Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4277
{ "count": 60427, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4278", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4276", "results": [ { "id": 89757, "name": "9x9 Mini League 10k-25k #45", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1306.176402258318, "deviation": 71.10478623116208, "volatility": 0.060238298683302105 } }, "ranking": 21.10032466791975, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. 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": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "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": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2022-05-15T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-10T00:15:52.861989Z", "ended": "2022-06-27T14:49:28.460852Z", "start_waiting": "2022-05-10T00:15:52.690883Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 87893, "name": "Correspondence 19x19 RoundRobin 2022-03-29 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260729T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-07-29T19:00:23.080241Z", "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": "2026-08-01T19:00:00Z", "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": "2022-03-29T19:00:15.181819Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-03-29T19:00:16.597131Z", "ended": "2022-08-07T08:32:10.432993Z", "start_waiting": "2022-03-29T19:00:16.155155Z", "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": 113234, "name": "Giải 9x9 mở hẹp", "director": { "id": 1358858, "username": "piii7777", "country": "vn", "icon": "https://user-uploads.online-go.com/c98f52b964618fc2dfe8f264c6a5d804-64.png", "ratings": { "version": 5, "overall": { "rating": 1937.6831820311227, "deviation": 68.71146629116117, "volatility": 0.0599974874133445 } }, "ranking": 30.230428419776782, "professional": false, "ui_class": "" }, "description": "Anh e giao lưu bàn 9 ngủ cho ngon", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 180, "period_time": 20, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14084, "name": "Pi7 & Giải đấu thập cẩm", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://user-uploads.online-go.com/61859aabd2b29eaaa933e387f8c5a685-64.png" }, "auto_start_on_max": false, "time_start": "2024-02-25T16:20:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 20, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-20T13:44:23.245582Z", "ended": "2024-04-20T13:49:36.944990Z", "start_waiting": "2024-04-20T13:44:23.176905Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/61859aabd2b29eaaa933e387f8c5a685-15.png", "player_count": 4, "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": 18076, "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": 130465, "name": "Correspondence 13x13 RoundRobin 2025-07-15 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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260727T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-07-27T19:00:54.773660Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": "2026-07-30T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2025-07-15T19:01:03.393879Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-15T19:01:55.149044Z", "ended": "2025-08-28T21:31:47.226932Z", "start_waiting": "2025-07-15T19:01:55.005423Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 99765, "name": "qezfsdhfdlqf", "director": { "id": 858016, "username": "mikov", "country": "fr", "icon": "https://secure.gravatar.com/avatar/b52ac13340fda78233fe77f47c581d7b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1338.3398582275718, "deviation": 61.82982025871437, "volatility": 0.05997129831179913 } }, "ranking": 21.66346790401059, "professional": false, "ui_class": "" }, "description": "qfqfqfqsdférzazgdgg", "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": 12724, "name": "bing chillin'", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-02-05T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2023-02-05T20:57:32.439961Z", "ended": "2023-03-02T05:21:47.872507Z", "start_waiting": "2023-02-05T20:57:32.265571Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 80804, "name": "University of York Go Society Autumn Tournament 2021", "director": { "id": 473584, "username": "dragon-devourer", "country": "gb", "icon": "https://user-uploads.online-go.com/74572977eae9c3090abc484d1ab4e5bc-64.png", "ratings": { "version": 5, "overall": { "rating": 1349.7225435432645, "deviation": 62.089748100883774, "volatility": 0.06000165715314395 } }, "ranking": 21.859527891247943, "professional": false, "ui_class": "" }, "description": "It's the start of a new academic year. Sounds to me like a good excuse for a Go tournament! The tournament will start 30 minutes after the first club session after Freshers Fair so new members have time to join. If the tournament gets full, I will make another.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1814, "name": "University of York Go Society", "summary": "University of York (UK) Go Society", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 30, "icon": "https://user-uploads.online-go.com/acf03417e40cfdfd51fc47278d423a4c-64.png" }, "auto_start_on_max": true, "time_start": "2021-10-05T15:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 13, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-10-05T15:30:58.108049Z", "ended": "2022-04-25T12:38:56.297435Z", "start_waiting": "2021-10-05T15:30:57.644861Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/acf03417e40cfdfd51fc47278d423a4c-15.png", "player_count": 6, "ranked": true }, { "id": 87876, "name": "Noob Fan Tournament", "director": { "id": 1108239, "username": "Aidenkung", "country": "un", "icon": "https://secure.gravatar.com/avatar/1513c3b551cde664eddfa4e1506457b0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 880.0882577694921, "deviation": 68.00516986481884, "volatility": 0.06003114086134868 } }, "ranking": 11.959844043660391, "professional": false, "ui_class": "" }, "description": "…….Noob Fans join pls", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": 6332, "name": "noob_bot", "summary": "Play with bots", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 886, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png" }, "auto_start_on_max": true, "time_start": "2022-04-05T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-26T12:34:45.140157Z", "ended": "2022-07-21T05:02:11.356141Z", "start_waiting": "2022-04-26T12:34:45.016534Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 4, "ranked": true }, { "id": 96437, "name": "2 -> 郭在田 3 -> 謝汶熹", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "2 -> 郭在田 3 -> 謝汶熹", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "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": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-11-05T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-11-05T08:30:31.344242Z", "ended": "2022-11-05T09:10:14.483950Z", "start_waiting": "2022-11-05T08:30:31.288812Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 107949, "name": "Ппппп", "director": { "id": 1120150, "username": "Damir777", "country": "un", "icon": "https://secure.gravatar.com/avatar/27e23e08844de5acf7b9bca15af5398f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 903.1154097312439, "deviation": 72.7203719314542, "volatility": 0.05998821474935358 } }, "ranking": 12.557765875862481, "professional": false, "ui_class": "" }, "description": "Мама\nЫвцуцц", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": true, "group": { "id": 12462, "name": "Festival", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-09-28T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-04T22:23:45.962910Z", "ended": "2026-02-13T09:22:02.475191Z", "start_waiting": "2026-02-04T22:23:45.812213Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
