Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1314
{ "count": 59665, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1315", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1313", "results": [ { "id": 59094, "name": "Waldorf Kids Go Club Member Tournament", "director": { "id": 679239, "username": "letspanda", "country": "un", "icon": "https://user-uploads.online-go.com/557a83eec3e5c74d777c3bfdd85012a9-64.png", "ratings": { "version": 5, "overall": { "rating": 1260.1793735802999, "deviation": 66.01964612518762, "volatility": 0.060010634516311515 } }, "ranking": 20.270396668819913, "professional": false, "ui_class": "" }, "description": "Short games for Waldorf Kids Go Club Members", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 18, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 15, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5121, "name": "Waldorf Kids Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-17T18:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 13, "analysis_enabled": true, "exclusivity": "group", "started": "2020-04-17T18:30:49.006628Z", "ended": "2020-04-17T18:37:05.892315Z", "start_waiting": "2020-04-17T18:30:48.145035Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 125078, "name": "13x13 New Zealand 25k-10k League #19", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "25k-10k. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 80, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-04T04:13:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-02T12:00:08.554658Z", "ended": "2025-05-03T21:19:34.291363Z", "start_waiting": "2025-03-02T12:00:08.425120Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 5, "ranked": true }, { "id": 62511, "name": "sunday tournament", "director": { "id": 56637, "username": "milanm", "country": "un", "icon": "https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png", "ratings": { "version": 5, "overall": { "rating": 1650.1137774438198, "deviation": 65.86715726525212, "volatility": 0.05990403267651867 } }, "ranking": 26.511409121593484, "professional": false, "ui_class": "aga" }, "description": "weekly 9x9 tournament", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5803, "name": "Massachusetts Go Foundation", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 49, "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-28T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-06-28T17:00:35.719694Z", "ended": "2020-06-28T17:47:01.181592Z", "start_waiting": "2020-06-28T17:00:34.961983Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png", "player_count": 13, "ranked": true }, { "id": 16932, "name": "Correspondence 13x13 RoundRobin 2016-04-27 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260516T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-16T19:00:50.176550Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": "2026-05-19T19:00:00Z", "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": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-04-27T01:00:21.411121Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-04-27T01:00:42.047441Z", "ended": "2016-06-20T18:53:53.965113Z", "start_waiting": "2016-04-27T01:00:41.163001Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 61338, "name": "no late", "director": { "id": 654168, "username": "Melovy", "country": "sg", "icon": "https://user-uploads.online-go.com/c279d2a10883516ad8f855553763576f-64.png", "ratings": { "version": 5, "overall": { "rating": 1604.2274745860072, "deviation": 107.58418581163765, "volatility": 0.05976481318080775 } }, "ranking": 25.858534555554265, "professional": false, "ui_class": "" }, "description": "welcome", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 458880, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 432000, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5690, "name": "funny group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-06-01T08:00:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-06-01T08:00:19.239166Z", "ended": "2020-06-01T08:15:12.901644Z", "start_waiting": "2020-06-01T08:00:19.121654Z", "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": 59115, "name": "Cm1c Montarnaud", "director": { "id": 761134, "username": "Maxence.Ultra.Instint", "country": "un", "icon": "https://user-uploads.online-go.com/0e2be6489be361bf54b65441f2621655-64.png", "ratings": { "version": 5, "overall": { "rating": 1175.658611593262, "deviation": 236.30629989343245, "volatility": 0.06000228107186591 } }, "ranking": 18.66319496066656, "professional": false, "ui_class": "provisional" }, "description": "On fait un tournoi tous ensemble", "schedule": null, "title": null, "tournament_type": "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": true, "group": { "id": 5266, "name": "Les CM1 de Montarnaud", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://user-uploads.online-go.com/8be7d53734bd9b9eff667208ffe8ae47-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-16T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-18T12:15:33.771363Z", "ended": "2020-08-08T14:10:07.742368Z", "start_waiting": "2020-04-18T12:15:33.486012Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8be7d53734bd9b9eff667208ffe8ae47-15.png", "player_count": 4, "ranked": true }, { "id": 113238, "name": "Kitty & puppy lovers friendly tournament #2", "director": { "id": 1518938, "username": "KittyWise", "country": "us", "icon": "https://user-uploads.online-go.com/dfb96e8660fdc662a5bd238eef23578c-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "🐈🐕🐸🐎🐂🐓🐒 community happy go", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "nz", "time_per_move": 37943, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 28800, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14076, "name": "KittyWise", "summary": "----------------------------------------------------------------------------------------------------------------------", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 59, "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png" }, "auto_start_on_max": true, "time_start": "2024-03-13T19:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-26T09:59:43.431309Z", "ended": "2024-03-17T11:30:28.712371Z", "start_waiting": "2024-02-26T09:59:42.122416Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png", "player_count": 10, "ranked": true }, { "id": 130043, "name": "Good bye squid game!", "director": { "id": 875708, "username": "vanecho", "country": "ca", "icon": "https://secure.gravatar.com/avatar/21fd8ed0ecc0af43aabf973b48f11224?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1394.7405472660932, "deviation": 67.62793700753289, "volatility": 0.060329591840027785 } }, "ranking": 22.6190646291034, "professional": false, "ui_class": "" }, "description": "Who doesn't like squid game?", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "aga", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 10243, "name": "AGA GO CLUB", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 27, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-07-31T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-31T18:00:40.194980Z", "ended": null, "start_waiting": "2025-07-31T18:00:39.973066Z", "board_size": 19, "active_round": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 21, "ranked": true }, { "id": 58712, "name": "25k Round Robin", "director": { "id": 748408, "username": "Sports for Life", "country": "us", "icon": "https://user-uploads.online-go.com/c6258ee239e8c0c6c2c9f59005725d81-64.png", "ratings": { "version": 5, "overall": { "rating": 774.2935361093267, "deviation": 71.4033398364045, "volatility": 0.059906278529480765 } }, "ranking": 8.994996966313037, "professional": false, "ui_class": "" }, "description": "Are you not that good? Are you new? If so, then this is a tournament for you. ONLY 25ks. You can WIN.", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 4456, "name": "Our Go House", "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 160, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png" }, "auto_start_on_max": true, "time_start": "2020-04-13T00:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 5, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-13T00:00:40.447346Z", "ended": "2020-05-26T05:35:27.114789Z", "start_waiting": "2020-04-13T00:00:38.499139Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png", "player_count": 8, "ranked": true }, { "id": 127818, "name": "Correspondence 13x13 RoundRobin 2025-04-25 19:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260516T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-16T19:00:50.176550Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": "2026-05-19T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2025-04-25T19:00:16.378020Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-25T19:00:21.748641Z", "ended": "2025-05-13T00:42:30.613712Z", "start_waiting": "2025-04-25T19:00:21.533378Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true } ] }
