Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=15
{ "count": 60382, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=16", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=14", "results": [ { "id": 145, "name": "wonrei15's mini-tournament", "director": { "id": 3986, "username": "wonrei15", "country": "us", "icon": "https://secure.gravatar.com/avatar/00dd7707b152fff2a766a981161fe65c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 993.4876252432446, "deviation": 98.70754388188838, "volatility": 0.06000911662053107 } }, "ranking": 14.765610404426726, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 864000, "time_increment": 172800 }, "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": "2006-10-25T18:41:00Z", "ended": "2007-02-21T18:39:00Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 59195, "name": "Blitz 13x13 Swiss Tournament 2020-04-17 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 Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260725T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-25T23:00:53.238967Z", "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": "2026-07-26T03:00:00Z", "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": "2020-04-17T15:30:37.948118Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-17T15:30:40.200679Z", "ended": "2020-04-17T16:09:56.870582Z", "start_waiting": "2020-04-17T15:30:39.436952Z", "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": 134821, "name": "Monday Morning 19x19 #75", "director": { "id": 1246361, "username": "katonal_edu", "country": "hu", "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png", "ratings": { "version": 5, "overall": { "rating": 1482.4218691165722, "deviation": 66.99404105360328, "volatility": 0.06001699194390396 } }, "ranking": 24.030490914607018, "professional": false, "ui_class": "" }, "description": "To have a good start of the week you need to join this 19x19 #75 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87768, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12889, "name": "Monday Morning", "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 49, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-05T09:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-05T09:00:21.827329Z", "ended": null, "start_waiting": "2026-01-05T09:00:21.660704Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png", "player_count": 16, "ranked": true }, { "id": 16144, "name": "Reddit Round Robin Correspondence - 25k-16k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1212.0090215168916, "deviation": 63.06880310838698, "volatility": 0.059570230671350886 } }, "ranking": 19.36813144475738, "professional": false, "ui_class": "" }, "description": "Reddit Round Robin Correspondence - 25k-16k", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2287, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-64.png" }, "auto_start_on_max": true, "time_start": "2016-04-05T12:10:13.737579Z", "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 14, "analysis_enabled": true, "exclusivity": "open", "started": "2016-04-01T08:16:47.131990Z", "ended": "2016-09-19T19:02:48.941651Z", "start_waiting": "2016-04-01T08:16:46.053185Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 10, "ranked": true }, { "id": 18987, "name": "OTL Fast Correspondence Pilot", "director": { "id": 203945, "username": "timuzhti", "country": "au", "icon": "https://user-uploads.online-go.com/447482e4d1fddb5ea71da68f3a8a67d7-64.png", "ratings": { "version": 5, "overall": { "rating": 2349.2257971057606, "deviation": 67.61151467333107, "volatility": 0.06014167970887988 } }, "ranking": 34.68895179754466, "professional": false, "ui_class": "supporter" }, "description": "Pilot tournament for fast correspondence series as part of parent group (OGS Teaching Ladder). Feel free to pause your games if you and your opponent are on different time zones, but don't take too long, and try to make use of conditional moves.\n\nYou can also ask me or a mod to mess around with your scores (make unfinishable games draws, etc), through PM. I'm not sure of the extent of my powers, but I will try to help as much as I can.\n\nAssuming full use of time over 250 moves, you will be required to make 10 moves every day, and so will your opponent. The tournament is projected to end within 60 days.\n\nHave fun, keep a malkovich log if you like, and try to review your games!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 9120, "time_control_parameters": { "time_control": "fischer", "initial_time": 172800, "max_time": 432000, "time_increment": 7200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 865, "name": "OGS Teaching Ladder", "summary": "Teach the weaker, learn from the stronger", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 665, "icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-64.png" }, "auto_start_on_max": false, "time_start": "2016-07-31T16:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-07-31T16:00:13.168894Z", "ended": "2016-11-16T01:30:41.417693Z", "start_waiting": "2016-07-31T16:00:09.973226Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-15.png", "player_count": 35, "ranked": true }, { "id": 966, "name": "Andreas' 36th mini-tournament", "director": { "id": 12608, "username": "Andreas", "country": "un", "icon": "https://secure.gravatar.com/avatar/9391313b744a480fccc4b2ffa6031575?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1708.106347149412, "deviation": 65.43808331330433, "volatility": 0.05994359485799847 } }, "ranking": 27.311035957117518, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 172800, "time_control_parameters": { "time_control": "simple", "per_move": 172800 }, "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": 14, "max_ranking": 29, "analysis_enabled": false, "exclusivity": "open", "started": "2009-12-26T20:44:02Z", "ended": "2009-12-26T19:44:02Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 26762, "name": "Blitz 13x13 Swiss Tournament 2017-05-01 19:30", "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 Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260725T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-25T23:00:53.238967Z", "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": "2026-07-26T03:00:00Z", "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": "2017-05-01T19:30:59.785087Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-05-01T19:31:02.401671Z", "ended": "2017-05-01T20:31:39.771985Z", "start_waiting": "2017-05-01T19:31:02.031685Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 57419, "name": "Challenge LRA en ligne", "director": { "id": 96911, "username": "vaurien", "country": "fr", "icon": "https://user-uploads.online-go.com/81c7d79a0b1333240881ddf40572036b-64.png", "ratings": { "version": 5, "overall": { "rating": 2043.850002592058, "deviation": 62.923143776603034, "volatility": 0.060072643917560314 } }, "ranking": 31.46530178640967, "professional": false, "ui_class": "" }, "description": "Le deuxième tour du challenge Rhône-Alpes aura lieu le dimanche 15 mars sur le net. Ce sera un tournoi en règle française (AGA), sans handicap 10mn/joueurs + 15s/coups dès le premier coup (temps Fischer). Ce tournoi est ouvert à tous, y compris les débutants.\nkoeur koeur love on veut pleins de participants =)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "aga", "time_per_move": 21, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 15, "initial_time": 600, "max_time": 1200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2629, "name": "Ligue Rhône-Alpes", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 41, "icon": "https://user-uploads.online-go.com/74940375eb62c13a7de763b887a13939-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-15T12:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-03-15T12:30:42.852955Z", "ended": "2020-03-15T16:16:21.580715Z", "start_waiting": "2020-03-15T12:30:41.687171Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/74940375eb62c13a7de763b887a13939-15.png", "player_count": 9, "ranked": true }, { "id": 125646, "name": "Blitz 13x13 Swiss Tournament 2025-02-21 03:30", "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:20260725T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-25T23:00:53.238967Z", "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": "2026-07-26T03:00:00Z", "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": "2025-02-21T03:30:26.023004Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-02-21T03:31:26.127856Z", "ended": "2025-02-21T04:05:59.925123Z", "start_waiting": "2025-02-21T03:31:26.017454Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 965, "name": "beondhuman's back again mini-tournament", "director": { "id": 6757, "username": "beondhuman", "country": "us", "icon": "https://secure.gravatar.com/avatar/6c1e55ec7c43dc51a37472ddcbd756fb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 911.6834963787938, "deviation": 77.26184502099316, "volatility": 0.059988892189128756 } }, "ranking": 12.776360541083212, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 1209600, "time_control_parameters": { "time_control": "simple", "per_move": 1209600 }, "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": "2010-01-17T11:48:04Z", "ended": "2010-01-17T10:48:04Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true } ] }
