Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=590
{ "count": 59294, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=591", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=589", "results": [ { "id": 87496, "name": "Rastina", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 790.2994072178445, "deviation": 64.66815139504368, "volatility": 0.05991724621983771 } }, "ranking": 9.46866501470618, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 27, "name": "Serbian Go Players", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 81, "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-64.png" }, "auto_start_on_max": true, "time_start": "2022-03-19T17:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 12, "max_ranking": 16, "analysis_enabled": true, "exclusivity": "open", "started": "2022-03-19T15:09:56.786005Z", "ended": "2022-04-23T10:56:31.831616Z", "start_waiting": "2022-03-19T15:09:56.718392Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-15.png", "player_count": 3, "ranked": true }, { "id": 89748, "name": "Jocs Florals 2022", "director": { "id": 240129, "username": "ArturMotozawa", "country": "_United_Nations", "icon": 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false, "ui_class": "" }, "description": "蔡仲文\n錢尚鋒", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1500, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "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": "2023-05-06T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-05-06T03:44:48.668189Z", "ended": "2023-05-06T04:51:54.781075Z", "start_waiting": "2023-05-06T03:44:48.597781Z", "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": 89102, "name": "Classic W.D.D.T. LVIII", "director": { "id": 959671, "username": "ZachLee", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/9f6a01a48db5819cb29f790866e3ad03-64.png", "ratings": { "version": 5, "overall": { "rating": 1422.2965587704578, "deviation": 64.39474436082165, "volatility": 0.05998151141691156 } }, "ranking": 23.071981640961692, "professional": false, "ui_class": "" }, "description": "Classic weekly double death tournament.", "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": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, 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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:20260409T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-04-09T19:00:34.669370Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-04-12T19:00:00Z", "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": "2016-01-06T01:00:11.737445Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-06T01:00:32.365261Z", "ended": "2016-03-07T20:50:07.510891Z", "start_waiting": "2016-01-06T01:00:31.067913Z", "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": 89085, "name": "23/4 1 何家朗 2 張諾希", "director": { "id": 729080, "username": "樂 碁", "country": "hk", "icon": "https://user-uploads.online-go.com/38ab1d2a0a44a76ba656aca3c2fb3101-64.png", "ratings": { "version": 5, "overall": { "rating": 1376.5461424853938, "deviation": 260.4210499451175, "volatility": 0.059998813696822535 } }, "ranking": 22.315085597176374, "professional": false, "ui_class": "provisional" }, "description": "1 何家朗\n2 張諾希", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 20, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-04-23T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-04-23T08:42:38.208342Z", "ended": "2022-04-23T09:47:56.427123Z", "start_waiting": "2022-04-23T08:42:38.156346Z", "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": 104267, "name": "13×13", "director": { "id": 1315799, "username": "shu423423", "country": "jp", "icon": "https://user-uploads.online-go.com/401681486fe3d60c44d4ae3a3d6311f4-64.png", "ratings": { "version": 5, "overall": { "rating": 1297.9661923372946, "deviation": 61.59791195605028, "volatility": 0.05997671104565687 } }, "ranking": 20.954351870721634, "professional": false, "ui_class": "" }, "description": "13×13", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": 13127, "name": "日韓交流囲碁会/한일교류바둑회 (日本,韓国/일본,한국)", "summary": "日本人と韓国人が囲碁を通して囲碁仲間を増やし交流していきたい。한국사람과 일본사람이 바둑을 통해서 바둑 친구를 만들어 교류를 해 간다.日韓戦もしたいですね。한일전도 하고 싶습니다.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://user-uploads.online-go.com/a40e6c9c3b2abcf9a7adf7af9fcde7cd-64.png" }, "auto_start_on_max": false, "time_start": "2023-06-15T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-06-15T07:00:26.144435Z", "ended": "2023-10-16T17:56:00.830861Z", "start_waiting": "2023-06-15T07:00:26.042151Z", 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