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=-player_count&page=55",
"previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=53",
"results": [
{
"id": 49832,
"name": "Monthly Simultaneous McMahon 2019-07-16 17:01",
"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": "2019-07-16T17:01:00.355672Z",
"players_start": 50,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-07-16T17:02:10.411123Z",
"ended": "2020-07-04T14:03:55.721839Z",
"start_waiting": "2019-07-16T17:01:39.166556Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 65,
"ranked": true
},
{
"id": 59387,
"name": "150 people",
"director": {
"id": 748408,
"username": "Sports for Life",
"country": "us",
"icon": "https://user-uploads.online-go.com/c6258ee239e8c0c6c2c9f59005725d81-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 774.2935361093267,
"deviation": 71.4033398364045,
"volatility": 0.059906278529480765
}
},
"ranking": 8.994996966313037,
"professional": false,
"ui_class": ""
},
"description": "No vacation Or pause for first 2 months till July 4\nAfter that must give me warning to pause or vacation game.\nNot follow rules means auto disqualify.",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "chinese",
"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": 4456,
"name": "Our Go House",
"summary": "Hello this is Our Go House š°š°\nšššš YEET",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 159,
"icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-05-20T14:00:00Z",
"players_start": 50,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-05-04T21:36:41.071664Z",
"ended": "2021-09-24T10:30:14.294027Z",
"start_waiting": "2020-05-04T21:36:12.211641Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png",
"player_count": 65,
"ranked": true
},
{
"id": 64767,
"name": "The 27th Murase Go Group Tournament",
"director": {
"id": 449215,
"username": "SM-SYaKo",
"country": "jp",
"icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1182.178471692773,
"deviation": 63.45983688838135,
"volatility": 0.060058455061893425
}
},
"ranking": 18.79122343818162,
"professional": false,
"ui_class": ""
},
"description": "ęÆę27ę„ć«éå¬ćććå®ä¾ćć¼ćć”ć³ćć§ćććććÆē¬¬äŗåäøåęē¬ē¢ć°ć«ć¼ćå®ä¾ćć¼ćć”ć³ćć§ćć2020幓11ę27ę„ć«éå§ććć¾ćć\n\nA tournament that happens every month on the 27th. This is the 27th tournament that starts on November 27th, 2020.",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": -1,
"rules": "japanese",
"time_per_move": 21840,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": true,
"time_increment": 18000,
"initial_time": 345600,
"max_time": 345600
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 2389,
"name": "Murase Go Group",
"summary": "The group of Japanese and any go player from different countries.\nćć®ć°ć«ć¼ććÆę„ę¬äŗŗćäøēäøć®å½ć
ć®äŗŗć
ćéćć°ć«ć¼ćć§ćć",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 93,
"icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-64.png"
},
"auto_start_on_max": false,
"time_start": "2020-11-27T13:00:00Z",
"players_start": 2,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2020-11-27T13:00:48.062448Z",
"ended": "2021-09-29T17:36:39.393270Z",
"start_waiting": "2020-11-27T13:00:39.643775Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png",
"player_count": 65,
"ranked": true
},
{
"id": 92300,
"name": "Kyu battle!",
"director": {
"id": 940672,
"username": "Yui_Chit",
"country": "hk",
"icon": "https://user-uploads.online-go.com/64c6a9c7efc232fff77bcfc11a09a4c9-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1060.6577171663262,
"deviation": 61.335411516304625,
"volatility": 0.06013555125679196
}
},
"ranking": 16.280149992634932,
"professional": false,
"ui_class": ""
},
"description": "This is the grand tournament for kyu players! Everyone is welcome!",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": -1,
"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": 604800
},
"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": 17660,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-08-30T16:00:00Z",
"players_start": 10,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 29,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-08-30T16:00:28.760945Z",
"ended": null,
"start_waiting": "2022-08-30T16:00:24.503405Z",
"board_size": 19,
"active_round": 7,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 65,
"ranked": true
},
{
"id": 73621,
"name": "Another fun tournament #1",
"director": {
"id": 771732,
"username": "Flowflo98",
"country": "de",
"icon": "https://secure.gravatar.com/avatar/23b1ecb5cd26f069ce59d9e534d708ac?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 654.7428172159429,
"deviation": 72.40362634865153,
"volatility": 0.05974829734382447
}
},
"ranking": 5.112544398296415,
"professional": false,
"ui_class": ""
},
"description": "Be kind and have fun.",
"schedule": null,
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"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": 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": 17660,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2021-04-30T22:00:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2021-04-30T22:00:18.833424Z",
"ended": "2025-04-04T05:54:33.993366Z",
"start_waiting": "2021-04-30T22:00:17.634470Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 65,
"ranked": true
},
{
"id": 130609,
"name": "Chill and basic Go tournament V",
"director": {
"id": 665775,
"username": "Behanix",
"country": "no",
"icon": "https://secure.gravatar.com/avatar/9f264bcdd3cdee8a4d5c71013aaf4d57?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 930.0331612858862,
"deviation": 64.22289072919479,
"volatility": 0.05997256294371637
}
},
"ranking": 13.23767884201483,
"professional": false,
"ui_class": "supporter"
},
"description": "A relaxed Go tournament for beginners and DDKs.\n\nHave fun and try to learn as much as possible.\n\nYou should check in once a day since the max time is 3 days, and time increment is 12 hours.\n\nHandicap is enabled so everyone has a chance to win š„\n\nGood luck š¤\n\nPrevious winners of the Chill and Basic:\n\n1. madbrain\n2. FinRabe",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": -1,
"rules": "japanese",
"time_per_move": 45251,
"time_control_parameters": {
"system": "fischer",
"time_control": "fischer",
"speed": "correspondence",
"pause_on_weekends": false,
"time_increment": 43200,
"initial_time": 259200,
"max_time": 259200
},
"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": 17660,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": true,
"time_start": "2025-12-22T09:00:00Z",
"players_start": 4,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2025-12-22T09:00:13.840225Z",
"ended": null,
"start_waiting": "2025-12-22T09:00:10.003509Z",
"board_size": 19,
"active_round": 1,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 65,
"ranked": true
},
{
"id": 22280,
"name": "OTL 2016 December Solstice Tornament",
"director": {
"id": 203945,
"username": "timuzhti",
"country": "au",
"icon": "https://user-uploads.online-go.com/447482e4d1fddb5ea71da68f3a8a67d7-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2349.2257971057606,
"deviation": 67.61151467333107,
"volatility": 0.06014167970887988
}
},
"ranking": 34.68895179754466,
"professional": false,
"ui_class": "supporter"
},
"description": "Season's greetings, and if you're not on a vacation, what better way to spend your Winter/Summer months than in a Go tournament?\n\nThis is a friendly tournament open to all. Have fun, and invite your friends.",
"schedule": null,
"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": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": {
"id": 865,
"name": "OGS Teaching Ladder",
"summary": "Teach the weaker, learn from the stronger",
"require_invitation": true,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 644,
"icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-64.png"
},
"auto_start_on_max": false,
"time_start": "2016-12-21T10:44:00Z",
"players_start": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-12-21T10:44:29.027241Z",
"ended": "2019-03-14T00:12:39.108571Z",
"start_waiting": "2016-12-21T10:44:12.937537Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-15.png",
"player_count": 64,
"ranked": true
},
{
"id": 27982,
"name": "FSTS Knockouts Open July 2017",
"director": {
"id": 87790,
"username": "MoonMonkey",
"country": "ru",
"icon": "https://user-uploads.online-go.com/9e29a56055728dccf9dafc7ebb3f8319-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1093.5261410201354,
"deviation": 62.180969905963046,
"volatility": 0.06028853857034597
}
},
"ranking": 16.986647782952765,
"professional": false,
"ui_class": ""
},
"description": "Monthly regular contest for all OGS players",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"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": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 353,
"name": "Four Seasons Tournament Series",
"summary": "Š”ŠµŃŠøŃ ŃŃŃŠ½ŠøŃŠ¾Š² \"Š§ŠµŃŃŃŠµ Š”ŠµŠ·Š¾Š½Š°\"",
"require_invitation": true,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": true,
"member_count": 623,
"icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-07-17T12:00:00Z",
"players_start": 25,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-07-17T18:50:20.764945Z",
"ended": "2019-06-14T08:11:09.550536Z",
"start_waiting": "2017-07-17T18:50:17.000825Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png",
"player_count": 64,
"ranked": true
},
{
"id": 47014,
"name": "9x9 Lovers DDK Bracket.",
"director": {
"id": 508594,
"username": "Kampinkarl1",
"country": "_Starfleet",
"icon": "https://user-uploads.online-go.com/7cceb0191a16caacbcd28f303e6b72ac-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1459.7204371363496,
"deviation": 67.42639978843152,
"volatility": 0.060125611186152214
}
},
"ranking": 23.673235197189392,
"professional": false,
"ui_class": ""
},
"description": "Weekly 9x9 Lovers tournament for 25k to 10k players. \nWinners invited to compete amongst winners of all brackets.\nConsolation tournament invitation for 4th to 6th place.",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "fischer",
"pause_on_weekends": false,
"time_control": "fischer",
"initial_time": 259200,
"max_time": 259200,
"time_increment": 86400,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3524,
"name": "9x9 Lovers",
"summary": "A group for Go players who love the 9x9 board.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-04-05T22:00:00Z",
"players_start": 4,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 20,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-04-05T22:00:34.795083Z",
"ended": "2019-07-09T18:51:21.843822Z",
"start_waiting": "2019-04-05T22:00:31.040070Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 64,
"ranked": true
},
{
"id": 50474,
"name": "9x9 Lovers July Jubilee",
"director": {
"id": 508594,
"username": "Kampinkarl1",
"country": "_Starfleet",
"icon": "https://user-uploads.online-go.com/7cceb0191a16caacbcd28f303e6b72ac-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1459.7204371363496,
"deviation": 67.42639978843152,
"volatility": 0.060125611186152214
}
},
"ranking": 23.673235197189392,
"professional": false,
"ui_class": ""
},
"description": "Note the pairings. \nAt least five players will be in each group and you will play as many games as you have opponents in your group. The tournament is fairly long with a duration of 5 rounds. \nDOES NOT PAUSE ON WEEKENDS.",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"time_per_move": 89280,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": false,
"main_time": 259200,
"period_time": 86400,
"periods": 2
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 3524,
"name": "9x9 Lovers",
"summary": "A group for Go players who love the 9x9 board.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 685,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-07-31T14:00:00Z",
"players_start": 40,
"first_pairing_method": "slide",
"subsequent_pairing_method": "strength",
"min_ranking": 8,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-07-28T11:08:55.391472Z",
"ended": "2019-12-25T16:24:26.351112Z",
"start_waiting": "2019-07-28T11:08:24.249213Z",
"board_size": 9,
"active_round": null,
"icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png",
"player_count": 64,
"ranked": true
}
]
}
