Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=403
{ "count": 60128, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=404", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=402", "results": [ { "id": 106679, "name": "19x19 Open League #27", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1364.201035112358, "deviation": 70.42961713510365, "volatility": 0.06022881278740499 } }, "ranking": 22.106535774851636, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 78, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-27T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-25T06:16:52.474611Z", "ended": "2024-01-26T08:34:45.032602Z", "start_waiting": "2023-08-25T06:16:51.961085Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 20598, "name": "2nd annual Yamashita Keigo (山下敬吾) Birthday DDK Tournament", "director": { "id": 58836, "username": "DrQuantum", "country": "us", "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png", "ratings": { "version": 5, "overall": { "rating": 914.8060519165991, "deviation": 62.60218984084532, "volatility": 0.05898022913976336 } }, "ranking": 12.855514819510503, "professional": false, "ui_class": "" }, "description": "This tournament is the 2nd annual tournament to celebrate the birthday of Nihon Ki-in professional Yamashita Keigo (山下敬吾)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3674, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2016-09-19T12:55:00Z", "players_start": 12, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-19T12:55:53.402203Z", "ended": "2018-01-16T16:58:24.153401Z", "start_waiting": "2016-09-19T12:55:52.010459Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 24, "ranked": true }, { "id": 18565, "name": "Correspondence 9x9 RoundRobin 2016-06-27 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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:20260704T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-07-04T19:00:17.976012Z", "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": "2026-07-07T19:00:00Z", "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, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-06-27T01:00:28.086548Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-06-27T01:00:48.183104Z", "ended": "2016-08-14T16:37:08.867036Z", "start_waiting": "2016-06-27T01:00:47.227105Z", "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": 107232, "name": "这是一个锦标赛", "director": { "id": 1340397, "username": "deleted-f10a868c-43b1-408d-96e3-60b5624c698c", "country": "cn", "icon": "https://user-uploads.online-go.com/71f9fade6b86ca9e7fa07cbc7d67b45d-64.png", "ratings": { "version": 5, "overall": { "rating": 1469.0333205041609, "deviation": 63.308415534924876, "volatility": 0.05998180678956573 } }, "ranking": 23.820460941956867, "professional": false, "ui_class": "" }, "description": "这是一个锦标赛", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 74, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 60, "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": 18034, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-07T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-08-03T06:33:18.497961Z", "ended": "2024-08-03T06:40:03.918779Z", "start_waiting": "2024-08-03T06:33:18.393837Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 2, "ranked": true }, { "id": 34865, "name": "Correspondence 19x19 RoundRobin 2018-02-27 mini", "director": { "id": 476339, "username": "VPshunt5", "country": "jp", "icon": "https://user-uploads.online-go.com/361fa36feaf2a08946eb4f238b96128d-64.png", "ratings": { "version": 5, "overall": { "rating": 2120.0971932493453, "deviation": 84.04982835529422, "volatility": 0.05979076239564588 } }, "ranking": 32.31320869008956, "professional": false, "ui_class": "" }, "description": "Correspondence 19x19 RoundRobin 2018-02-27 mini", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 46080, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 43200, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2214, "name": "Dogs fun", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-64.png" }, "auto_start_on_max": true, "time_start": "2018-02-26T16:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2018-02-26T14:34:15.706207Z", "ended": "2018-03-29T00:17:14.160282Z", "start_waiting": "2018-02-26T14:34:15.019482Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-15.png", "player_count": 4, "ranked": true }, { "id": 66070, "name": "Correspondence 9x9 RoundRobin 2020-10-01 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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:20260704T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-07-04T19:00:17.976012Z", "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": "2026-07-07T19:00:00Z", "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": "2020-10-01T19:00:41.924232Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-01T19:01:41.792904Z", "ended": "2020-10-24T12:04:34.321355Z", "start_waiting": "2020-10-01T19:01:39.735648Z", "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": 65816, "name": "torneo triskaidekaphobico", "director": { "id": 362737, "username": "seranhelo", "country": "co", "icon": "https://user-uploads.online-go.com/c6280536610b91d50418b68e10fc8081-64.png", "ratings": { "version": 5, "overall": { "rating": 1315.4110560105903, "deviation": 60.784797360228325, "volatility": 0.05977725254366489 } }, "ranking": 21.26341906930818, "professional": false, "ui_class": "" }, "description": "torneo para practicar en tablero intermedio", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 15360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 86400, "max_time": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4667, "name": "Universidad El Bosque", "summary": "UB GO", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-10-01T22:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-01T22:00:50.589881Z", "ended": "2020-10-27T04:16:42.115265Z", "start_waiting": "2020-10-01T22:00:48.134958Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 20, "ranked": true }, { "id": 123458, "name": "12/21/2024 Second week tournament", "director": { "id": 1571128, "username": "ArsaArsa", "country": "tn", "icon": "https://user-uploads.online-go.com/d86f9b11bccfadc4ba384f1aa6854449-64.png", "ratings": { "version": 5, "overall": { "rating": 962.3704045101862, "deviation": 64.8518535872202, "volatility": 0.06017732654607431 } }, "ranking": 14.028926618799872, "professional": false, "ui_class": "" }, "description": "Hello guys!\nWelcome to this weeks tournament,\nToday,I will talk to you about an interesting topic;\nIn ancient Japan,Noblemen used a Go board as a love letter,They left secret messages in the placement of their stones for their lovers to decipher!\n\nPersonally,i don't think Go is very...\"Romantic\" 😅\nPRIZE;You recommend a Photo that will stay as the Group's photo for a week,no matter how ridiculous.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 194, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 180, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14869, "name": "ArsaArsa's teaching group", "summary": "\"To Study the self is to forget the self;To forget the self is to be actualized by Myriad things.\" -Dougen Zenji.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/5e0a23f1599bfcc33fb1287c0620456e-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-21T18:00:00Z", "players_start": 3, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-21T18:00:55.211172Z", "ended": "2024-12-21T20:01:54.918371Z", "start_waiting": "2024-12-21T18:00:55.107305Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5e0a23f1599bfcc33fb1287c0620456e-15.png", "player_count": 4, "ranked": true }, { "id": 75162, "name": "Torneo productivo", "director": { "id": 813211, "username": "NHZ", "country": "co", "icon": "https://secure.gravatar.com/avatar/c8759e1813589a83085d93062787abcb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1184.1013255085343, "deviation": 67.99707856587811, "volatility": 0.06000311916076307 } }, "ranking": 18.828847117076656, "professional": false, "ui_class": "" }, "description": "Aún más productivo", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 1500, "max_time": 1500 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4806, "name": "COIN Centro de Inteligencias", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 65, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-05-14T21:05:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-14T21:05:07.146492Z", "ended": "2021-05-14T21:17:38.547296Z", "start_waiting": "2021-05-14T21:05:06.949479Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 66359, "name": "Correspondence 9x9 RoundRobin 2020-10-07 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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:20260704T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-07-04T19:00:17.976012Z", "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": "2026-07-07T19:00:00Z", "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": "2020-10-07T19:00:46.853815Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-07T19:00:59.443654Z", "ended": "2020-11-17T17:23:55.456708Z", "start_waiting": "2020-10-07T19:00:56.058495Z", "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 } ] }
