Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=4626
{ "count": 59293, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=4627", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=4625", "results": [ { "id": 15633, "name": "Correspondence 19x19 RoundRobin 2016-03-12 01:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260409T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-09T19:00:34.669370Z", 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"time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-12-15T01:00:50.105772Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-12-15T01:01:09.960062Z", "ended": "2016-01-14T22:51:27.870278Z", "start_waiting": "2015-12-15T01:01:08.719178Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 75492, "name": "Correspondence 19x19 RoundRobin 2021-05-24 19:00", "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 } }, 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"10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-05-24T19:00:07.432570Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-24T19:00:10.125067Z", "ended": "2021-08-23T13:40:29.066622Z", "start_waiting": "2021-05-24T19:00:09.029788Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 18357, "name": "Correspondence 19x19 RoundRobin 2016-06-19 01:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260409T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-09T19:00:34.669370Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-04-12T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-06-19T01:00:07.397075Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-06-19T01:00:28.153776Z", "ended": "2016-09-30T12:50:53.321650Z", "start_waiting": "2016-06-19T01:00:27.135976Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 5177, "name": "testesqwerwegrsf", "director": { "id": 133411, "username": "royuji", "country": "un", "icon": "https://secure.gravatar.com/avatar/46b1d47c79cfc255751509b46cb7db64?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1573.242728008983, "deviation": 189.0257767896602, "volatility": 0.060002939193029986 } }, "ranking": 25.407030953859408, "professional": false, "ui_class": "provisional" }, "description": "ewqewq", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 88320, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 487, "name": "a", "summary": "a", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/6a102bfeb421d2c31ab35feac22c9d51-64.png" }, "auto_start_on_max": false, "time_start": "2015-02-18T23:17:00Z", "players_start": 2, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2015-02-18T23:17:54.273679Z", "ended": "2015-02-18T23:41:45.425293Z", "start_waiting": "2015-02-18T23:17:54.237441Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6a102bfeb421d2c31ab35feac22c9d51-15.png", "player_count": 3, "ranked": true }, { "id": 16072, "name": "First Lainchan Tournament", "director": { "id": 242110, "username": "anomie", "country": "us", "icon": "https://secure.gravatar.com/avatar/2dede69cf2890dbaf40a43169011282b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 682.6701141241332, "deviation": 64.01796244829504, "volatility": 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Invite anyone you please.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 988, "name": "lainchan", "summary": "lainchan.org go group", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/382e0e73b14717636b79ab7ba75ee45e-64.png" }, "auto_start_on_max": false, "time_start": "2016-04-02T23:05:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "invite", "started": "2016-04-03T22:50:05.513501Z", "ended": "2016-06-24T18:17:56.538993Z", "start_waiting": "2016-04-03T22:50:05.444417Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/382e0e73b14717636b79ab7ba75ee45e-15.png", "player_count": 4, "ranked": true }, { "id": 60582, "name": "Correspondence 9x9 RoundRobin 2020-05-16 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260408T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-08T19:00:04.658730Z", "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": "2026-04-11T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": "2020-05-16T19:00:42.859965Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-16T19:01:32.932344Z", "ended": "2020-06-04T07:34:29.988617Z", "start_waiting": "2020-05-16T19:01:28.857519Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 128151, "name": "World Star Monthly Match", "director": { "id": 155306, "username": "qingxiang96", "country": "my", "icon": "https://user-uploads.online-go.com/475df8480623aaab56b966dcc9d23760-64.png", "ratings": { "version": 5, "overall": { "rating": 1776.8295125850725, "deviation": 60.97936005180928, "volatility": 0.05975331322934976 } }, "ranking": 28.22419339872266, "professional": false, "ui_class": "" }, "description": "Hello everyone, Let’s have a friendly match within the members in this group!!! Everyone is welcome to join. Hope everyone will enjoy the joy of the game! Good luck.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 39, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14930, "name": "World Star Go Academy Group", "summary": "“In Go, you are constantly making decisions that are either right or wrong.” — Yasunari Kawabata", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-64.png" }, "auto_start_on_max": false, "time_start": "2025-05-10T11:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2025-05-10T11:00:54.867279Z", "ended": "2025-05-10T14:53:19.353770Z", "start_waiting": "2025-05-10T11:00:54.778442Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-15.png", "player_count": 8, "ranked": true } ] }
