Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5066
{ "count": 60954, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5067", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=5065", "results": [ { "id": 580, "name": "GoDiscussions Mini-Tournament", "director": { "id": 11479, "username": "shunoshi", "country": "us", "icon": "https://user-uploads.online-go.com/d6967a76e3db327ea3c012ec129dd626-64.png", "ratings": { "version": 5, "overall": { "rating": 1576.568983742406, "deviation": 75.79830399996072, "volatility": 0.05997174548559759 } }, "ranking": 25.455924574113144, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": false, "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": 386, "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": "2009-01-10T18:37:52Z", "ended": "2009-01-10T17:37:52Z", "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": 1462, "name": "Vilikki's 1st MT", "director": { "id": 33059, "username": "Vilikki", "country": "fi", "icon": "https://secure.gravatar.com/avatar/9a70310324ea6f480272a0525674e32d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1612.946923534966, "deviation": 64.9211507000661, "volatility": 0.0599412950176693 } }, "ranking": 25.9840209062722, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 386, "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": 18, "analysis_enabled": false, "exclusivity": "open", "started": "2011-10-03T16:25:37Z", "ended": "2011-10-03T14:25:37Z", "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": 17565, "name": "KAMAHIE Tourney", "director": { "id": 319815, "username": "claudia ʕᴖᴥᴖʔ", "country": "sg", "icon": "https://user-uploads.online-go.com/b4f127cd285444b9298c42a27cf03bb4-64.png", "ratings": { "version": 5, "overall": { "rating": 1461.402373110679, "deviation": 63.947384432761545, "volatility": 0.06011923904939347 } }, "ranking": 23.69989400247619, "professional": false, "ui_class": "" }, "description": "For the KAMAHIE Crew.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 301, "time_control_parameters": { "time_control": "byoyomi", "period_time": 300, "main_time": 120, "periods": 1 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1120, "name": "The KAMAHIE Crew & Friends", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2016-05-20T07:25:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-20T07:25:13.300324Z", "ended": "2016-05-20T07:32:09.752881Z", "start_waiting": "2016-05-20T07:25:13.254036Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 1463, "name": "Friso1990's mini-tournament", "director": { "id": 24698, "username": "Friso1990", "country": "un", "icon": "https://secure.gravatar.com/avatar/d214cfc1efc5072184c62286525af2fb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1203.1961316288339, "deviation": 71.08909327152728, "volatility": 0.059960373503154106 } }, "ranking": 19.19918570851169, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "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": 386, "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": 3, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2011-11-22T11:04:53Z", "ended": "2011-11-22T10:04:53Z", "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": 17552, "name": "Blitz 13x13 Swiss Tournament 2016-05-19 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:20260907T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-07T11:00:33.218546Z", "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": "2026-09-07T15:00:00Z", "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": "2016-05-19T19:30:35.859248Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-05-19T19:30:37.455557Z", "ended": "2016-05-19T20:26:53.442362Z", "start_waiting": "2016-05-19T19:30:37.309497Z", "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": 1464, "name": "will Nick Clegg ever be forgiven!", "director": { "id": 913, "username": "orbitaleccentric", "country": "154", "icon": "https://secure.gravatar.com/avatar/53eeecc069afe75227d01613021745ee?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1186.8298822049255, "deviation": 66.56973479895018, "volatility": 0.058733861384454335 } }, "ranking": 18.88213091983084, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 386, "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": 15, "max_ranking": 24, "analysis_enabled": false, "exclusivity": "open", "started": "2011-08-05T09:11:20Z", "ended": "2011-08-05T07:11:20Z", "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": 25202, "name": "Live 19x19 Swiss Tournament 2017-03-04 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260907T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-09-07T08:00:33.200618Z", "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": "2026-09-07T12:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2017-03-04T20:30:17.102397Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-03-04T20:30:20.130697Z", "ended": "2017-03-04T22:37:51.430268Z", "start_waiting": "2017-03-04T20:30:19.020866Z", "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 }, { "id": 2982, "name": "9x9 Battles", "director": { "id": 42360, "username": "Henrib736", "country": "us", "icon": "https://user-uploads.online-go.com/cfd31e74c2d9b1ad2b6d571ecc820cf6-64.png", "ratings": { "version": 5, "overall": { "rating": 1345.0585409259156, "deviation": 64.53637528197693, "volatility": 0.06005390268858446 } }, "ranking": 21.7793939100321, "professional": false, "ui_class": "" }, "description": "9x9 Battles", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 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": 18142, "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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-07-06T14:28:09.458434Z", "ended": "2014-08-15T13:34:06.780589Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true }, { "id": 1465, "name": "Gogas's mini-tournament", "director": { "id": 33115, "username": "Gogas", "country": "un", "icon": "https://secure.gravatar.com/avatar/4c2edaf5cd233d610074596f38cde0b5?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1832.0378345676754, "deviation": 67.28243758726465, "volatility": 0.060216512628776815 } }, "ranking": 28.932544383346094, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 259200, "time_control_parameters": { "time_control": "simple", "per_move": 259200 }, "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": 386, "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": 16, "analysis_enabled": false, "exclusivity": "open", "started": "2011-05-29T15:30:57Z", "ended": "2011-05-29T13:30:57Z", "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": 1466, "name": "le144's mini-tournament", "director": { "id": 22853, "username": "le144", "country": "us", "icon": "https://secure.gravatar.com/avatar/0182b594c16fab533d42eb9607db9275?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1101.7143184113952, "deviation": 63.33169122115875, "volatility": 0.05983599085635465 } }, "ranking": 17.159346117550527, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 386, "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": 13, "max_ranking": 18, "analysis_enabled": false, "exclusivity": "open", "started": "2011-09-23T23:08:01Z", "ended": "2011-09-23T21:08:01Z", "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 } ] }
