Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1280
{ "count": 59613, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1281", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1279", "results": [ { "id": 112587, "name": "9x9 Mini League 5k-15k #67", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1257.5002115132957, "deviation": 70.5314527460033, "volatility": 0.060215261717849605 } }, "ranking": 20.22112699556229, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 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": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-02-11T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-11T15:00:03.560142Z", "ended": "2024-03-09T18:34:23.846375Z", "start_waiting": "2024-02-11T15:00:03.279883Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 111076, "name": "9x9 Mini League 5k-15k #58", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1257.5002115132957, "deviation": 70.5314527460033, "volatility": 0.060215261717849605 } }, "ranking": 20.22112699556229, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 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": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-12-31T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2023-12-31T02:33:32.475735Z", "ended": "2024-01-31T08:32:52.472433Z", "start_waiting": "2023-12-31T02:33:32.256369Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 110899, "name": "Smaller Go on the Table", "director": { "id": 1465095, "username": "HistoryTable", "country": "us", "icon": "https://secure.gravatar.com/avatar/1a99de3efdbc0c5a27ae1b3a237ea332?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 860.5027560763854, "deviation": 60.333756603779456, "volatility": 0.05986380850369648 } }, "ranking": 11.438844569841677, "professional": false, "ui_class": "" }, "description": "Smaller go on the table, take 3", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13887, "name": "Go on the Table", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/47fba8e6110be66b3dd5802f35a82ddb-64.png" }, "auto_start_on_max": false, "time_start": "2024-01-01T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-01T14:51:35.949261Z", "ended": "2024-03-26T17:20:08.151588Z", "start_waiting": "2024-01-01T14:51:35.781715Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/47fba8e6110be66b3dd5802f35a82ddb-15.png", "player_count": 6, "ranked": true }, { "id": 104635, "name": "2024 Tara! Cup", "director": { "id": 753236, "username": "totesuru", "country": "ph", "icon": "https://user-uploads.online-go.com/210744714a0baefd001f5eef4084dc84-64.png", "ratings": { "version": 5, "overall": { "rating": 1487.7479916401726, "deviation": 62.878382806141644, "volatility": 0.05991274501706562 } }, "ranking": 24.113516380733298, "professional": false, "ui_class": "" }, "description": "Mabuhay!\n\nYes, it’s smaller board but hey, it’s a good transition from elementary 9x9 to the ethereal 19x19.\n\nTara! in Tagalog is translated to “Let’s go!” and commonly used to invite friends to go to a place or do something. May this challenge bring you all to SDK.\n\nFeel free to ask me for a review of your finished games from this tourney. Tara!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 309, "name": "Filipino Go Group", "summary": "Go Group for Filipinos", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 94, "icon": "https://user-uploads.online-go.com/d85657374f9a7c3118ee143d11e0598b-64.png" }, "auto_start_on_max": false, "time_start": "2023-11-11T03:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 19, "analysis_enabled": true, "exclusivity": "open", "started": "2023-11-11T03:00:30.790173Z", "ended": "2024-04-13T16:49:58.521144Z", "start_waiting": "2023-11-11T03:00:30.036911Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/d85657374f9a7c3118ee143d11e0598b-15.png", "player_count": 17, "ranked": true }, { "id": 111131, "name": "Correspondence 9x9 RoundRobin 2023-12-30 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 Sitewide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260511T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-11T19:00:49.671914Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "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": "2026-05-14T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": "2023-12-30T19:00:05.163341Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-12-30T19:01:05.215036Z", "ended": "2024-02-16T07:35:30.845768Z", "start_waiting": "2023-12-30T19:01:05.005971Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 105404, "name": "“中国🇨🇳 无敌”杯", "director": { "id": 1195249, "username": "想升业6", "country": "un", "icon": "https://secure.gravatar.com/avatar/1a80f367b23667a93f80ed965cc59747?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1338.645319102846, "deviation": 183.26872499672078, "volatility": 0.059998077507821566 } }, "ranking": 21.66875102575006, "professional": false, "ui_class": "provisional" }, "description": "为了庆祝祖国繁荣昌盛", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 605484, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 604800, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13407, "name": "弹雨星围棋社团", "summary": "我希望大家在弹雨星围棋社团能够和睦相处，互相学习 弹雨星围棋社团欢迎您", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/9ffd1fbab363570d18051ddcbe546e6e-64.png" }, "auto_start_on_max": false, "time_start": "2023-07-22T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-22T05:59:43.732676Z", "ended": "2023-12-31T00:18:45.165150Z", "start_waiting": "2023-07-22T05:59:43.110631Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9ffd1fbab363570d18051ddcbe546e6e-15.png", "player_count": 10, "ranked": true }, { "id": 116424, "name": "Handicap Arena 2024 - 042", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1544.0411350092925, "deviation": 65.89318354708564, "volatility": 0.05973650294622369 } }, "ranking": 24.973296534545497, "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 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": 107, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2024-05-27T10:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-27T05:45:41.809354Z", "ended": "2024-07-28T16:07:15.206444Z", "start_waiting": "2024-05-27T05:45:41.624332Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 113792, "name": "Correspondence 13x13 RoundRobin 2024-03-13 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:20260510T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-10T19:00:49.863592Z", "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": "2026-05-13T19:00:00Z", "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": "2024-03-13T19:00:34.063478Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-13T19:00:35.160502Z", "ended": "2024-05-21T11:26:29.082344Z", "start_waiting": "2024-03-13T19:00:34.300048Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 109558, "name": "Go friendly match", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Go friendly match", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 100760, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 1814400, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 359, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": false, "time_start": "2024-01-01T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-01T11:00:05.517307Z", "ended": "2024-02-25T12:27:25.716699Z", "start_waiting": "2024-01-01T11:00:05.346643Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 6, "ranked": true }, { "id": 114015, "name": "California spangled Cat tournament #5", "director": { "id": 1518938, "username": "KittyWise", "country": "us", "icon": "https://user-uploads.online-go.com/dfb96e8660fdc662a5bd238eef23578c-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Let's playing around now", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 24648, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 21600, "initial_time": 86400, "max_time": 129600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14076, "name": "KittyWise", "summary": "----------------------------------------------------------------------------------------------------------------------", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 59, "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png" }, "auto_start_on_max": false, "time_start": "2024-03-21T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-21T03:00:36.459504Z", "ended": "2024-04-23T10:57:03.309730Z", "start_waiting": "2024-03-21T03:00:36.309843Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png", "player_count": 9, "ranked": true } ] }
