Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-time_start&page=4297
{ "count": 59206, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=4298", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=4296", "results": [ { "id": 47530, "name": "DDK.NL Go Club - Full Moon Tournament #6", "director": { "id": 463810, "username": "SuzieKyu", "country": "nl", "icon": "https://user-uploads.online-go.com/62a582e29c917f3dfcb81bce64a13f7a-64.png", "ratings": { "version": 5, "overall": { "rating": 1171.4995125731932, "deviation": 63.025646037873635, "volatility": 0.06000597450469722 } }, "ranking": 18.5811525604583, "professional": false, "ui_class": "" }, "description": "Monthly Round Robin tournament", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 2979, "name": "Internatio.NL Go Club", "summary": "Virtuele DDK club voor Nederlandse spelers en hun vrienden", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 64, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-19T11:12:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-19T12:00:02.289495Z", "ended": "2019-07-01T13:37:59.587457Z", "start_waiting": "2019-04-19T12:00:01.422561Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png", "player_count": 5, "ranked": true }, { "id": 47482, "name": "190419练习赛（初级组）", "director": { "id": 619634, "username": "TheOGSnoob", "country": "_Starfleet", "icon": "https://user-uploads.online-go.com/a75075d258d505870dbc4cd63dc058b1-64.png", "ratings": { "version": 5, "overall": { "rating": 2146.0169966722465, "deviation": 79.44705415198482, "volatility": 0.059989259763153176 } }, "ranking": 32.59451894394109, "professional": false, "ui_class": "" }, "description": "练习赛，水平要求野狐6级以下\n\n如无特殊情况参加者不能用假期功能停止计时，大家要多运用预设条件下子功能。\n\n参加者下的棋我都会做简单的复盘，会在对局里摆出变化图\n\n另外若新比赛开始时，老比赛没有完成任何一局的成员，需要先至少完成一场老比赛才能报名新比赛", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 15360, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 86400, "max_time": 172800, "time_increment": 14400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 3435, "name": "高川格fans", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 24, "icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-19T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": true, "exclusivity": "group", "started": "2019-04-19T11:00:01.173111Z", "ended": "2019-05-04T01:52:35.101787Z", "start_waiting": "2019-04-19T11:00:00.716772Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/546c4135808e72b84c3db1665369905a-15.png", "player_count": 5, "ranked": true }, { "id": 47618, "name": "Live 9x9 Double Elimination Tournament 2019-04-19 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:20260402T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-02T18:00:15.076793Z", "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": "2026-04-02T22:00:00Z", "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": "2019-04-19T10:30:57.294827Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-04-19T10:30:59.453557Z", "ended": "2019-04-19T11:02:01.887014Z", "start_waiting": "2019-04-19T10:30:58.999574Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 47615, "name": "Blitz 13x13 Swiss Tournament 2019-04-19 07:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260402T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-02T15:00:14.846004Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "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": "2026-04-02T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-04-19T07:30:45.507670Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-04-19T07:30:48.095054Z", "ended": "2019-04-19T08:18:23.041578Z", "start_waiting": "2019-04-19T07:30:47.566590Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 47613, "name": "포뫛ㄹㄴㅋㅎㄹㄴ컼ㄴㄹ", "director": { "id": 558045, "username": "부엉이", "country": "un", "icon": "https://secure.gravatar.com/avatar/95ac9d1de1831f2780c46022f2bc7cff?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1411.982949913696, "deviation": 109.6345803922846, "volatility": 0.059996831171109676 } }, "ranking": 22.903500657942956, "professional": false, "ui_class": "" }, "description": "ㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇㅇ", "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": 17870, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-19T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-30T23:33:57.291384Z", "ended": "2019-07-30T06:54:57.561130Z", "start_waiting": "2019-04-30T23:33:57.034530Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 47614, "name": "ㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂ", "director": { "id": 558045, "username": "부엉이", "country": "un", "icon": "https://secure.gravatar.com/avatar/95ac9d1de1831f2780c46022f2bc7cff?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1411.982949913696, "deviation": 109.6345803922846, "volatility": 0.059996831171109676 } }, "ranking": 22.903500657942956, "professional": false, "ui_class": "" }, "description": "ㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂㅂ", "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": 17870, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-19T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-05-09T20:08:49.441849Z", "ended": "2019-06-05T11:54:19.135492Z", "start_waiting": "2019-05-09T20:08:48.715880Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 47601, "name": "Blitz 19x19 Elimination Tournament 2019-04-18 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:20260402T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-02T17:00:15.068896Z", "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": "2026-04-02T21:00:00Z", "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": "2019-04-18T21:30:10.551401Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-04-18T21:31:10.503592Z", "ended": "2019-04-18T21:45:50.082956Z", "start_waiting": "2019-04-18T21:31:09.544942Z", "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": 47507, "name": "9x9 Lovers Round Robin", "director": { "id": 620746, "username": "9x9 Lover num.3524", "country": "us", "icon": "https://secure.gravatar.com/avatar/a993c9c1a006353ba6912cf5a4d762f4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1600.5988747154418, "deviation": 66.79698692838825, "volatility": 0.059976129930831824 } }, "ranking": 25.80611229378819, "professional": false, "ui_class": "" }, "description": "Please ensure that your schedule and playing habits work with the time settings. \nYou will have one match (m) per player (n) involved in the tournament (m=n-1) so if there are 10 players, you will be playing 9 games at once.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "simple", "speed": "correspondence", "system": "simple", "pause_on_weekends": false, "per_move": 172800 }, "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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-18T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-18T21:00:10.479479Z", "ended": "2019-05-19T23:44:42.198632Z", "start_waiting": "2019-04-18T21:00:07.729831Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 10, "ranked": true }, { "id": 47565, "name": "Correspondence 13x13 RoundRobin 2019-04-18 19:00", "director": { "id": 4, "username": "matburt", "country": "us", 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