HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept
{
"count": 58142,
"next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=242",
"previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=240",
"results": [
{
"id": 265,
"name": "Hattori's Handijazz",
"director": {
"id": 6261,
"username": "hattori",
"country": "no",
"icon": "https://secure.gravatar.com/avatar/9e0326490596a094730a0722ffb8d7f7?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1811.3394228133682,
"deviation": 62.28922739978002,
"volatility": 0.05997524715193623
}
},
"ranking": 28.66950635384365,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 172800,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 2592000,
"time_increment": 172800
},
"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": 381,
"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": 9,
"max_ranking": 29,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2008-08-02T14:44:44Z",
"ended": "2008-08-02T12:44:44Z",
"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
},
{
"id": 264,
"name": "noyeswhyme's mini-tournament",
"director": {
"id": 4187,
"username": "noyeswhyme",
"country": "us",
"icon": "https://secure.gravatar.com/avatar/83c00a2dfbee12c11e2075bafbb76d6f?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1510.1273085383464,
"deviation": 64.18920431112058,
"volatility": 0.059967241024997744
}
},
"ranking": 24.459155047028826,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 604800,
"time_increment": 86400
},
"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": 381,
"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": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2007-07-13T01:37:00Z",
"ended": "2007-08-11T20:05:00Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
},
{
"id": 2444,
"name": "Tianyuan Main Title Tournament 2011",
"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": "Tianyuan Main Title Tournament 2011",
"schedule": null,
"title": {
"id": 13,
"name": "Tianyuan Main Title Tournament",
"holder": {
"id": 43936,
"username": "Sadaharu",
"country": "sg",
"icon": "https://user-uploads.online-go.com/7c560149f1de7fce503f52c3c38cdb3e-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 2362.032465755775,
"deviation": 83.14831153454145,
"volatility": 0.06029804622107124
}
},
"ranking": 34.814809941143444,
"professional": false,
"ui_class": "supporter"
},
"rules": "chinese",
"tournament_type": "s_mcmahon"
},
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "chinese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 604800,
"max_time": 604800,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": false,
"group": null,
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2011-10-01T21:00:03Z",
"ended": "2014-04-01T08:09:05.566614Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/tianyuan_19.png",
"player_count": 0
},
{
"id": 33499,
"name": "Blitz 13x13 Swiss Tournament 2018-01-08 11:30",
"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": 3,
"name": "Blitz 13x13 Swiss Tournament",
"rrule": "DTSTART:20251022T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:27:45.234995Z",
"last_run": "2025-10-22T19:00:14.519971Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-10-22T23:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 13,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 10,
"main_time": 300,
"periods": 5
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2018-01-08T11:30:08.073593Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2018-01-08T11:30:12.328760Z",
"ended": "2018-01-08T12:10:28.303199Z",
"start_waiting": "2018-01-08T11:30:10.636966Z",
"board_size": 13,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png",
"player_count": 6
},
{
"id": 59539,
"name": "Live 19x19 Swiss Tournament 2020-04-24 08:30",
"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": 4,
"name": "Live 19x19 Swiss Tournament",
"rrule": "DTSTART:20251022T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4",
"active": true,
"created": "2014-12-20T06:30:39.250689Z",
"last_run": "2025-10-22T20:00:14.465616Z",
"lead_time_seconds": 1800,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"size": 19,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclude_provisional": true,
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": "3",
"upper_bar": "20",
"lower_bar": "10",
"group_size": "3",
"maximum_players": 40
},
"next_run": "2025-10-23T00:00:00Z",
"base_points": "10.0"
},
"title": null,
"tournament_type": "swiss",
"handicap": 0,
"rules": "japanese",
"time_per_move": 36,
"time_control_parameters": {
"time_control": "byoyomi",
"period_time": 30,
"main_time": 600,
"periods": 3
},
"is_open": true,
"exclude_provisional": true,
"group": null,
"auto_start_on_max": false,
"time_start": "2020-04-24T08:30:58.667511Z",
"players_start": 6,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2020-04-24T08:31:00.757067Z",
"ended": "2020-04-24T10:29:27.997446Z",
"start_waiting": "2020-04-24T08:30:59.928606Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 7
},
{
"id": 292,
"name": "Ralke's (3days/move blitz) mini-tournament",
"director": {
"id": 2960,
"username": "Ralke",
"country": "un",
"icon": "https://secure.gravatar.com/avatar/c328ec3e4fa6fcb8e3355ee965a724a1?s=64&d=retro",
"ratings": {
"version": 5,
"overall": {
"rating": 1548.253432486618,
"deviation": 64.35886022735019,
"volatility": 0.060022935741669906
}
},
"ranking": 25.036366041532403,
"professional": false,
"ui_class": ""
},
"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": 381,
"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": 7,
"max_ranking": 16,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2007-08-12T17:44:00Z",
"ended": "2008-01-01T14:05:00Z",
"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
},
{
"id": 32492,
"name": "Correspondence Weekly McMahon 19x19 2017-12-09 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": 9,
"name": "Correspondence Weekly McMahon 19x19",
"rrule": "DTSTART:20251020T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-10-20T17:00:41.930407Z",
"lead_time_seconds": 432000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"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": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 4,
"maximum_players": 1000
},
"next_run": "2025-10-27T17:00:00Z",
"base_points": "30.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"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": "2017-12-09T17:00:41.611222Z",
"players_start": 60,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2017-12-09T17:01:45.194348Z",
"ended": "2019-08-24T05:56:53.249879Z",
"start_waiting": "2017-12-09T17:01:09.167637Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 66
},
{
"id": 33310,
"name": "Correspondence Weekly McMahon 19x19 2018-01-06 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": 9,
"name": "Correspondence Weekly McMahon 19x19",
"rrule": "DTSTART:20251020T170000Z\nRRULE:FREQ=WEEKLY",
"active": true,
"created": "2015-12-16T02:22:56.480465Z",
"last_run": "2025-10-20T17:00:41.930407Z",
"lead_time_seconds": 432000,
"tournament_type": "s_mcmahon",
"handicap": 0,
"rules": "japanese",
"size": 19,
"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": 10,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"settings": {
"num_rounds": 3,
"upper_bar": "25",
"lower_bar": "15",
"group_size": 4,
"maximum_players": 1000
},
"next_run": "2025-10-27T17:00:00Z",
"base_points": "30.0"
},
"title": null,
"tournament_type": "s_mcmahon",
"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": "2018-01-06T17:00:17.496867Z",
"players_start": 60,
"first_pairing_method": "random",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 36,
"analysis_enabled": true,
"exclusivity": "open",
"started": "2018-01-06T17:02:54.623112Z",
"ended": "2019-11-04T00:17:29.645407Z",
"start_waiting": "2018-01-06T17:02:07.796906Z",
"board_size": 19,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png",
"player_count": 73
},
{
"id": 2968,
"name": "HKB Beginners' Tournament 2nd Cycle",
"director": {
"id": 42360,
"username": "Henrib736",
"country": "us",
"icon": "https://user-uploads.online-go.com/cfd31e74c2d9b1ad2b6d571ecc820cf6-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1345.0585409259156,
"deviation": 64.53637528197693,
"volatility": 0.06005390268858446
}
},
"ranking": 21.7793939100321,
"professional": false,
"ui_class": ""
},
"description": "Required Rank: 30k - 20k",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": 0,
"rules": "japanese",
"time_per_move": 91200,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 432000,
"max_time": 432000,
"time_increment": 86400
},
"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": 17507,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"
},
"auto_start_on_max": false,
"time_start": null,
"players_start": null,
"first_pairing_method": "strength",
"subsequent_pairing_method": "strength",
"min_ranking": 0,
"max_ranking": 10,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2014-07-05T16:57:05.989451Z",
"ended": "2014-09-10T21:12:13.542681Z",
"start_waiting": null,
"board_size": 19,
"active_round": null,
"icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png",
"player_count": 0
},
{
"id": 291,
"name": "9x9 Handicap",
"director": {
"id": 2022,
"username": "startstek",
"country": "dz",
"icon": "https://user-uploads.online-go.com/8fde3688eef7e69ea16d422ce27abae8-64.png",
"ratings": {
"version": 5,
"overall": {
"rating": 1451.9590746315382,
"deviation": 63.249589911998925,
"volatility": 0.060050742508440155
}
},
"ranking": 23.549817790281928,
"professional": false,
"ui_class": ""
},
"description": "",
"schedule": null,
"title": null,
"tournament_type": "roundrobin",
"handicap": -1,
"rules": "japanese",
"time_per_move": 86400,
"time_control_parameters": {
"time_control": "fischer",
"initial_time": 259200,
"max_time": 432000,
"time_increment": 86400
},
"is_open": true,
"exclude_provisional": true,
"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": 381,
"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": 0,
"max_ranking": 36,
"analysis_enabled": false,
"exclusivity": "open",
"started": "2007-08-12T11:13:00Z",
"ended": "2007-11-01T18:55:00Z",
"start_waiting": null,
"board_size": 9,
"active_round": null,
"icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg",
"player_count": 0
}
]
}
