Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4821
{ "count": 60132, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4822", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4820", "results": [ { "id": 1822, "name": "annamette's mini-tournament", "director": { "id": 7588, "username": "annamette", "country": "nl", "icon": "https://user-uploads.online-go.com/d2e186ae078de844c1dcfc9fad3ee00a-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.4462609602026, "deviation": 62.66437957865078, "volatility": 0.06071334000718151 } }, "ranking": 23.171861451618014, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "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": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2012-12-09T20:21:57Z", "ended": "2012-12-09T19:21:57Z", "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": 2819, "name": "2nd 9x9 Battle", "director": { "id": 60584, "username": "hakiru", "country": "un", "icon": "https://secure.gravatar.com/avatar/6a878e164861d528050e8fe8d1025267?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1138.9074820826704, "deviation": 93.43279302261918, "volatility": 0.05999288909768144 } }, "ranking": 17.927972785976664, "professional": false, "ui_class": "" }, "description": "9x9 Battle, 5 player", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 86400, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18034, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2014-02-09T16:00:42.182000Z", "ended": "2014-02-18T17:15:43.314836Z", "start_waiting": "2014-02-09T16:00:41.448080Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true }, { "id": 30376, "name": "神魔之塔 古獸之巢 9x9 升降杯", "director": { "id": 465065, "username": "carefree", "country": "un", "icon": "https://secure.gravatar.com/avatar/29b5eeca165aa74080ced9afdf1cb318?s=64&d=retro", "ratings": { 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"group": null, "auto_start_on_max": false, "time_start": "2017-08-29T19:30:42.451109Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-08-29T19:30:46.757108Z", "ended": "2017-08-29T20:42:14.260140Z", "start_waiting": "2017-08-29T19:30:44.681001Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 13, "ranked": true }, { "id": 127229, "name": "Blitz 13x13 Swiss Tournament 2025-04-07 15:30", "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 Site-wide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260705T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-05T15:00:18.087582Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "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": "2026-07-05T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-04-07T15:30:14.114620Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-04-07T15:31:14.206382Z", "ended": "2025-04-07T16:11:42.317007Z", "start_waiting": "2025-04-07T15:31:14.109701Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 19966, "name": "Tournament of September", "director": { "id": 53950, "username": "Darsey", "country": "es", "icon": "https://user-uploads.online-go.com/9b40ec4024ae1dafe4123a38e06bc8c2-64.png", "ratings": { "version": 5, "overall": { "rating": 1309.5355578045278, "deviation": 65.94416410723343, "volatility": 0.06009270612754109 } }, "ranking": 21.15978419162307, "professional": false, "ui_class": "" }, "description": "The last day of september", "schedule": null, "title": null, "tournament_type": "elimination", "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": true, "group": { "id": 422, "name": "Go Players on FB", "summary": "Go (Weiqi) Players on Facebook", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 34, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2016-09-30T16:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-30T16:00:28.449596Z", "ended": "2017-12-29T20:45:50.193118Z", "start_waiting": "2016-09-30T16:00:27.834869Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 13, "ranked": true }, { "id": 2719, "name": "The Ministry of Silly Moves, pt 8.", "director": { "id": 28201, "username": "ives", "country": "be", "icon": "https://user-uploads.online-go.com/2df5a4fce101e15270c1e6f9a7cf37e7-64.png", "ratings": { "version": 5, "overall": { "rating": 1683.7896052617307, "deviation": 63.11433111755294, "volatility": 0.05985598310227053 } }, "ranking": 26.97910229701918, "professional": false, "ui_class": "" }, "description": "Now with correct time settings.\nWill start when we have 5+ players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, 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"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:20260705T150000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-05T15:00:18.087582Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "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": "2026-07-05T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2017-08-28T19:30:02.096074Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-08-28T19:32:05.643159Z", "ended": "2017-08-28T20:24:11.477241Z", "start_waiting": "2017-08-28T19:32:04.851291Z", "board_size": 13, "active_round": null, "icon": 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-01-16T20:30:40.017129Z", "ended": "2025-01-16T23:58:14.142720Z", "start_waiting": "2025-01-16T20:30:39.912540Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true } ] }
