HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58737,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=378",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=376",
"results": [
{
"id": 102780,
"name": "Monthly Simultaneous McMahon 2023-05-16 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": 88451,
"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": "2023-05-16T17:00:49.921373Z",
"players_start": 20,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2023-05-16T17:01:02.682808Z",
"ended": "2024-07-10T09:14:56.892953Z",
"start_waiting": "2023-05-16T17:01:00.976199Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 41,
"ranked": true
},
{
"id": 87308,
"name": "Hello world!",
"director": {
"id": 1013920,
"username": "s10906218",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/0e3dce43b65bb1bef00fe3217f6a95df?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 2247.143281368795,
"deviation": 74.5344045044762,
"volatility": 0.06008637675611215
}
},
"ranking": 33.66048829934749,
"professional": false,
"ui_class": ""
},
"description": "Hello world!",
"schedule": null,
"title": null,
"tournament_type": "elimination",
"handicap": 0,
"rules": "chinese",
"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": 5
},
"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": 17638,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-04-01T13:00:00Z",
"players_start": 20,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-04-04T02:43:54.018713Z",
"ended": "2022-06-09T16:21:18.613448Z",
"start_waiting": "2022-04-04T02:43:53.925610Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 6,
"ranked": true
},
{
"id": 132126,
"name": "Fr5925",
"director": {
"id": 1852644,
"username": "Pro player",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/6bb6651608f16520d46e7d694be82aa8?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 920.5334492879327,
"deviation": 250,
"volatility": 0.06
}
},
"ranking": 13.000000000000002,
"professional": false,
"ui_class": "provisional"
},
"description": "Giao lưu",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 88451,
"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": 15683,
"name": "Fr5925",
"summary": "",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": true,
"hide_details": false,
"member_count": 1,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
},
"auto_start_on_max": false,
"time_start": "2025-09-05T16:00:00Z",
"players_start": 20,
"first_pairing_method": "slide",
"subsequent_pairing_method": "slaughter",
"min_ranking": 10,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "invite",
"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": 0,
"ranked": true
},
{
"id": 45273,
"name": "13x13 D.E.＼(^-^)／┬──┬ ლ(ﾟдﾟლ)",
"director": {
"id": 582363,
"username": "EagleEye",
"country": "us",
"icon": "https://user-uploads.online-go.com/9280f8ad3a78be41ed99ab34396e9646-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1112.2104026593283,
"deviation": 63.20164792269633,
"volatility": 0.06002478445949194
}
},
"ranking": 17.37885328374442,
"professional": false,
"ui_class": ""
},
"description": "###High Kyu Smackdown\n\n☆ BEGINS ON START DATE.FULL OR NOT.\n\n☆ Does NOT pause on the weekend.\n\n☆ Double Elimination, 20 players, Chinese Rules/Scoring\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).\n\n☆ If this sounds like a good time to you, please join us!",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "chinese",
"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": 3207,
"name": "New Zealand Tournaments",
"summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 592,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": true,
"time_start": "2019-02-10T01:00:00Z",
"players_start": 20,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 12,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-02-18T02:23:33.931539Z",
"ended": "2019-04-02T13:56:28.896695Z",
"start_waiting": "2019-02-18T02:23:33.038690Z",
"board_size": 13,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 8,
"ranked": true
},
{
"id": 45298,
"name": "19x19 McMahon＼(^-^)／┬──┬ ლ(ﾟдﾟლ)",
"director": {
"id": 582354,
"username": "GlacialNoivern",
"country": "us",
"icon": "https://user-uploads.online-go.com/bae7db25edc19db310969d9c23831e70-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1538.257364713131,
"deviation": 65.55077561199136,
"volatility": 0.06026203340214659
}
},
"ranking": 24.886416928616224,
"professional": false,
"ui_class": ""
},
"description": "###All Rank Grinder\n\n☆ BEGINS ON START DATE, FULL OR NOT.\n\n☆ Does NOT pause on the weekend.\n\n☆ Five rounds, 20 players, Chinese Rules/Scoring\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).\n\n☆ If this sounds like a good time to you, please join us!",
"schedule": null,
"title": null,
"tournament_type": "mcmahon",
"handicap": 0,
"rules": "chinese",
"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": 3207,
"name": "New Zealand Tournaments",
"summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 592,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"
},
"auto_start_on_max": false,
"time_start": "2019-02-16T14:00:00Z",
"players_start": 20,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2019-02-18T01:28:42.485985Z",
"ended": "2019-04-07T21:07:19.189332Z",
"start_waiting": "2019-02-18T01:28:42.041440Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png",
"player_count": 7,
"ranked": true
},
{
"id": 26789,
"name": "Kyus level Correspondence Tournament",
"director": {
"id": 433361,
"username": "Wasser Bjorn",
"country": "_United_Federation_of_Planets",
"icon": "https://user-uploads.online-go.com/427a28606bc7e5c4b6e384d4da80763c-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2021.3045472762421,
"deviation": 68.70351994328055,
"volatility": 0.06010933718270158
}
},
"ranking": 31.208518121495928,
"professional": false,
"ui_class": ""
},
"description": "Good luck everyone",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"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": 432000,
"time_increment": 28800,
"speed": "correspondence"
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 1553,
"name": "Vietnamese Go",
"summary": "Dành cho các kì thủ đang sống ở Việt Nam hoặc người Việt ở nước khác.\nFor Go players living in Vietnam or Vietnamese living abroad.",
"require_invitation": false,
"is_public": false,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 130,
"icon": "https://user-uploads.online-go.com/14a0c5d58cc9af8e053b8d9b2cf88f33-64.png"
},
"auto_start_on_max": false,
"time_start": "2017-05-13T12:00:00Z",
"players_start": 20,
"first_pairing_method": "strength",
"subsequent_pairing_method": "slide",
"min_ranking": 6,
"max_ranking": 25,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-05-13T12:01:11.136004Z",
"ended": "2018-05-11T04:05:35.262012Z",
"start_waiting": "2017-05-13T12:00:59.138881Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/14a0c5d58cc9af8e053b8d9b2cf88f33-15.png",
"player_count": 38,
"ranked": true
},
{
"id": 19218,
"name": "The tournament",
"director": {
"id": 347221,
"username": "Alectheawesome",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/8cc82c3bd72324f5d5a9593a44dc37c8?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 990.4079179848546,
"deviation": 84.17537818788169,
"volatility": 0.06001435971211636
}
},
"ranking": 14.693736378050405,
"professional": false,
"ui_class": ""
},
"description": "super",
"schedule": null,
"title": null,
"tournament_type": "double_elimination",
"handicap": 0,
"rules": "japanese",
"time_per_move": 0,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 60,
"max_time": 604800,
"time_increment": 0
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 28,
"name": "Teaching League",
"summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 4437,
"icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"
},
"auto_start_on_max": true,
"time_start": "2016-07-22T19:50:00Z",
"players_start": 20,
"first_pairing_method": "slaughter",
"subsequent_pairing_method": "slaughter",
"min_ranking": 5,
"max_ranking": 10,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2016-08-09T05:20:15.642958Z",
"ended": "2016-08-09T05:40:20.807439Z",
"start_waiting": "2016-08-09T05:20:13.958672Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png",
"player_count": 20,
"ranked": true
},
{
"id": 96307,
"name": "Monthly Simultaneous McMahon 2022-11-16 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": "2022-11-16T17:00:22.814683Z",
"players_start": 20,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-11-16T17:01:23.529062Z",
"ended": "2024-04-03T22:18:49.945968Z",
"start_waiting": "2022-11-16T17:01:18.105906Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 78,
"ranked": true
},
{
"id": 93050,
"name": "Monthly Simultaneous McMahon 2022-08-16 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": "2022-08-16T17:00:39.640347Z",
"players_start": 20,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-08-16T17:01:52.058938Z",
"ended": "2024-03-14T09:08:29.394247Z",
"start_waiting": "2022-08-16T17:01:34.512486Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 96,
"ranked": true
},
{
"id": 83030,
"name": "Tournament made on 27th November 2021 Snow Day",
"director": {
"id": 770016,
"username": "Patience_Tester",
"country": "gb",
"icon": "https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1666.175990141552,
"deviation": 65.9790324784417,
"volatility": 0.06001523085791648
}
},
"ranking": 26.73566161923096,
"professional": false,
"ui_class": ""
},
"description": "Please join for celebrating my first day of watching the fall of snow!",
"schedule": null,
"title": null,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 618240,
"time_control_parameters": {
"system": "byoyomi",
"time_control": "byoyomi",
"speed": "correspondence",
"pause_on_weekends": true,
"main_time": 1209600,
"period_time": 604800,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": {
"id": 6273,
"name": "19x19 Players",
"summary": "19x19 enthusiasts",
"require_invitation": false,
"is_public": true,
"admin_only_tournaments": false,
"hide_details": false,
"member_count": 362,
"icon": "https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-64.png"
},
"auto_start_on_max": false,
"time_start": "2022-01-27T23:00:00Z",
"players_start": 20,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 5,
"max_ranking": 38,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2022-02-04T15:35:22.354203Z",
"ended": "2024-07-19T14:00:05.791433Z",
"start_waiting": "2022-02-04T15:35:21.754172Z",
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-15.png",
"player_count": 10,
"ranked": true
}
]
}
