Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1513
{ "count": 60778, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1514", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1512", "results": [ { "id": 90865, "name": "Correspondence 9x9 RoundRobin 2022-06-05 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:20260821T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-21T19:00:17.332067Z", "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": "2026-08-24T19:00:00Z", "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": "2022-06-05T19:00:37.730735Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-05T19:00:38.994541Z", "ended": "2022-07-29T20:08:50.727645Z", "start_waiting": "2022-06-05T19:00:38.656652Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 119231, "name": "9x9 Mini League 5k-15k #94", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-08-25T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2024-08-24T06:29:53.997424Z", "ended": "2024-09-10T08:07:29.991613Z", "start_waiting": "2024-08-24T06:29:53.856268Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 45481, "name": "MGG 9x9 March 2019", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "Regular MGG tournament.", "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": 432000, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2702, "name": "Masters And Champions", "summary": "Your journey of knowledge from beginner to master will be fascinating with us!", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 34, "icon": "https://user-uploads.online-go.com/e6b8a636f6746575d2aa126a2b247efd-64.png" }, "auto_start_on_max": false, "time_start": "2019-03-10T23:00:00Z", "players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-03-10T23:00:32.341330Z", "ended": "2019-07-03T19:14:18.897661Z", "start_waiting": "2019-03-10T23:00:30.693470Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e6b8a636f6746575d2aa126a2b247efd-15.png", "player_count": 8, "ranked": true }, { "id": 102511, "name": "ooooooooo tůr", "director": { "id": 1342194, "username": "luc.kratka", "country": "cz", "icon": "https://user-uploads.online-go.com/0d074d87be37fc823c16958169649601-64.png", "ratings": { "version": 5, "overall": { "rating": 1064.338422305575, "deviation": 153.45763539686024, "volatility": 0.05999517216518903 } }, "ranking": 16.360346288152034, "professional": false, "ui_class": "" }, "description": "normální turnaj", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 15084, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 86400, "max_time": 2419200 }, "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": 18118, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2023-04-23T11:33:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 19, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-08T23:28:03.036756Z", "ended": "2024-09-01T23:17:53.346594Z", "start_waiting": "2024-05-08T23:28:02.904932Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 42871, "name": "II Warm up for 2020 tournament", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 864.0752257226206, "deviation": 66.69099234839376, "volatility": 0.05927716479341325 } }, "ranking": 11.534755327695938, "professional": false, "ui_class": "supporter" }, "description": "Strenghten up while 2020 tounament is coming!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 85, "name": "Isle of Skye", "summary": "If you've ever played, or are not 100% ruling out ever playing, in the tournament held every second year in the Isle of Skye, Scotland, then you qualfy for this group.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-64.png" }, "auto_start_on_max": true, "time_start": "2018-11-25T05:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-11-24T13:22:28.528672Z", "ended": "2019-04-23T06:41:52.875663Z", "start_waiting": "2018-11-24T13:22:23.870357Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6e667209a2e455c6e70d43f9e2d1b11f-15.png", "player_count": 10, "ranked": true }, { "id": 53731, "name": "9X9 for all", "director": { "id": 646878, "username": "Shikamaru4", "country": "gb", "icon": "https://user-uploads.online-go.com/4de7672cfb2c5d5d0a77668b7a721253-64.png", "ratings": { "version": 5, "overall": { "rating": 779.0027044554525, "deviation": 63.43343203946138, "volatility": 0.05993292089993528 } }, "ranking": 9.135366302661472, "professional": false, "ui_class": "supporter" }, "description": "9x9 for all", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "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": 4081, "name": "9X9 PLAYERS", "summary": "9X9 games", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/ab04e2d9619d69b9f635715fe6e1968f-64.png" }, "auto_start_on_max": true, "time_start": "2019-11-17T17:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-11-17T17:00:28.657401Z", "ended": "2020-02-22T02:12:27.787586Z", "start_waiting": "2019-11-17T17:00:27.151682Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ab04e2d9619d69b9f635715fe6e1968f-15.png", "player_count": 19, "ranked": true }, { "id": 119249, "name": "Peace Cup", "director": { "id": 1534002, "username": "151578zz", "country": "cn", "icon": "https://secure.gravatar.com/avatar/4d36afb6de35171f573ae7c51d63d8a2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1917.3519718807736, "deviation": 91.51030929233008, "volatility": 0.05999036747239672 } }, "ranking": 29.98624290133618, "professional": false, "ui_class": "" }, "description": "Welcome everyone from all of the world participating in this fabulous match!", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13675, "name": "Sunday GO and MORE", "summary": "You can't miss this group, join now!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 114, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png" }, "auto_start_on_max": false, "time_start": "2024-09-01T12:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-09-01T12:30:34.827617Z", "ended": "2024-09-01T13:51:29.757603Z", "start_waiting": "2024-09-01T12:30:34.723294Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png", "player_count": 6, "ranked": true }, { "id": 49989, "name": "Correspondence 19x19 RoundRobin 2019-07-07 19:01", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260822T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-22T19:00:24.597297Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-08-25T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-07-07T19:01:01.942281Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-07-07T19:01:19.313538Z", "ended": "2019-11-19T06:23:48.872225Z", "start_waiting": "2019-07-07T19:01:12.101785Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 43794, "name": "beginners luck", "director": { "id": 599282, "username": "louise emma lucy", "country": "gb", "icon": "https://user-uploads.online-go.com/c29b03544b2f60d36b7948ed93a4519f-64.png", "ratings": { "version": 5, "overall": { "rating": 941.538387870406, "deviation": 137.91629820183525, "volatility": 0.06000570343141834 } }, "ranking": 13.522305257397207, "professional": false, "ui_class": "" }, "description": "play and learn", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "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": 18118, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-12-19T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-12-19T09:23:08.816231Z", "ended": "2019-05-27T22:55:20.412769Z", "start_waiting": "2018-12-19T09:23:07.934866Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 12278, "name": "Correspondence tournaments are just great", "director": { "id": 127989, "username": "Harkle", "country": "dk", "icon": "https://user-uploads.online-go.com/be5f8d486ca5582f4acb6e652d193c9d-64.png", "ratings": { "version": 5, "overall": { "rating": 1780.0705587377086, "deviation": 100.28878407415387, "volatility": 0.060008500085856994 } }, "ranking": 28.26638195487803, "professional": false, "ui_class": "" }, "description": "I hate these restrictions and want OGS to burn. Let's play some go", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 806, "name": "EgbFailBus", "summary": "We are to lose", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/9a7fefc75750e451799e8b90d004f462-64.png" }, "auto_start_on_max": false, "time_start": "2015-11-08T19:10:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2015-11-08T19:10:12.947829Z", "ended": "2015-11-22T14:53:19.577405Z", "start_waiting": "2015-11-08T19:10:12.800440Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9a7fefc75750e451799e8b90d004f462-15.png", "player_count": 7, "ranked": true } ] }
