Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4629
{ "count": 60237, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4630", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4628", "results": [ { "id": 10105, "name": "Correspondence 19x19 RoundRobin 2015-08-21 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260711T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-07-11T19:00:19.513953Z", "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": "2026-07-14T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-08-21T01:00:44.464822Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-21T01:01:04.258296Z", "ended": "2016-01-04T00:00:41.645102Z", "start_waiting": "2015-08-21T01:01:03.429142Z", "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": 116496, "name": "Handicap Arena 2024 - 043", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1544.5224066347039, "deviation": 65.89097959466096, "volatility": 0.05973497645064441 } }, "ranking": 24.980511175311808, "professional": false, "ui_class": "" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 10 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2024-06-01T10:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-30T14:42:18.917887Z", "ended": "2024-10-15T14:48:50.520186Z", "start_waiting": "2024-05-30T14:42:18.310980Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 97958, "name": "簡頌賢 李SIR", "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": "簡頌賢 李SIR", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "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": false, "group": { "id": 7533, "name": "傳碁 A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-12-17T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-12-17T10:02:04.121657Z", "ended": "2022-12-17T10:34:23.535973Z", "start_waiting": "2022-12-17T10:02:03.953293Z", "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": 19736, "name": "zweiter versuch", "director": { "id": 1039, "username": "joachim", "country": "de", "icon": "https://user-uploads.online-go.com/cb60432b91d79a1055a51afbe4f22dce-64.png", "ratings": { "version": 5, "overall": { "rating": 1739.6075014919213, "deviation": 67.1095585299591, "volatility": 0.06066315546557682 } }, "ranking": 27.734082676818286, "professional": false, "ui_class": "supporter" }, "description": "Gruppenturnier", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 18, "time_control_parameters": { "time_control": "fischer", "initial_time": 300, "max_time": 600, "time_increment": 15 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1240, "name": "Braunschweig-Go", "summary": "Go in Braunschweig", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 57, "icon": "https://user-uploads.online-go.com/3ee5151405dee7fcd7890745353b9b41-64.png" }, "auto_start_on_max": false, "time_start": "2016-08-10T17:49:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-08-11T12:57:37.278108Z", "ended": "2016-08-11T12:57:37.253843Z", "start_waiting": "2016-08-11T12:57:37.155175Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/3ee5151405dee7fcd7890745353b9b41-15.png", "player_count": 6, "ranked": true }, { "id": 129440, "name": "Handicap Arena 2025 - 048", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1068.155982469972, "deviation": 65.03185027742708, "volatility": 0.06006504827640836 } }, "ranking": 16.443231956706825, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-06-17T08:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-16T17:06:17.531322Z", "ended": "2025-08-26T20:46:56.165353Z", "start_waiting": "2025-06-16T17:06:17.380924Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 8077, "name": "Reddit Round Robin #20 - Handicap - 15k-6k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1196.2987727586165, "deviation": 63.68337216240826, "volatility": 0.059575576888631535 } }, "ranking": 19.066095784178977, "professional": false, "ui_class": "" }, "description": "Round Robin, Handicap, Correspondence, 15k-6k", "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": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2286, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": true, "time_start": "2015-06-22T15:22:00Z", "players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2015-06-10T13:04:47.154163Z", "ended": "2015-10-17T06:03:11.243628Z", "start_waiting": "2015-06-10T13:04:45.843567Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 10, "ranked": true }, { "id": 95797, "name": "Турнир чата игроков в Го 29.10.2022 А", "director": { "id": 803169, "username": "Tg45", "country": "ru", "icon": "https://user-uploads.online-go.com/d861f559b9c8e292905d8730862d1569-64.png", "ratings": { "version": 5, "overall": { "rating": 1464.1727332904243, "deviation": 60.908872338222814, "volatility": 0.0600216208116762 } }, "ranking": 23.743737592196734, "professional": false, "ui_class": "supporter" }, "description": "Быстрая переписка, 1-7 кю.\nТолько для участников группы.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 18120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 16200, "initial_time": 172800, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11497, "name": "Чат игроков в Го (weiqi, baduk, igo)", "summary": "Мы — группа игроков из телеграмм чата «Чат для игроков в Го (weiqi, baduk, igo)». 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"max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-27T19:01:51.245200Z", "ended": "2023-09-07T19:26:45.950001Z", "start_waiting": "2023-07-27T19:01:50.717699Z", "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": 75558, "name": "Fight!", "director": { "id": 940672, "username": "Yui_Chit", "country": "hk", "icon": "https://user-uploads.online-go.com/64c6a9c7efc232fff77bcfc11a09a4c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1108.1637898048266, "deviation": 61.10645431605425, "volatility": 0.06013323646958137 } }, "ranking": 17.294471838835324, "professional": false, "ui_class": "" }, "description": "This is a race, try your best and you will get champion!", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. 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