Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5202
{ "count": 59927, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5203", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5201", "results": [ { "id": 16222, "name": "Blitz 13x13 Swiss Tournament 2016-04-01 11:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260616T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-06-16T03:00:19.358033Z", 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 1182, "name": "25-16 kyu", "director": { "id": 31206, "username": "atreys", "country": "us", "icon": "https://secure.gravatar.com/avatar/4325b2c05540fd863eea93b1359999b5?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1555.8714861629242, "deviation": 64.87379442957483, "volatility": 0.05993093890550146 } }, "ranking": 25.149994391740584, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 14, "analysis_enabled": false, "exclusivity": "open", "started": "2010-09-19T10:03:09Z", "ended": "2010-09-19T08:03:09Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 81951, "name": "Live 19x19 Swiss Tournament 2021-10-31 08:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260616T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-06-16T04:00:19.358895Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-06-16T08:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-10-31T08:30:53.521307Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-10-31T08:30:55.010582Z", "ended": "2021-10-31T10:19:25.673302Z", "start_waiting": "2021-10-31T08:30:54.852311Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 84143, "name": "Battle of Santa Claus 2022", "director": { "id": 1051076, "username": "Qwentum", "country": "ru", "icon": "https://user-uploads.online-go.com/ec85d2c66ad78a73ad60a339509b683b-64.png", "ratings": { "version": 5, "overall": { "rating": 1548.4471147993652, "deviation": 66.29997541933403, "volatility": 0.05969232316851054 } }, "ranking": 25.039261862731433, "professional": false, "ui_class": "" }, "description": "Battle of Santa Claus", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10103, "name": "World battles", "summary": "World tournament s", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 50, "icon": "https://user-uploads.online-go.com/82ea34b6c5f487db027b73c2d1b9e9ca-64.png" }, "auto_start_on_max": false, "time_start": "2021-12-30T23:00:00Z", "players_start": 22, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-12-31T19:52:25.250314Z", "ended": "2022-12-06T22:33:39.925457Z", "start_waiting": "2021-12-31T19:52:24.105840Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/82ea34b6c5f487db027b73c2d1b9e9ca-15.png", "player_count": 18, "ranked": true }, { "id": 71789, "name": "small tournament #3", "director": { "id": 736023, "username": "2026vs.", "country": "hk", "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png", "ratings": { "version": 5, "overall": { "rating": 1529.4955917779457, "deviation": 63.196335111054026, "volatility": 0.060307009572073786 } }, "ranking": 24.754179686665076, "professional": false, "ui_class": "" }, "description": "small and fast", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5351, "name": "2025vs ", "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 194, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png" }, "auto_start_on_max": true, "time_start": "2021-05-01T04:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-04-04T13:09:37.502080Z", "ended": "2022-04-12T00:51:52.454533Z", "start_waiting": "2021-04-04T13:09:37.174120Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png", "player_count": 8, "ranked": true }, { "id": 71984, "name": "The 31st Murase Go Group Tournament", "director": { "id": 449215, "username": "SM-SYaKo", "country": "jp", "icon": "https://user-uploads.online-go.com/e577b58bab7d7fc9871766c9d1f7195a-64.png", "ratings": { "version": 5, "overall": { "rating": 1182.178471692773, "deviation": 63.45983688838135, "volatility": 0.060058455061893425 } }, "ranking": 18.79122343818162, "professional": false, "ui_class": "" }, "description": "毎月27日に開催される定例トーナメントです。これは第三十一回村瀬碁グループ定例トーナメントです。2021年4月27日に開始されます。\n\nA tournament that happens every month on the 27th. This is the 31st tournament that starts on April 27th, 2021.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 21840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 18000, "initial_time": 345600, "max_time": 345600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2389, "name": "Murase Go Group", "summary": "The group of Japanese and any go player from different countries.\nこのグループは日本人や世界中の国々の人々が集うグループです。", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 92, "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-27T16:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-27T16:00:58.504828Z", "ended": "2021-12-12T00:21:44.082216Z", "start_waiting": "2021-04-27T16:00:53.878360Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9e03e37d7a9f7508c9a114190260a7b9-15.png", "player_count": 37, "ranked": true }, { "id": 84268, "name": "Live 19x19 Swiss Tournament 2021-12-30 12:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260616T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-06-16T04:00:19.358895Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-06-16T08:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-12-30T12:30:20.280876Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-12-30T12:30:23.106224Z", "ended": "2021-12-30T14:07:48.778686Z", "start_waiting": "2021-12-30T12:30:22.991025Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 115068, "name": "MASCULINO- ESTUDANTES.", "director": { "id": 1192116, "username": "Miguel morato", "country": "br", "icon": "https://secure.gravatar.com/avatar/40dba1f0d7f4d531c48befd3747f5304?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1417.0545037456677, "deviation": 71.26259600326357, "volatility": 0.060076651029948996 } }, "ranking": 22.986501748528067, "professional": false, "ui_class": "" }, "description": "1°Etapa. \nAbril de 2024.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6411, "name": "CIRCUITO ONLINE SME-SP", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 479, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png" }, "auto_start_on_max": false, "time_start": "2024-04-19T22:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-04-19T22:30:23.296032Z", "ended": "2024-04-19T23:18:34.007895Z", "start_waiting": "2024-04-19T22:30:23.045583Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png", "player_count": 17, "ranked": true }, { "id": 1183, "name": "One-digit kyu welcome!", "director": { "id": 31986, "username": "petersmol", "country": "es", "icon": "https://user-uploads.online-go.com/bc6325e1e47410a90f7ffe06be2e34dd-64.png", "ratings": { "version": 5, "overall": { "rating": 1794.7960320714246, "deviation": 66.14574434317122, "volatility": 0.06004812052333528 } }, "ranking": 28.457100476581548, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 30, "analysis_enabled": false, "exclusivity": "open", "started": "2010-06-21T23:08:15Z", "ended": "2010-06-21T21:08:15Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true } ] }
