Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4372
{ "count": 59200, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4373", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4371", "results": [ { "id": 64801, "name": "Online session wk3", "director": { "id": 740650, "username": "NTU_A2_Yinjie", "country": "cn", "icon": "https://secure.gravatar.com/avatar/32673ba532ce8cb16892bcf703e9a202?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1586.8680548340928, "deviation": 98.41982628042037, "volatility": 0.05999967441874643 } }, "ranking": 25.606662101205064, "professional": false, "ui_class": "" }, "description": "Online session wk3", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 40, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4597, "name": "NTU Weiqi", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 37, "icon": "https://user-uploads.online-go.com/35cd4a5df990f4963212563cefcde97b-64.png" }, "auto_start_on_max": false, "time_start": "2020-08-28T11:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-28T11:00:54.644693Z", "ended": "2020-08-28T12:36:41.025548Z", "start_waiting": "2020-08-28T11:00:54.496064Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/35cd4a5df990f4963212563cefcde97b-15.png", "player_count": 7, "ranked": true }, { "id": 59928, "name": "19 times 19 tournament", "director": { "id": 720484, "username": "JtaoOMG", "country": "cn", "icon": "https://user-uploads.online-go.com/b79de628ffd7e4fe1a54a7c2b38163e5-64.png", "ratings": { "version": 5, "overall": { "rating": 1866.3720336200906, "deviation": 64.63461166642907, "volatility": 0.06005553853146774 } }, "ranking": 29.36238292017167, "professional": false, "ui_class": "" }, "description": "19 times 19 tournament", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 30, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 60, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4456, "name": "Our Go House", "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 159, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-01T15:10:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 27, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-01T15:10:27.509209Z", "ended": "2020-05-01T15:10:27.732479Z", "start_waiting": "2020-05-01T15:10:27.137665Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png", "player_count": 1, "ranked": true }, { "id": 62284, "name": "2020年6月中班搶分賽（15-18級組）", "director": { "id": 755983, "username": "袁老師", "country": "un", "icon": "https://secure.gravatar.com/avatar/fe0808b21c82c7a9cb7addf61c922ef6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1625.628468273391, "deviation": 112.15342538501214, "volatility": 0.06001071925002786 } }, "ranking": 26.16532238960867, "professional": false, "ui_class": "" }, "description": "15k\t羅弘治\n15k\t張恩立\n16k\t吳愷庭\n16k\t曹梓翎\n16k\tTangKwanHo\n18k\t林奕初", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "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": 5110, "name": "香港兒童棋院", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/d6eb3e6028ad3f005423be2afc2e5d0e-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-24T07:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2020-06-24T07:30:25.567490Z", "ended": "2020-06-24T09:00:59.045418Z", "start_waiting": "2020-06-24T07:30:25.063010Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d6eb3e6028ad3f005423be2afc2e5d0e-15.png", "player_count": 6, "ranked": true }, { "id": 62419, "name": "Тренировка", "director": { "id": 802894, "username": "novakovich", "country": "un", "icon": "https://secure.gravatar.com/avatar/89708a35bb8266c78d5b9bb45ff7264e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1662.3108939062977, "deviation": 290.31896371798047, "volatility": 0.05999967537233814 } }, "ranking": 26.681897238489267, "professional": false, "ui_class": "provisional" }, "description": "Это турнир для тренировки великолепных участников Летнего Лагеря Школы Программистов!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 30, "max_time": 45 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6146, "name": "ИК 26-27.06.2020", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-06-26T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-06-26T09:28:10.637221Z", "ended": "2020-06-26T10:12:11.141037Z", "start_waiting": "2020-06-26T09:28:10.405530Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 17, "ranked": true }, { "id": 62518, "name": "Blitz 19x19 Elimination Tournament 2020-06-28 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:20260402T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-02T05:00:14.436794Z", "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": "2026-04-02T09:00:00Z", "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": "2020-06-28T21:30:45.118705Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-06-28T21:30:46.658207Z", "ended": "2020-06-28T21:51:19.014277Z", "start_waiting": "2020-06-28T21:30:46.403340Z", "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": 59781, "name": "Handi tournament", "director": { "id": 380817, "username": "look info döskee", "country": "zz", "icon": "https://user-uploads.online-go.com/9b2153c750a7384cdad630699b7e138d-64.png", "ratings": { "version": 5, "overall": { "rating": 1001.1282744304297, "deviation": 68.63680878166396, "volatility": 0.058646562422007574 } }, "ranking": 14.942969758566955, "professional": false, "ui_class": "" }, "description": "Tournament with handicap\nChinese rules", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "chinese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2969, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-01T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-01T16:00:30.479077Z", "ended": "2020-11-03T09:22:53.928790Z", "start_waiting": "2020-05-01T16:00:29.266281Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 14, "ranked": true }, { "id": 58417, "name": "2020 - Lviv Spring Quarantine Tournament - Golden league", "director": { "id": 427977, "username": "OleksandrPshenychnyy", "country": "ua", "icon": "https://user-uploads.online-go.com/d549d0e6e73d804c76aa49a720165e9a-64.png", "ratings": { "version": 5, "overall": { "rating": 1611.6059716974244, "deviation": 60.737141052666004, "volatility": 0.05995456713230847 } }, "ranking": 25.964766741222228, "professional": false, "ui_class": "supporter" }, "description": "2020 - Lviv Spring Quarantine Tournament - Golden league", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 28800, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": false, "main_time": 0, "period_time": 604800, "stones_per_period": 21 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1460, "name": "Lviv Club", "summary": "Lviv Go Players Group", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 28, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-11T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-04-11T13:00:07.666905Z", "ended": "2020-06-23T09:06:06.929093Z", "start_waiting": "2020-04-11T13:00:06.041988Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 60814, "name": "Fast Correspondence Mini-Tournament (20k-17k)", "director": { "id": 597921, "username": "CitrusRootWeevil", "country": "us", "icon": "https://user-uploads.online-go.com/9f0d55a036f99b11f4bf001bd22dee66-64.png", "ratings": { "version": 5, "overall": { "rating": 1313.1569238642383, "deviation": 61.308386069594796, "volatility": 0.059719155310874364 } }, "ranking": 21.223714429839603, "professional": false, "ui_class": "supporter" }, "description": "Two moves per day keeps the timeout away. Games do not pause on weekends.\n\nPlease avoid delaying your games; plan not to take vacation until your tournament participation is finished.\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": 45120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "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": 820, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-27T14:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 13, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-27T14:00:44.088278Z", "ended": "2020-09-07T13:21:29.981970Z", "start_waiting": "2020-05-27T14:00:43.019129Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 5, "ranked": true }, { "id": 59916, "name": "Blitz 19x19 Elimination Tournament 2020-05-01 09:30", "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:20260402T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-02T05:00:14.436794Z", "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": "2026-04-02T09:00:00Z", "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": "2020-05-01T09:30:12.466456Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-01T09:30:14.463875Z", "ended": "2020-05-01T10:03:57.170427Z", "start_waiting": "2020-05-01T09:30:13.663580Z", "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": 61350, "name": "Blitz 19x19 Elimination Tournament 2020-06-01 13:30", "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:20260402T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-02T05:00:14.436794Z", "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": "2026-04-02T09:00:00Z", "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": "2020-06-01T13:30:32.018703Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-06-01T13:31:32.211162Z", "ended": "2020-06-01T14:18:51.803832Z", "start_waiting": "2020-06-01T13:31:31.693607Z", "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 } ] }
