Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=4633
{ "count": 59287, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=4634", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=4632", "results": [ { "id": 2830, "name": "HKB Supreme Tournament 1st 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": "All ranks included. Will start when 100 slots are filled.", "schedule": null, "title": null, "tournament_type": "s_elimination", "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": 17885, "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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-06-12T19:40:24.577525Z", "ended": "2015-12-06T04:37:01.654500Z", "start_waiting": "2014-06-12T19:31:03.086086Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true }, { "id": 2638, "name": "Por ĉiuj esperantejanoj", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 850.7818459575044, "deviation": 67.0614219335446, "volatility": 0.059280600554013116 } }, "ranking": 11.175835728954786, "professional": false, "ui_class": "supporter" }, "description": "Oni invitas ankaŭ aliaj samideanoj", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 137, "name": "Esperantejo", "summary": "Por esperanta go luduloj", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 104, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-64.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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-02-04T04:00:40.521679Z", "ended": "2014-05-02T12:38:51.408017Z", "start_waiting": "2013-11-13T21:10:02.450161Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-15.png", "player_count": 0, "ranked": true }, { "id": 2642, "name": "Work on the Basics 9x9 -- Instructure Only Please", "director": { "id": 654, "username": "jonw", "country": "us", "icon": "https://secure.gravatar.com/avatar/891f85daa2744c83414396130b540ba0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1709.9941357009798, "deviation": 107.66816532392959, "volatility": 0.06001430176280394 } }, "ranking": 27.336607065767783, "professional": false, "ui_class": "" }, "description": "A tournament for those still working on the basics.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "aga", "time_per_move": 88320, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 57, "name": "Instructure", "summary": "A group for Instructure-ites to play in. http://www.instructure.com", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 36, "icon": "https://user-uploads.online-go.com/2476a22b658608ef0b41c619a6a3b6d8-64.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": 36, "analysis_enabled": true, "exclusivity": "invite", "started": "2013-11-20T04:38:33.216811Z", "ended": "2013-12-10T15:17:01.283044Z", "start_waiting": "2013-11-18T20:29:57.042901Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/2476a22b658608ef0b41c619a6a3b6d8-15.png", "player_count": 0, "ranked": true }, { "id": 2652, "name": "Lets Get Playing!", "director": { "id": 47750, "username": "JustForFun", "country": "gb", "icon": "https://user-uploads.online-go.com/b102bf60d80e8b10a1f83eb17c74f84e-64.png", "ratings": { "version": 5, "overall": { "rating": 1111.6624849301056, "deviation": 66.17035635520415, "volatility": 0.06003058396753955 } }, "ranking": 17.367445891029714, "professional": false, "ui_class": "" }, "description": "As I'm a bit of a beginner, you may find it a bit boring if you are 10 k or better. I'm not sure if I have set good parameters, as I'm so new to this; but what the heck!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "chinese", "time_per_move": 179520, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 777600, "time_increment": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 37, "name": "UK ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 73, "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": true, "exclusivity": "open", "started": "2013-11-23T06:31:08.565826Z", "ended": "2014-06-13T18:01:03.687136Z", "start_waiting": "2013-11-23T06:31:08.260869Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 2657, "name": "ATG Tournament", "director": { "id": 52493, "username": "Omnislash", "country": "fr", "icon": "https://secure.gravatar.com/avatar/e3c3d990c2864bd9b5c4cc538884cf20?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2161.6393325398226, "deviation": 75.24915089381496, "volatility": 0.060033153022789824 } }, "ranking": 32.76243329609812, "professional": false, "ui_class": "" }, "description": "New Group - Join us, enjoy the tournaments, the audio reviews, and the members :) Correspondance Game. Will start December 1st.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 2592000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 155, "name": "Audio Teaching Group", "summary": "This is a group for players who enjoy reviewing games by audio, or who enjoy being taught so.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/25203c8b3d5ec667d0c98891af73fe7b-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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2013-12-03T08:28:07.656626Z", "ended": "2014-07-06T18:15:45.236020Z", "start_waiting": "2013-12-03T08:28:06.512264Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/25203c8b3d5ec667d0c98891af73fe7b-15.png", "player_count": 0, "ranked": true }, { "id": 17, "name": "July 2013 Simultaneous McMahon Tournament", "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": "Come one, come all for a friendly tournament. 3 Rounds with bars are set to 1k and 10k. This tournament will start Monday July 14th.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 518400, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "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": true, "exclusivity": "open", "started": "2013-11-04T03:29:11.239440Z", "ended": "2014-07-08T05:29:02.850973Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 0, "ranked": true }, { "id": 2835, "name": "HKB Handicap Tournament 1st 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": "HKB Handicap Tournament 1st Cycle", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 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": 17885, "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": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2014-02-21T16:47:06.664708Z", "ended": "2014-06-02T09:00:07.032928Z", "start_waiting": "2014-02-21T16:44:45.430351Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true }, { "id": 2646, "name": "Second Tournament, faster this time.", "director": { "id": 27, "username": "Phelan", "country": "pt", "icon": "https://secure.gravatar.com/avatar/f7ae9c72785aceddcc5dda7fddc31df5?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1648.4432038755967, "deviation": 62.77420041373733, "volatility": 0.06017734799465297 } }, "ranking": 26.487960212491743, "professional": false, "ui_class": "" }, "description": "A second tournament, with faster time settings, and simultaneous games so it doesn't last as long as the last one.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": false, "group": { "id": 47, "name": "BGG WW", "summary": "A group for the BGG WW forum to play Go. Check the tournament tab for tournaments and ladder competitions.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 32, "icon": "https://user-uploads.online-go.com/32f5444e74e6c9db4a60b0cd1dbf8fe3-64.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": 36, "analysis_enabled": true, "exclusivity": "invite", "started": "2013-11-25T03:24:05.470213Z", "ended": "2013-12-10T18:00:58.986483Z", "start_waiting": "2013-11-25T03:24:04.512809Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/32f5444e74e6c9db4a60b0cd1dbf8fe3-15.png", "player_count": 0, "ranked": true }, { "id": 2628, "name": "Mahiraku's Fall/Winter Open", "director": { "id": 1198, "username": "Code Red", "country": "us", "icon": "https://secure.gravatar.com/avatar/4fa33b4fa301e444fb834c4345d6d836?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1129.6076371851884, "deviation": 67.62621129302899, "volatility": 0.05998333720091135 } }, "ranking": 17.738163501803946, "professional": false, "ui_class": "" }, "description": "A fun little tournament for November and possibly into December.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "aga", "time_per_move": 31, "time_control_parameters": { "time_control": "fischer", "initial_time": 120, "max_time": 300, "time_increment": 30 }, "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": 383, "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": true, "exclusivity": "open", "started": "2013-11-20T04:59:22.039103Z", "ended": "2013-11-20T05:41:36.998683Z", "start_waiting": "2013-11-18T16:54:41.470959Z", "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": 8622, "name": "Live 9x9 Double Elimination Tournament 2015-06-27 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260410T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-10T02:00:33.373047Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-04-10T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-06-27T10:30:36.559679Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-06-27T10:30:38.385378Z", "ended": "2015-06-27T11:26:27.180320Z", "start_waiting": "2015-06-27T10:30:38.250304Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true } ] }
