Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5091
{ "count": 60949, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5092", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5090", "results": [ { "id": 75160, "name": "thtfhtfh", "director": { "id": 813211, "username": "NHZ", "country": "co", "icon": "https://secure.gravatar.com/avatar/c8759e1813589a83085d93062787abcb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1184.1013255085343, "deviation": 67.99707856587811, "volatility": 0.06000311916076307 } }, "ranking": 18.828847117076656, "professional": false, "ui_class": "" }, "description": "dthtfhthdfthfdthfdthfdthfdthfdthdfth", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "korean", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, 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"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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260904T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-09-04T19:00:33.337379Z", "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, 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13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 4, "ranked": true }, { "id": 71145, "name": "Handicap Elimination Blast 1", "director": { "id": 784, "username": "mlopezviedma", "country": "ar", "icon": "https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png", "ratings": { "version": 5, "overall": { "rating": 1565.3025605467633, "deviation": 62.5600368754355, "volatility": 0.05974752539437922 } }, "ranking": 25.28989689842238, "professional": false, "ui_class": "supporter moderator" }, "description": "<b style=\"color:red\">Extreme time controls, only for active correspondence players.</b>\n\nPlease, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled to allow the use of conditional moves.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 16320, "time_control_parameters": { "system": "fischer", 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"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 16, "ranked": true }, { "id": 65519, "name": "Brawl starts", "director": { "id": 814427, "username": "羅琪琋avery", "country": "hk", "icon": "https://user-uploads.online-go.com/9e33d6cff902a6de8c76c05e6f2a28ee-64.png", "ratings": { "version": 5, "overall": { "rating": 1347.413638259735, "deviation": 61.777305411174325, "volatility": 0.059977882867562324 } }, "ranking": 21.819892391393466, "professional": false, "ui_class": "" }, "description": "Who plays brawl starts who joins this chess game", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 15840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 14400, "initial_time": 129600, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6849, "name": "Brawl starts ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 6, "icon": "https://user-uploads.online-go.com/9e33d6cff902a6de8c76c05e6f2a28ee-64.png" }, "auto_start_on_max": false, "time_start": "2020-09-17T08:20:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": false, "exclusivity": "open", "started": "2020-09-17T08:20:41.156937Z", "ended": "2020-09-23T06:51:11.424784Z", "start_waiting": "2020-09-17T08:20:40.277356Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9e33d6cff902a6de8c76c05e6f2a28ee-15.png", "player_count": 5, "ranked": true }, { "id": 69450, "name": "hi123", "director": { "id": 902188, "username": "myuser", "country": "un", "icon": "https://secure.gravatar.com/avatar/aceadbd065ceb2fea6189a5aaa6755e7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1618.492895996298, "deviation": 280.92266070161696, "volatility": 0.05999919647263529 } }, "ranking": 26.06348355803637, "professional": false, "ui_class": "provisional" }, "description": "hi123", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": false, "group": { "id": 7760, "name": "1234565", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-12-27T09:30:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-12-27T09:30:17.853145Z", "ended": "2020-12-27T09:33:11.813331Z", "start_waiting": "2020-12-27T09:30:17.791660Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 66282, "name": "Correspondence 19x19 RoundRobin 2020-10-05 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260903T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-09-03T19:00:32.804742Z", "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": "2026-09-06T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-10-05T19:00:44.670665Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-05T19:01:46.163950Z", "ended": "2021-02-08T09:39:22.702490Z", "start_waiting": "2020-10-05T19:01:43.524139Z", "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": 124855, "name": "9x9 New Zealand 25k-10k League #29", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "25k-10k. 5 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 80, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-18T03:09:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, 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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": "2020-12-06T19:00:44.357074Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-12-06T19:00:47.511960Z", "ended": "2021-01-05T16:37:21.693066Z", "start_waiting": "2020-12-06T19:00:45.020758Z", "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": 7968, "name": "Reddit Round Robin #16 - Handicap - 20k-11k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": 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"players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 19, "analysis_enabled": true, "exclusivity": "open", "started": "2015-06-03T18:07:27.405499Z", "ended": "2016-05-03T04:42:49.457540Z", "start_waiting": "2015-06-03T18:07:26.477258Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 10, "ranked": true } ] }