Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=3321
{ "count": 59678, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=3322", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-auto_start_on_max&page=3320", "results": [ { "id": 83045, "name": "PSWJ League Round 2", "director": { "id": 656422, "username": "yc_tan", "country": "un", "icon": "https://secure.gravatar.com/avatar/f668362b9c2ca8801a69bc9fde736736?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1805.772278545794, "deviation": 172.489536918797, "volatility": 0.059993868261897614 } }, "ranking": 28.59824535766695, "professional": false, "ui_class": "provisional" }, "description": "League games for PSWJ members", "schedule": null, "title": null, "tournament_type": "opengotha", "handicap": 0, "rules": "japanese", "time_per_move": 50, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3794, "name": "WeiqiJB", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 80, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-11-28T08:30:00Z", "players_start": 4, "first_pairing_method": "opengotha", "subsequent_pairing_method": "opengotha", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2021-11-28T08:39:20.527883Z", "ended": null, "start_waiting": "2021-11-28T08:39:20.505131Z", "board_size": 19, "active_round": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 81102, "name": "3ª ETAPA - PROFESSORES e EX ALUNOS", "director": { "id": 805908, "username": "marcosrczr", "country": "br", "icon": "https://secure.gravatar.com/avatar/6b2772f241c4e75eb7373fa32b3283b9?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 917.6243027324846, "deviation": 66.44761086575319, "volatility": 0.06001801279592092 } }, "ranking": 12.926723591689818, "professional": false, "ui_class": "" }, "description": "TORNEIO DESTINADO AOS EDUCADORES DA REDE MUNICIPAL DE ENSINO DE SÃO PAULO.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6411, "name": "CIRCUITO ONLINE SME-SP", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 479, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png" }, "auto_start_on_max": false, "time_start": "2021-10-27T22:35:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-10-27T22:35:26.529405Z", "ended": "2021-10-27T23:38:21.228303Z", "start_waiting": "2021-10-27T22:35:26.387533Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png", "player_count": 8, "ranked": true }, { "id": 82382, "name": "Friendly 9*9 - 10", "director": { "id": 743533, "username": "ss76", "country": "ru", "icon": "https://secure.gravatar.com/avatar/13929beaec2a082c41c26666dd917e5a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 865.69965614538, "deviation": 63.39878919317945, "volatility": 0.06003400172803372 } }, "ranking": 11.578235639193064, "professional": false, "ui_class": "" }, "description": "play GO", "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": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "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": 17966, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2021-11-15T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 19, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-15T12:59:29.230397Z", "ended": "2021-12-28T11:49:07.293204Z", "start_waiting": "2021-11-15T12:59:28.078384Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 10, "ranked": true }, { "id": 107916, "name": "Honneur a HisokaH", "director": { "id": 1409180, "username": "deleted-59daa536-5cf5-4f74-abc9-18352789d8a6", "country": "be", "icon": "https://secure.gravatar.com/avatar/a174b5e1e0864ecd881301db24b1ff2d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 766.675370480976, "deviation": 70.48953321029607, "volatility": 0.06002959976861402 } }, "ranking": 8.766099458578926, "professional": false, "ui_class": "" }, "description": "on s'amuse !", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 91871, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 691200, "max_time": 691200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1355, "name": "FulguroGo", "summary": "Apprendre le Go pour joueurs débutants et confirmés.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 930, "icon": 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"tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2023-05-26T22:30:57.655920Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-05-26T22:31:58.165666Z", "ended": "2023-05-26T23:15:57.370476Z", "start_waiting": "2023-05-26T22:31:57.977797Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 128583, "name": "Correspondence 13x13 RoundRobin 2025-05-19 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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260516T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-16T19:00:50.176550Z", "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": "2026-05-19T19:00:00Z", "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": "2025-05-19T19:00:29.481068Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-19T19:00:29.752546Z", "ended": "2025-06-17T21:59:55.277544Z", "start_waiting": "2025-05-19T19:00:29.621441Z", "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": 123204, "name": "Live 9x9 Double Elimination Tournament 2024-12-13 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260518T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-18T10:00:14.591371Z", "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": "2026-05-18T14:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2024-12-13T14:30:53.746996Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-12-13T14:31:53.842747Z", "ended": "2024-12-13T15:16:40.604532Z", "start_waiting": "2024-12-13T14:31:53.748117Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 85457, "name": "5th 9x9 Beginners Knockout Tournament", "director": { "id": 750750, "username": "begingo1000", "country": "ez", "icon": "https://secure.gravatar.com/avatar/d705f1ba732fe17b3a05d20723059c83?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1317.1885810619165, "deviation": 64.49012040956917, "volatility": 0.06003208049018038 } }, "ranking": 21.294680724602816, "professional": false, "ui_class": "" }, "description": "This is the 5th edition of the Beginners 9x9 Knockout Tournament! 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