HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58802,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4142",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4140",
"results": [
{
"id": 48031,
"name": "Correspondence 19x19 RoundRobin 2019-05-02 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:20251222T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3",
"active": true,
"created": "2015-02-20T05:58:31.027016Z",
"last_run": "2025-12-22T19:00:10.171108Z",
"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": "2025-12-25T19:00:00Z",
"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": "2019-05-02T19:00:13.375372Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-05-02T19:00:45.817236Z",
"ended": "2019-06-22T15:20:48.373194Z",
"start_waiting": "2019-05-02T19:00:44.131963Z",
"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
},
{
"id": 46954,
"name": "pro cup",
"director": {
"id": 599241,
"username": "crispinwild85",
"country": "gb",
"icon": "https://user-uploads.online-go.com/31b87dbafea182919ff948c9ddf4b105-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 533.7798770422186,
"deviation": 88.9504369742572,
"volatility": 0.06000806588071868
}
},
"ranking": 5,
"professional": false,
"ui_class": ""
},
"description": "if you want to win and have a fun time pro cup",
"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": 3189,
"name": "Go club",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 4,
"icon": "https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-03-29T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-03-29T05:29:36.649044Z",
"ended": "2019-08-03T10:14:12.740870Z",
"start_waiting": "2019-03-29T05:29:36.337314Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 47914,
"name": "2019 Abril C",
"director": {
"id": 307866,
"username": "swafaron",
"country": "br",
"icon": "https://user-uploads.online-go.com/c62da84b968b7d03ab1235c4e4988c13-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1587.4686133481332,
"deviation": 62.43372924887558,
"volatility": 0.059843071576067164
}
},
"ranking": 25.61542168232024,
"professional": false,
"ui_class": ""
},
"description": "2019 Abril C",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 31680,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 28800,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1527,
"name": "Brasil",
"summary": "Ponto de encontro dos jogadores brasileiros",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 476,
"icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-04-30T23:00:00Z",
"players_start": 2,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 13,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2019-04-30T23:00:55.645990Z",
"ended": "2019-07-01T22:05:19.810055Z",
"start_waiting": "2019-04-30T23:00:55.445338Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-15.png",
"player_count": 5,
"ranked": true
},
{
"id": 29911,
"name": "Monthly Simultaneous McMahon 2017-09-16 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": "2017-09-16T17:00:38.639079Z",
"players_start": 50,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-09-16T17:01:48.160993Z",
"ended": "2019-05-23T00:47:57.652194Z",
"start_waiting": "2017-09-16T17:01:14.485668Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 119,
"ranked": true
},
{
"id": 46750,
"name": "Round Robin",
"director": {
"id": 550109,
"username": "Orwell1984",
"country": "us",
"icon": "https://user-uploads.online-go.com/f7b8bacc801cfa70e08908e2e1585122-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1184.143219751924,
"deviation": 61.101961994915676,
"volatility": 0.0598498628504958
}
},
"ranking": 18.8296661640256,
"professional": false,
"ui_class": ""
},
"description": "This is a games",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": 1843,
"name": "Open Study Room",
"summary": "Community of go players who play long serious games in leagues, study together, set up lectures.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 1802,
"icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-03-22T01:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 14,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-03-26T06:14:51.584365Z",
"ended": "2019-05-02T07:31:24.419141Z",
"start_waiting": "2019-03-26T06:14:50.913595Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-15.png",
"player_count": 4,
"ranked": true
},
{
"id": 59727,
"name": "Selfplay 4",
"director": {
"id": 767655,
"username": "katrain-dev",
"country": "dk",
"icon": "https://user-uploads.online-go.com/36d10f42fd3c0c022fd41d5aea21641c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2217.5714941400106,
"deviation": 65.77264340022225,
"volatility": 0.060296695904283736
}
},
"ranking": 33.35381836857881,
"professional": false,
"ui_class": "bot"
},
"description": "Selfplay 4",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"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": false,
"group": {
"id": 5460,
"name": "KaTrain",
"summary": "",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 15,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2020-04-27T15:49:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2020-04-27T15:49:39.016691Z",
"ended": "2020-04-27T16:15:28.881461Z",
"start_waiting": "2020-04-27T15:49:24.215790Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 8,
"ranked": true
},
{
"id": 47191,
"name": "第２期 はむすたークラス １３路盤【 楽人リーグ戦 】",
"director": {
"id": 582205,
"username": "さかもと",
"country": "jp",
"icon": "https://user-uploads.online-go.com/a4fd22623c4d90b173eef890e634934d-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1806.4877161432678,
"deviation": 141.8396152914018,
"volatility": 0.06002488366424099
}
},
"ranking": 28.607415450972766,
"professional": false,
"ui_class": ""
},
"description": "はむすたークラスは１３路盤での開催です。\n対象棋力：１９級～１５級\n\n挨拶はしっかり！ マナーを守って楽しく対局しましょう！\n\n定員の１０名になりお申し込みができない場合は、 ４月２３日(火)１９時までに、トーナメント掲示板 あるいは グループ管理者にお知らせください。 ２回負け抜けトーナメントに変更いたします。",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 44160,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 86400,
"max_time": 172800,
"time_increment": 43200,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 3048,
"name": "【 公式 】楽人リーグ戦",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 34,
"icon": "https://user-uploads.online-go.com/b602a3a4c62da69475b1f2bf4b93d4a1-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-04-26T10:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 15,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-04-26T10:00:45.054983Z",
"ended": "2019-05-28T04:34:43.838508Z",
"start_waiting": "2019-04-26T10:00:43.379623Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/b602a3a4c62da69475b1f2bf4b93d4a1-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 47786,
"name": "Fast Correspondence – April 2019 (C)",
"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": 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": false,
"time_start": "2019-05-01T00:00:00Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2019-05-01T00:01:02.860043Z",
"ended": "2019-07-03T19:14:06.520755Z",
"start_waiting": "2019-05-01T00:00:58.884527Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png",
"player_count": 10,
"ranked": true
},
{
"id": 48671,
"name": "Blitz 19x19 Elimination Tournament 2019-05-23 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:20251225T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:06:42.010011Z",
"last_run": "2025-12-25T01:00:11.146676Z",
"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": "2025-12-25T05:00:00Z",
"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": "2019-05-23T01:30:57.445417Z",
"players_start": 4,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slide",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2019-05-23T01:30:59.265967Z",
"ended": "2019-05-23T02:26:27.589481Z",
"start_waiting": "2019-05-23T01:30:58.783667Z",
"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": 45753,
"name": "BOOT CAMP 3 \"Bloody blind date\"",
"director": {
"id": 613097,
"username": "SgtHartman",
"country": "001",
"icon": "https://user-uploads.online-go.com/b7f391461a801b84d37dbf3e927c967a-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1380.0223119640495,
"deviation": 79.12661578167102,
"volatility": 0.060006642263803506
}
},
"ranking": 22.373472223460578,
"professional": false,
"ui_class": ""
},
"description": "A fierce and fun competition for players with stone balls.",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": -1,
"rules": "japanese",
"time_per_move": 87360,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": true,
"time_control": "fischer",
"initial_time": 86400,
"max_time": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3341,
"name": "BOOT CAMP",
"summary": "My mission is tournaments for DDK players and tournaments with a handicap for all. Play, learn, have fun!",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 32,
"icon": "https://user-uploads.online-go.com/39f574a37d4485fec42b6089a126cc5f-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-03-13T01:30:00Z",
"players_start": 4,
"first_pairing_method": "random",
"subsequent_pairing_method": "random",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "group",
"started": "2019-03-13T01:30:55.213277Z",
"ended": "2019-11-18T09:07:32.697381Z",
"start_waiting": "2019-03-13T01:30:54.414415Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/39f574a37d4485fec42b6089a126cc5f-15.png",
"player_count": 7,
"ranked": true
}
]
}
