Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4573
{ "count": 60490, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4574", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4572", "results": [ { "id": 96068, "name": "GBD Tournament", "director": { "id": 1095664, "username": "USE17", "country": "un", "icon": "https://secure.gravatar.com/avatar/8a6e68aaae476904d26cb7a7372643ea?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1188.792006203979, "deviation": 61.76404829061147, "volatility": 0.0606255655038105 } }, "ranking": 18.920372006199532, "professional": false, "ui_class": "" }, "description": "Beginners tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 120, "period_time": 12, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12100, "name": "GoBanDit+", "summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 65, "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-64.png" }, "auto_start_on_max": false, "time_start": "2022-10-26T00:30:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": "2022-10-26T00:30:42.028224Z", "ended": "2022-10-26T00:39:24.151274Z", "start_waiting": "2022-10-26T00:30:41.952539Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/35a4e1bb535983857b863714b36734af-15.png", "player_count": 3, "ranked": true }, { 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"2026-04-28T19:00:35.328043Z", "ended": null, "start_waiting": "2026-04-28T19:00:35.101817Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 10237, "name": "Correspondence 9x9 RoundRobin 2015-08-26 01:00", "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:20260803T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-03T19:00:16.570410Z", 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 17366, "name": "Correspondence 9x9 RoundRobin 2016-05-13 01:00", "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:20260803T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-03T19:00:16.570410Z", "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": "2026-08-06T19:00:00Z", "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, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-05-13T01:00:58.703162Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-13T01:01:19.051628Z", "ended": "2016-08-25T11:49:43.004452Z", "start_waiting": "2016-05-13T01:01:18.028439Z", "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": 37682, "name": "Nottingham Go Club June 2018", "director": { "id": 261476, "username": "Ulyaoth", "country": "gb", "icon": "https://user-uploads.online-go.com/d6144da587a6b66d48f9178c80828af9-64.png", "ratings": { "version": 5, "overall": { "rating": 1327.7329667797278, "deviation": 62.12498096771621, "volatility": 0.060026357388284074 } }, "ranking": 21.479263759049143, "professional": false, "ui_class": "" }, "description": "Open to all members of the Nottingham Go Club and all other players who would like to join us.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { 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"https://user-uploads.online-go.com/9d477e88b677bde5e483440a488a2cf3-15.png", "player_count": 3, "ranked": true }, { "id": 23016, "name": "Correspondence 9x9 RoundRobin 2016-12-15 01:00", "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:20260803T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-03T19:00:16.570410Z", "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": "2026-08-06T19:00:00Z", "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, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-12-15T01:00:03.188345Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-12-15T01:00:25.108992Z", "ended": "2017-01-15T21:57:17.078263Z", "start_waiting": "2016-12-15T01:00:23.100515Z", "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": 37876, "name": "Correspondence 9x9 RoundRobin 2018-06-05 01:00", "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:20260803T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": 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"exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-06-05T01:00:42.803928Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-05T01:01:06.404995Z", "ended": "2018-06-17T09:51:46.293249Z", "start_waiting": "2018-06-05T01:01:05.934395Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 18148, "name": "Correspondence 13x13 RoundRobin 2016-06-11 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260802T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-02T19:00:16.841833Z", "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": "2026-08-05T19:00:00Z", "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": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-06-11T01:00:44.428731Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-06-11T01:01:03.762382Z", "ended": "2016-08-25T03:46:38.467666Z", "start_waiting": "2016-06-11T01:01:02.815587Z", "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": 104920, "name": "9x9 SDK tournament #1", "director": { "id": 1067981, "username": "Averyw123", "country": "nz", "icon": "https://user-uploads.online-go.com/f887017259dd7746e20627b59b0c7968-64.png", "ratings": { "version": 5, "overall": { "rating": 1274.6513862158752, "deviation": 65.37626830930803, "volatility": 0.06010299986513658 } }, "ranking": 20.534738366137827, "professional": false, "ui_class": "supporter" }, "description": "Have fun! More details at https://online-go.com/group/10855", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 181943, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 172800, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 10855, "name": "⚫️The Brilliant World Of OGS⚪️", "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 191, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png" }, "auto_start_on_max": true, "time_start": "2023-07-04T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-04T09:00:57.774752Z", "ended": "2023-08-14T00:47:55.302068Z", "start_waiting": "2023-07-04T09:00:57.608386Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png", "player_count": 6, "ranked": true } ] }
