HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58779,
"next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=438",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=436",
"results": [
{
"id": 46239,
"name": "Haijo: Yakobura kenkyūkai",
"director": {
"id": 621213,
"username": "yeetusin",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/87119952f0936a1fe642c2815a1ac36b?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1235.2068416512782,
"deviation": 124.06318349972257,
"volatility": 0.05999700741708274
}
},
"ranking": 19.807034796333593,
"professional": false,
"ui_class": ""
},
"description": "Yakobura kenkyūkai: Tournament Official 1",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 10,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 30,
"max_time": 60,
"time_increment": 10,
"speed": "live"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 3450,
"name": "Study Group - Taught by JacobLa",
"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": true,
"time_start": "2019-03-06T06:21:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-03-06T06:21:33.613501Z",
"ended": "2019-03-06T06:22:18.995295Z",
"start_waiting": "2019-03-06T06:21:33.388936Z",
"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": 44207,
"name": "metaBot AI Tournament OGS 2019x19",
"director": {
"id": 479173,
"username": "deleted-0e34c7ea-5a69-4ee1-a84b-483ded939c93",
"country": "un",
"icon": "https://user-uploads.online-go.com/b8ad42ba369115967a92726b4ef47cd1-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1508.7509639658283,
"deviation": 65.34024253147996,
"volatility": 0.06005751722154357
}
},
"ranking": 24.438046293256544,
"professional": false,
"ui_class": ""
},
"description": "This time using Canadian Byo Yomi for faster games\n\nThis 1st edition of the OGS AI tournament will be held Saturday 12 January 2019, starting at 09:00 AM GMT Time\n\n---------\nUPDATE : if there are many bots, i am willing to open a B block with 10 new seats !! \n---------------------------------\n\nSee group page for rules and description !\n\nhttps://online-go.com/group/3211\n\nCommunity discussions :\n- lifein19x19 forum : https://www.lifein19x19.com/viewtopic.php?f=18&t=16340\n- leela zero github : https://github.com/gcp/leela-zero/issues/2109\n- leela zero discord : https://discord.gg/5vacH5F\n- reddit r/cbaduk : https://www.reddit.com/r/cbaduk/comments/ab9utu/upcoming_ogs_ai_tournament_2019x19/\n- ogs forum : https://forums.online-go.com/t/ai-tournament-metabot-2019x19/19727\n- go players discord : https://discord.gg/Tbdp2z3\n\n<!DOCTYPE html>\n<html>\n<body>\n\n<img src=\"https://i.imgur.com/WP5qqs5.png\" alt=\"splurgist picture 1\" width=\"575\" height=\"317\">\n\n</body>",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 4320,
"time_control_parameters": {
"period_time": 86400,
"main_time": 0,
"system": "canadian",
"pause_on_weekends": false,
"time_control": "canadian",
"stones_per_period": 20,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3211,
"name": "gtp2ogs AI Gathering 2019x19 ໒( ̿ ᴥ ̿ )७",
"summary": "Gathering all OGS AI enthusiasts ! Welcome !!!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 245,
"icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-01-12T09:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 33,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2019-01-12T09:00:48.253461Z",
"ended": "2019-01-13T12:29:50.383098Z",
"start_waiting": "2019-01-12T09:00:47.285988Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 45188,
"name": "Correspondence 19x19 RoundRobin 2019-02-01 19:00",
"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:20251219T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-12-19T19:01:04.430048Z",
"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": "2025-12-22T19:00:00Z",
"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": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2019-02-01T19:00:56.116486Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-02-01T19:01:21.102183Z",
"ended": "2019-04-24T13:41:23.561101Z",
"start_waiting": "2019-02-01T19:01:20.329164Z",
"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": 45153,
"name": "Correspondence 9x9 RoundRobin 2019-01-31 19:00",
"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:20251221T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-21T19:00:56.059231Z",
"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": "2025-12-24T19:00:00Z",
"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": "2019-01-31T19:00:23.507542Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-01-31T19:00:55.666833Z",
"ended": "2019-02-10T13:09:08.992534Z",
"start_waiting": "2019-01-31T19:00:51.825261Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 8,
"ranked": true
},
{
"id": 54139,
"name": "Correspondence 9x9 RoundRobin 2019-11-24 19:00",
"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:20251221T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:56:18.340749Z",
"last_run": "2025-12-21T19:00:56.059231Z",
"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": "2025-12-24T19:00:00Z",
"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": "2019-11-24T19:00:38.050973Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-11-24T19:01:34.147060Z",
"ended": "2019-12-27T18:06:50.738207Z",
"start_waiting": "2019-11-24T19:01:28.971995Z",
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png",
"player_count": 10,
"ranked": true
},
{
"id": 43185,
"name": "Fast Corresp. 19x19 \"Out-of-Ten\". Starts when full. Dec-'18",
"director": {
"id": 497519,
"username": "Kosh-retired",
"country": "_Lord_Howe_Island",
"icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1574.954785564748,
"deviation": 61.40997215047312,
"volatility": 0.060088015249815864
}
},
"ranking": 25.432209892698047,
"professional": false,
"ui_class": ""
},
"description": "---\n-STARTS WHEN FULL. - Does NOT pause on the weekend.\n\n-Just one round. Ten players, nine games.\n\n-If this suits you then, Bonne Partie. :)\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).",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 45120,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 172800,
"max_time": 259200,
"time_increment": 43200,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"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": 802,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": true,
"time_start": "2018-12-01T12:00:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-11-30T13:42:45.617658Z",
"ended": "2019-03-06T13:28:06.822327Z",
"start_waiting": "2018-11-30T13:42:37.810311Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 49711,
"name": "Reg Cor. 9x9 10player R-Robin. Starts when full. Jul'19rB",
"director": {
"id": 497519,
"username": "Kosh-retired",
"country": "_Lord_Howe_Island",
"icon": "https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1574.954785564748,
"deviation": 61.40997215047312,
"volatility": 0.060088015249815864
}
},
"ranking": 25.432209892698047,
"professional": false,
"ui_class": ""
},
"description": "---\n- STARTS WHEN FULL & Does NOT pause on the weekend.\n\n- Just one round. Ten players, nine games, Chinese Rules/Scoring.\n\n- If this suits you then, Bonne Partie :)\n\n- Note: Provisional players allowed & welcome.",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "chinese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 86400,
"initial_time": 259200,
"max_time": 432000
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2014,
"name": "The Nines 9x9 ",
"summary": "9x9 Go!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 371,
"icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-07-08T13:01:00Z",
"players_start": 10,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-07-10T19:57:13.761205Z",
"ended": "2019-08-11T18:19:12.981812Z",
"start_waiting": "2019-07-10T19:57:00.974352Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 40105,
"name": "Lions 9 - august 2018",
"director": {
"id": 557899,
"username": "🦁 Lvicala 🦁",
"country": "cz",
"icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1215.5307681865688,
"deviation": 63.83387610820817,
"volatility": 0.060058613626475424
}
},
"ranking": 19.435301089469824,
"professional": false,
"ui_class": ""
},
"description": "Everybody is welcome",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 87360,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 86400,
"max_time": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 2773,
"name": "Lions",
"summary": "for all fighters like lion :)",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 8,
"icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-08-25T11:00:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-08-25T11:00:00.903495Z",
"ended": "2019-01-05T12:53:51.535958Z",
"start_waiting": "2018-08-25T11:00:00.201396Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-15.png",
"player_count": 13,
"ranked": true
},
{
"id": 36364,
"name": "Surrounding game 2",
"director": {
"id": 453432,
"username": "MtTriangle",
"country": "_Pirate",
"icon": "https://user-uploads.online-go.com/9315ba544715b7fba4243d17aa350f2c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1898.3335225704193,
"deviation": 62.884293267940194,
"volatility": 0.05998653705225121
}
},
"ranking": 29.75546877271756,
"professional": false,
"ui_class": ""
},
"description": "Thank you guys for joining my first tournament(Surrounding game). I made another one that I hope will be more fun.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"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": 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": 17653,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2018-05-02T20:00:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-05-02T20:00:07.135388Z",
"ended": "2019-01-05T14:15:55.704224Z",
"start_waiting": "2018-05-02T20:00:04.371460Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 26,
"ranked": true
},
{
"id": 44427,
"name": "Fast Correspondence – January 2019 (D)",
"director": {
"id": 784,
"username": "mlopezviedma",
"country": "ar",
"icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1588.1543621874353,
"deviation": 62.71960340021569,
"volatility": 0.05973071323930564
}
},
"ranking": 25.625419774662372,
"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": 802,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-01-13T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2019-01-13T00:00:49.508500Z",
"ended": "2019-02-24T19:16:34.222785Z",
"start_waiting": "2019-01-13T00:00:46.018151Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10,
"ranked": true
}
]
}
