Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1191
{ "count": 59628, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1192", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1190", "results": [ { "id": 69683, "name": "Mid Kyu 2", "director": { "id": 749722, "username": "RMFlyer", "country": "us", "icon": "https://secure.gravatar.com/avatar/5f6743f21837dd3f3aac765fcf28f12b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 823.0229448198695, "deviation": 71.18611641619312, "volatility": 0.05979445118662763 } }, "ranking": 10.407911667863626, "professional": false, "ui_class": "supporter" }, "description": "The first Mid Kyu Round Robin being almost over, I thought to offer another. 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YEET", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 160, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-26T01:30:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-04-26T01:30:52.786042Z", "ended": "2021-06-22T08:52:38.733412Z", "start_waiting": "2020-04-26T01:30:45.128924Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png", "player_count": 9, "ranked": true }, { "id": 16114, "name": "Julko's 5", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 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"exclusivity": "open", "started": "2016-04-21T23:23:28.203804Z", "ended": "2016-10-11T16:36:03.198472Z", "start_waiting": "2016-04-21T23:23:26.953429Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2bf108a559c752303005e32bfe754667-15.png", "player_count": 10, "ranked": true }, { "id": 69946, "name": "#003 🐶", "director": { "id": 782501, "username": "マンジュリカ", "country": "jp", "icon": "https://user-uploads.online-go.com/fbeb691b3d1b4b41a890cb9b89b59bc6-64.png", "ratings": { "version": 5, "overall": { "rating": 1613.1492347649423, "deviation": 66.21889845362597, "volatility": 0.05849840812884101 } }, "ranking": 25.986924418598104, "professional": false, "ui_class": "" }, "description": "have fun", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2214, "name": "Dogs fun", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-64.png" }, "auto_start_on_max": true, "time_start": "2021-01-12T02:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-12T02:00:23.517573Z", "ended": "2021-03-19T00:21:17.193579Z", "start_waiting": "2021-01-12T02:00:23.375858Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-15.png", "player_count": 4, "ranked": true }, { "id": 16065, "name": "Reddit Round Robin Handicap Correspondence - 15k-6k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1280.802005697847, "deviation": 62.59630126202379, "volatility": 0.059567801483343036 } }, "ranking": 20.64617621619375, "professional": false, "ui_class": "supporter" }, "description": "Reddit Round Robin Handicap Correspondence - 15k-6k", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": true, "group": { "id": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2282, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": true, "time_start": "2016-04-02T16:30:08.632919Z", "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2016-04-02T16:30:33.243697Z", "ended": "2016-08-12T08:03:57.767237Z", "start_waiting": "2016-04-02T16:30:32.275905Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 8, "ranked": true }, { "id": 34502, "name": "Blitz 19x19 Elimination Tournament 2018-02-12 13:30", "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 Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260513T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-13T05:00:49.726226Z", "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": "2026-05-13T09:00:00Z", "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": "2018-02-12T13:30:48.372068Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-02-12T13:30:51.094266Z", "ended": "2018-02-12T14:05:30.137967Z", "start_waiting": "2018-02-12T13:30:50.428614Z", "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": 3381, "name": "Winter 2014 Canadian Open 19x19", "director": { "id": 33792, "username": "deleted-e8f64a4c-6d99-4c22-ae3c-aacdf16941a9", "country": "zz", "icon": 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"admin_only_tournaments": false, "hide_details": false, "member_count": 558, "icon": "https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2014-12-31T19:55:00.723749Z", "ended": "2019-08-13T04:52:38.790529Z", "start_waiting": "2014-12-31T19:55:00.103661Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-15.png", "player_count": 14, "ranked": true }, { "id": 69701, "name": "haze vs kaio", "director": { "id": 907543, "username": "yuki.m", "country": "jp", "icon": "https://user-uploads.online-go.com/8bbe36edd579dc2b9897853d1507230e-64.png", "ratings": { "version": 5, "overall": { "rating": 1786.9052374835765, "deviation": 61.10024500989179, "volatility": 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