name": "Blitz 19x19 Elimination Tournament 2021-07-24 01:30",
"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:20251217T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-12-17T09:01:01.572444Z",
"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": "2025-12-17T13:00:00Z",
"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": "2021-07-24T01:30:08.412301Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-07-24T01:32:10.009903Z",
"ended": "2021-07-24T01:47:10.259269Z",
"start_waiting": "2021-07-24T01:32:09.840702Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 4,
"ranked": true
},
{
"id": 74646,
"name": "1/5 簡頌賢\t周學賢",
"director": {
"id": 818416,
"username": "傳碁學園",
"country": "un",
"icon": "https://user-uploads.online-go.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": "1/5 簡頌賢\t周學賢",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 23,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "live",
"pause_on_weekends": false,
"main_time": 720,
"period_time": 15,
"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": "2021-05-01T11:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "group",
"started": "2021-05-01T10:03:45.055094Z",
"ended": "2021-05-01T10:36:23.547218Z",
"start_waiting": "2021-05-01T10:03:44.985343Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 2,
"ranked": true
},
{
"id": 60920,
"name": "Dans 19x19 Tournament Group",
"director": {
"id": 747694,
"username": "kingkaio",
"country": "ua",
"icon": "https://user-uploads.online-go.com/153fb07f8ce9121e748b2e51172936d2-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1167.6804695413712,
"deviation": 62.48738706337885,
"volatility": 0.06012577810744558
}
},
"ranking": 18.505561177652012,
"professional": false,
"ui_class": ""
},
"description": "join our group",
"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": 5683,
"name": "Tournaments Group",
"summary": "A group for people who like tournaments.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 66,
"icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-06-25T20:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 30,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-06-25T20:33:30.944337Z",
"ended": "2020-07-18T02:09:52.548171Z",
"start_waiting": "2020-06-25T20:33:30.644225Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/905cdf0c41d571282428b5d769b638c3-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 76550,
"name": "Blitz 19x19 Elimination Tournament 2021-06-20 17:30",
"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:20251217T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-12-17T09:01:01.572444Z",
"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": "2025-12-17T13:00:00Z",
"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": "2021-06-20T17:30:33.096754Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2021-06-20T17:30:34.489377Z",
"ended": "2021-06-20T18:04:23.183575Z",
"start_waiting": "2021-06-20T17:30:34.349629Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7,
"ranked": true
}
]
}
