Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5337
{ "count": 58953, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5338", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=5336", "results": [ { "id": 53152, "name": "1st Atlanta 13x13 Air Tournament: Group A", "director": { "id": 473434, "username": "DoubleSente", "country": "us", "icon": "https://user-uploads.online-go.com/7a52b9c53ec155ff3c7d9a45c75edecf-64.png", "ratings": { "version": 5, "overall": { "rating": 1891.386906647593, "deviation": 62.91280212348621, "volatility": 0.05998964037582742 } }, "ranking": 29.67060006447044, "professional": false, "ui_class": "" }, "description": "Top two will progress.\nThird place from Group A will play third place from Group B for the wildcard spot.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 16320, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3777, "name": "Atlanta Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 87, "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-64.png" }, "auto_start_on_max": true, "time_start": "2019-10-22T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2019-10-21T19:40:23.660251Z", "ended": "2019-11-08T16:23:50.401543Z", "start_waiting": "2019-10-21T19:40:22.995402Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-15.png", "player_count": 4, "ranked": true }, { "id": 73710, "name": "馬彥彬\t李子霆 c", "director": { "id": 649834, "username": "pr_int_潘sir", "country": "un", "icon": "https://user-uploads.online-go.com/1ae527e76de4ea4c5bf0841b90eb6853-64.png", "ratings": { "version": 5, "overall": { "rating": 1612.1673305243028, "deviation": 79.86897131938817, "volatility": 0.060017927381775936 } }, "ranking": 25.972829006000353, "professional": false, "ui_class": "" }, "description": "馬彥彬\t李子霆 c", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 600, "max_time": 600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-04-10T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-04-10T04:00:05.153738Z", "ended": "2021-04-10T04:35:53.383188Z", "start_waiting": "2021-04-10T04:00:05.069879Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 106761, "name": "9x9 SDK tournament #4", "director": { "id": 1386229, "username": "UFParrot", "country": "nz", "icon": "https://user-uploads.online-go.com/99db0454aa14a7c826bbfc219727f009-64.png", "ratings": { "version": 5, "overall": { "rating": 1231.4957753341725, "deviation": 64.8361701941337, "volatility": 0.060061429180239594 } }, "ranking": 19.737378041224964, "professional": false, "ui_class": "" }, "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": 138743, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 129600, "periods": 5 }, "is_open": true, "exclude_provisional": false, "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": 190, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-04T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-04T06:00:11.286840Z", "ended": "2023-09-16T18:40:36.036469Z", "start_waiting": "2023-09-04T06:00:11.203264Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png", "player_count": 4, "ranked": true }, { "id": 106641, "name": "9x9 Mini League 5k-15k #37", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1420.5346413324014, "deviation": 69.96178197406026, "volatility": 0.06017588006144253 } }, "ranking": 23.043286026595208, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-09-03T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-02T13:30:56.910313Z", "ended": "2023-10-04T02:21:42.076385Z", "start_waiting": "2023-09-02T13:30:56.744733Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 51948, "name": "Correspondence 9x9 RoundRobin 2019-09-13 19:01", "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:20260312T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-12T19:00:10.512824Z", "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": "2026-03-15T19:00:00Z", "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": "2019-09-13T19:01:00.788859Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2019-09-13T19:01:06.547168Z", "ended": "2019-10-22T02:41:34.857288Z", "start_waiting": "2019-09-13T19:01:03.962446Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 73867, "name": "KIDO TRAINING", "director": { "id": 88120, "username": "satoshi84", "country": "mx", "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png", "ratings": { "version": 5, "overall": { "rating": 1136.7959829193692, "deviation": 78.40429708623937, "volatility": 0.06016044531576248 } }, "ranking": 17.885013568829635, "professional": false, "ui_class": "" }, "description": "Partidas simuls", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 60, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 3600, "period_time": 20, "periods": 4 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4974, "name": "Taller de Go-Biblioteca de México", "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 237, "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-13T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-13T22:26:53.104431Z", "ended": "2021-04-13T23:11:26.166483Z", "start_waiting": "2021-04-13T22:26:52.938874Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png", "player_count": 4, "ranked": true }, { "id": 14395, "name": "Second Ever Fight To the Death", "director": { "id": 98629, "username": "Mr. P", "country": "us", "icon": "https://user-uploads.online-go.com/ead9b34ee8f34fdd67e7523d42cb1809-64.png", "ratings": { "version": 5, "overall": { "rating": 1301.8833001001337, "deviation": 61.87232333568003, "volatility": 0.059788962607240766 } }, "ranking": 21.024110611441284, "professional": false, "ui_class": "" }, "description": "The last one was over before it started.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 554, "name": "SOMS Go Club Group", "summary": "Only Savvanna oaks go club people", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://user-uploads.online-go.com/9334bf177365e6636e1ca8790499a83c-64.png" }, "auto_start_on_max": false, "time_start": "2016-01-25T22:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "group", "started": "2016-01-25T21:58:54.284143Z", "ended": "2016-01-25T22:33:24.863311Z", "start_waiting": "2016-01-25T21:58:54.102586Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9334bf177365e6636e1ca8790499a83c-15.png", "player_count": 7, "ranked": true }, { "id": 74383, "name": "4月 第二輪 莫霆軒 對 刘沛祥", "director": { "id": 928963, "username": "傳碁學園-歷碁賽", "country": "hk", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "4月 第二輪 莫霆軒 對 刘沛祥", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1500 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8175, "name": "歷碁賽 A組", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-04-25T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-04-25T08:54:44.909695Z", "ended": "2021-04-25T09:33:05.041206Z", "start_waiting": "2021-04-25T08:54:44.828904Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 107796, "name": "9x9 Mini League 10k-25k #182", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1420.5346413324014, "deviation": 69.96178197406026, "volatility": 0.06017588006144253 } }, "ranking": 23.043286026595208, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-10-01T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-27T16:05:22.910478Z", "ended": "2023-10-25T17:50:23.928467Z", "start_waiting": "2023-09-27T16:05:22.762483Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 73860, "name": "Correspondence 9x9 RoundRobin 2021-04-14 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:20260312T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-12T19:00:10.512824Z", "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": "2026-03-15T19:00:00Z", "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": "2021-04-14T19:00:51.562290Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-14T19:01:50.388251Z", "ended": "2021-05-20T05:36:21.103087Z", "start_waiting": "2021-04-14T19:01:48.977764Z", "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 } ] }
