Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=726
{ "count": 59420, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=727", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=725", "results": [ { "id": 73009, "name": "Correspondence 19x19 RoundRobin 2021-03-25 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260418T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-18T19:00:56.576777Z", 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"2021-03-25T19:00:14.546024Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-25T19:00:16.442770Z", "ended": "2021-05-30T15:38:48.478383Z", "start_waiting": "2021-03-25T19:00:15.349600Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 102830, "name": "please join", "director": { "id": 1333360, "username": "1wuryd", "country": "cn", "icon": "https://user-uploads.online-go.com/09df0c62018124939bfa3b81283f554c-64.png", "ratings": { "version": 5, "overall": { "rating": 1127.6000700937311, "deviation": 162.59080438930707, "volatility": 0.0600029206577095 } }, "ranking": 17.696984136456305, "professional": false, "ui_class": "provisional" }, "description": "a tournament.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1780, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2023-05-02T22:25:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 21, "analysis_enabled": true, "exclusivity": "open", "started": "2023-10-15T15:04:35.425109Z", "ended": "2023-10-15T15:15:03.190580Z", "start_waiting": "2023-10-15T15:04:35.366745Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 4, "ranked": true }, { "id": 67010, "name": "Correspondence 9x9 RoundRobin 2020-10-25 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:20260420T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-20T19:00:57.017825Z", "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": "2026-04-23T19:00:00Z", "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": "2020-10-25T19:00:55.388370Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-25T19:01:57.634637Z", "ended": "2021-01-02T09:03:25.582921Z", "start_waiting": "2020-10-25T19:01:55.185887Z", "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": 126295, "name": "9x9 live", "director": { "id": 1672844, "username": "deleted-b9b59e78-7fe2-421b-9592-08ffce621348", "country": "us", "icon": "https://user-uploads.online-go.com/50b661e8675f0399df4a903957995b4b-64.png", "ratings": { "version": 5, "overall": { "rating": 800.7266229935348, "deviation": 70.04385716130463, "volatility": 0.060331232367038926 } }, "ranking": 9.772108826139116, "professional": false, "ui_class": "" }, "description": "Have fun", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 600, "max_time": 3600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14868, "name": "Study group 9x9, 13x13, 19x19", "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-11T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-11T17:13:15.908463Z", "ended": "2025-03-11T17:33:40.418868Z", "start_waiting": "2025-03-11T17:13:15.852047Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png", "player_count": 4, "ranked": true }, { "id": 100579, "name": "9x9 Round Robin.", "director": { "id": 126739, "username": "🐬Sofiam🐬", "country": "_Olimpic_Movement", "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png", "ratings": { "version": 5, "overall": { "rating": 1012.0554496406809, "deviation": 84.91308607572303, "volatility": 0.076882078105041 } }, "ranking": 15.194279748149173, "professional": false, "ui_class": "" }, "description": "Everyone is welcome. It is capped at 10 players. An identical tournament that starts after one week or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45143, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 36000, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 360, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": true, "time_start": "2023-03-07T01:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-03-07T01:00:47.854407Z", "ended": "2023-03-26T16:03:54.348678Z", "start_waiting": "2023-03-07T01:00:47.742072Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 4, "ranked": true }, { "id": 8264, "name": "Goon Le4gue: Let's try McMahon I Guess", "director": { "id": 371, "username": "DQuad", "country": "us", "icon": "https://user-uploads.online-go.com/ea4cdae7eb67da72e8c8705157e128b4-64.png", "ratings": { "version": 5, "overall": { "rating": 1214.2539760647485, "deviation": 66.94877493726118, "volatility": 0.06014088893562639 } }, "ranking": 19.41097157599287, "professional": false, "ui_class": "supporter" }, "description": "For only the coolest dudes", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "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": 8, "name": "SA", "summary": "All Power to the People (and sugoi animes)\n\nWant in? Post in thread!", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-64.png" }, "auto_start_on_max": true, "time_start": "2015-07-01T21:06:00Z", "players_start": 10, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-07-01T21:06:47.913389Z", "ended": "2019-12-23T18:19:28.440297Z", "start_waiting": "2015-07-01T21:06:46.001475Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-15.png", "player_count": 40, "ranked": true }, { "id": 11981, "name": "Correspondence 19x19 RoundRobin 2015-10-29 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-21T19:00:00Z", "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": "2015-10-29T01:00:02.121544Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-10-29T01:00:22.764018Z", "ended": "2016-01-20T23:16:11.001227Z", "start_waiting": "2015-10-29T01:00:21.698139Z", "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": 37500, "name": "UoY Go Society - 2nd Tournament", "director": { "id": 460488, "username": "CJBGO", "country": "150", "icon": "https://user-uploads.online-go.com/07a5e659a4223668034b1175b52eb04f-64.png", "ratings": { "version": 5, "overall": { "rating": 1134.1175988475043, "deviation": 64.45863150577209, "volatility": 0.0598408383720753 } }, "ranking": 17.830405925005458, "professional": false, "ui_class": "" }, "description": "Hi everyone", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88320, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 172800, "max_time": 172800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 1814, "name": "University of York Go Society", 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"https://secure.gravatar.com/avatar/a5628968f0dac4d55e2a4e48f34c61f1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1654.612632072511, "deviation": 64.69338769397763, "volatility": 0.06003459918663114 } }, "ranking": 26.57443917981066, "professional": false, "ui_class": "supporter" }, "description": "Lehrling by doing schicke ich Euch meine erste Turniereinladung :-)", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88320, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 172800, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5054, "name": "Go Revival Bremen", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 7, "icon": 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"ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260420T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-04-20T19:00:57.017825Z", "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": "2026-04-23T19:00:00Z", "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": "2023-03-29T19:00:15.963186Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-03-29T19:00:19.380127Z", "ended": "2023-04-14T12:50:48.212028Z", "start_waiting": "2023-03-29T19:00:18.881735Z", "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 } ] }
