Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1798
{ "count": 60919, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1799", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1797", "results": [ { "id": 87314, "name": "19x19 1 day per turn tournament", "director": { "id": 589233, "username": "Earthling V.", "country": "un", "icon": "https://user-uploads.online-go.com/3b2f7cdcd20a0050a662c1bb66f93491-64.png", "ratings": { "version": 5, "overall": { "rating": 1144.2861998040646, "deviation": 63.39058260131564, "volatility": 0.05998237609031147 } }, "ranking": 18.03704592031895, "professional": false, "ui_class": "" }, "description": "Welcome! \n\nWe are glad to see you in this tournament for those who like long games without haste and the opportunity to think carefully about each move.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "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": 18136, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2022-04-01T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 21, "analysis_enabled": true, "exclusivity": "open", "started": "2022-03-24T22:39:37.908763Z", "ended": "2022-05-02T17:12:02.361747Z", "start_waiting": "2022-03-24T22:39:37.332898Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 10, "ranked": true }, { "id": 85438, "name": "29/1 3 -> 謝汶熹\t4 -> 陳譽仁", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "29/1 3 -> 謝汶熹\t4 -> 陳譽仁", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1200 }, "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": "2022-01-29T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-01-29T08:27:48.418153Z", "ended": "2022-01-29T08:55:15.482806Z", "start_waiting": "2022-01-29T08:27:48.368151Z", "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": 83077, "name": "The Julko's double elimination I", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 864.0752257226206, "deviation": 66.69099234839376, "volatility": 0.05927716479341325 } }, "ranking": 11.534755327695938, "professional": false, "ui_class": "supporter" }, "description": "Go! Go! Go!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "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": true, "group": { "id": 191, "name": "Young and Old Players Association", "summary": "Welcomes to the Young and Old Players Association. We welcome all beginners and experienced players alike.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 97, "icon": "https://user-uploads.online-go.com/dd46257689e6a2e10f09419142e181ed-64.png" }, "auto_start_on_max": true, "time_start": "2021-12-03T22:59:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-12-03T22:59:00.386595Z", "ended": "2022-03-12T11:07:37.184642Z", "start_waiting": "2021-12-03T22:59:00.256010Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/dd46257689e6a2e10f09419142e181ed-15.png", "player_count": 4, "ranked": true }, { "id": 108197, "name": "Blitz 19x19 Elimination Tournament 2023-10-06 09:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-11-23T17:30:34.479598Z", "ended": "2021-11-23T17:44:28.482834Z", "start_waiting": "2021-11-23T17:30:34.394813Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 61152, "name": "Us three", "director": { "id": 755036, "username": "ljun", "country": "un", "icon": "https://user-uploads.online-go.com/1c3300a91e8a5f5ab10c303556ab4b7c-64.png", "ratings": { "version": 5, "overall": { "rating": 1013.1542104217237, "deviation": 130.47566932677847, "volatility": 0.060013837759356606 } }, "ranking": 15.219399433363488, "professional": false, "ui_class": "" }, "description": "PLZ join Go club", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { 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{ "id": 59270, "name": "Free Cup Fixed", "director": { "id": 755335, "username": "plumthreads", "country": "us", "icon": "https://user-uploads.online-go.com/7163a7ee690dfc271e01c8795d60fab6-64.png", "ratings": { "version": 5, "overall": { "rating": 1520.5403172672397, "deviation": 72.98014508582209, "volatility": 0.0600075759709215 } }, "ranking": 24.61823689330267, "professional": false, "ui_class": "" }, "description": "fixed", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5089, "name": "Suncoast", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": 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false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260903T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-09-03T12:00:32.528389Z", "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": "2026-09-03T16:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 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