Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=4672
{ "count": 59251, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4673", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4671", "results": [ { "id": 71900, "name": "Fast Correspondence 2021-03-06", "director": { "id": 784, "username": "mlopezviedma", "country": "ar", "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png", "ratings": { "version": 5, "overall": { "rating": 1556.6638300543866, "deviation": 62.34834978287352, "volatility": 0.059733787748937804 } }, "ranking": 25.161780771408637, "professional": false, "ui_class": "supporter moderator" }, "description": "Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 28800, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 819, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-06T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-06T00:00:22.285399Z", "ended": "2021-04-25T05:30:30.962805Z", "start_waiting": "2021-03-06T00:00:20.821742Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 73497, "name": "Live 19x19 Swiss Tournament 2021-04-05 16:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260406T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-06T08:00:17.657654Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-04-06T12:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-04-05T16:30:28.653812Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-05T16:30:30.022215Z", "ended": "2021-04-05T18:29:48.141162Z", "start_waiting": "2021-04-05T16:30:29.526097Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 84859, "name": "Blitz 19x19 Elimination Tournament 2022-01-14 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260406T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-06T05:00:17.663741Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-04-06T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-01-14T21:30:25.052747Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-01-14T21:30:26.226063Z", "ended": "2022-01-14T21:56:04.538014Z", "start_waiting": "2022-01-14T21:30:26.144504Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 75140, "name": "A fast tournament for barely SDKs", "director": { "id": 886972, "username": "Babbo Bruno", "country": "us", "icon": "https://user-uploads.online-go.com/3a86884a3c89d9e4d9b53b217b0675cf-64.png", "ratings": { "version": 5, "overall": { "rating": 1044.8015988802445, "deviation": 65.17373548663942, "volatility": 0.059798308972426856 } }, "ranking": 15.931460207715245, "professional": false, "ui_class": "supporter" }, "description": "Requires four moves per day.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 24480, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 21600, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 819, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2021-05-16T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 23, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-16T12:00:44.804851Z", "ended": "2021-06-10T14:06:05.352547Z", "start_waiting": "2021-05-16T12:00:44.545597Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 5, "ranked": true }, { "id": 76060, "name": "ทดสอบ2", "director": { "id": 564908, "username": "Sarawoot Kanya", "country": "th", "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.3733342620876, "deviation": 65.87288697611051, "volatility": 0.06068751158219223 } }, "ranking": 23.170679540751433, "professional": false, "ui_class": "" }, "description": "ทดสอบ", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4793, "name": "Angel WFH", "summary": "การเล่นหมากล้อมออนไลน์สำหรับทีมพิธีการ และทีมหมากล้อม", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 38, "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-64.png" }, "auto_start_on_max": true, "time_start": "2021-06-08T07:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-06-08T06:32:56.533916Z", "ended": "2021-06-08T06:36:59.379895Z", "start_waiting": "2021-06-08T06:32:56.469832Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/239e27d5dffdd0da2b53b35983f614e3-15.png", "player_count": 2, "ranked": true }, { "id": 72636, "name": "19X19 live Swiss tournament", "director": { "id": 940672, "username": "Yui_Chit", "country": "hk", "icon": "https://user-uploads.online-go.com/64c6a9c7efc232fff77bcfc11a09a4c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1091.535465738471, "deviation": 61.19698695403642, "volatility": 0.06013484949468346 } }, "ranking": 16.944466688032787, "professional": false, "ui_class": "" }, "description": "1. Please don’t cheat. Cheaters will be forfeit.\n2.You must follow the rules below: \nYou can’t log out \nYou can’t doing more than three games together.\n\n\nHappy matching!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 60, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1780, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-09T03:55:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 12, "max_ranking": 27, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-09T03:55:05.270788Z", "ended": "2021-04-09T04:03:03.863161Z", "start_waiting": "2021-04-09T03:55:03.358439Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 9, "ranked": true }, { "id": 74373, "name": "4月 第一輪 莫霆軒 對 許澤延", "director": { "id": 928963, "username": "傳碁學園-歷碁賽", "country": "hk", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "4月 第一輪 莫霆軒 對 許澤延", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1500 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8175, "name": "歷碁賽 A組", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-04-25T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-04-25T08:01:30.274215Z", "ended": "2021-04-25T08:32:48.308065Z", "start_waiting": "2021-04-25T08:01:30.194085Z", "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": 70879, "name": "OGSVN quý II 2021", "director": { "id": 281554, "username": "trung5000", "country": "_DOOP", "icon": "https://user-uploads.online-go.com/bbd482f273f613d97a246c2d297b822c-64.png", "ratings": { "version": 5, "overall": { "rating": 1782.5119955608272, "deviation": 63.412551245829505, "volatility": 0.059922026750341334 } }, "ranking": 28.298111336831482, "professional": false, "ui_class": "" }, "description": "Giải tổ chức hàng quý, dành cho tất cả người chơi cờ vây Việt nam, yêu cầu rank chuẩn trước khi tham gia để xếp bảng thi đấu vừa sức. Khuyến khích các kỳ thủ hẹn thời gian thi đấu qua discord hoặc FB. Giới hạn thời gian hoàn thành mỗi vòng là 2 tuần (absolute 7 ngày mỗi bên). Link discord: Group facebook:", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 6720, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 7685, "name": "24HGO_OGS", "summary": "<audio src=\"/music/good_enough.mp3\" controls>\t\n<p>Fallback content goes here.</p>\n</audio>", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 86, "icon": "https://user-uploads.online-go.com/605421e94b90e6e3b22ec09b80180283-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-02T22:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-03-02T22:00:03.347203Z", "ended": "2021-04-28T12:54:09.812776Z", "start_waiting": "2021-03-02T22:00:00.751405Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/605421e94b90e6e3b22ec09b80180283-15.png", "player_count": 16, "ranked": true }, { "id": 73903, "name": "Blitz 19x19 Elimination Tournament 2021-04-14 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260406T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-06T05:00:17.663741Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-04-06T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-04-14T21:30:54.666233Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-14T21:30:56.196444Z", "ended": "2021-04-14T22:07:09.862134Z", "start_waiting": "2021-04-14T21:30:56.045475Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true }, { "id": 81500, "name": "Very Fast Correspondance for 9k-13k", "director": { "id": 1015821, "username": "TimSeok", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/23efcd90e76c1f96a3d8996eb59f5435-64.png", "ratings": { "version": 5, "overall": { "rating": 1259.3025719788288, "deviation": 65.34198554152275, "volatility": 0.06001920515924672 } }, "ranking": 20.254283866004037, "professional": false, "ui_class": "" }, "description": "Very Fast Correspondance for 9k-13k.\n\nUse the conditionnal move feature to speed up the game.\n\nPlease, avoid delaying your games using the vacation feature.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 28800, "initial_time": 259200, "max_time": 345600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 819, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": true, "time_start": "2021-10-25T09:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 17, "max_ranking": 21, "analysis_enabled": true, "exclusivity": "group", "started": "2021-10-21T20:56:05.475142Z", "ended": "2021-11-14T03:10:22.496160Z", "start_waiting": "2021-10-21T20:56:05.252888Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 5, "ranked": true } ] }
