Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4841
{ "count": 59279, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4842", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4840", "results": [ { "id": 353, "name": "Fight To The Death!", "director": { "id": 15817, "username": "Imagist", "country": "un", "icon": "https://secure.gravatar.com/avatar/584047ad5883f1044166af7078dd208b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2001.3294336889094, "deviation": 65.87546436248702, "volatility": 0.05995347723533163 } }, "ranking": 30.978605242221338, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 604800, "time_control_parameters": { "time_control": "simple", "per_move": 604800 }, "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": 383, "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": 19, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2007-11-02T13:33:00Z", "ended": "2008-02-24T17:15:00Z", "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": 1583, "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": "chinese", "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": 383, "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": "2011-10-12T18:28:29Z", "ended": "2011-10-12T16:28:29Z", "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": 22227, "name": "Blitz 13x13 Swiss Tournament 2016-11-15 11:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260409T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-09T07:00:04.606438Z", "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": "2026-04-09T11:00:00Z", "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": "2016-11-15T11:30:30.998380Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-11-15T11:30:32.522011Z", "ended": "2016-11-15T12:33:58.960297Z", "start_waiting": "2016-11-15T11:30:32.174317Z", "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 }, { "id": 1584, "name": "Starters-kyu mini-tournament", "director": { "id": 39560, "username": "PaulGoHere", "country": "nl", "icon": "https://secure.gravatar.com/avatar/0f1ac5c7a15a71badb215341f6a92e15?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1278.9478325461664, "deviation": 66.5445989038552, "volatility": 0.06003370308511538 } }, "ranking": 20.612638473303857, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "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": 383, "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": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2011-09-22T12:27:10Z", "ended": "2011-09-22T10:27:10Z", "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": 1585, "name": "Mandrel's mini-tournament", "director": { "id": 29157, "username": "Mandrel", "country": "gb", "icon": "https://secure.gravatar.com/avatar/50e65015484b6fa5bdbbbd568a82dc3d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1132.2750720362903, "deviation": 62.744346365650195, "volatility": 0.06000116776344252 } }, "ranking": 17.79276504694859, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 864000, "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": 383, "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": 9, "analysis_enabled": false, "exclusivity": "open", "started": "2012-01-12T22:15:27Z", "ended": "2012-01-12T21:15:27Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 42477, "name": "Double digit turnament", "director": { "id": 576784, "username": "Rivan20", "country": "id", "icon": "https://user-uploads.online-go.com/a9fb791cbd94f8419382048c39ce4d2b-64.png", "ratings": { "version": 5, "overall": { "rating": 1336.591629676503, "deviation": 61.52832941961669, "volatility": 0.06005111953496993 } }, "ranking": 21.633208066027755, "professional": false, "ui_class": "" }, "description": "Keep learning", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 133440, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 345600, "max_time": 604800, "time_increment": 129600, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3652, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-11-21T13:00:00Z", "players_start": 32, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2018-11-08T10:35:14.888614Z", "ended": "2021-03-05T09:21:29.697100Z", "start_waiting": "2018-11-08T10:35:06.561604Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 23, "ranked": true }, { "id": 109462, "name": "Live 19x19 Swiss Tournament 2023-11-10 12:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260409T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-09T08:00:04.620835Z", "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": "2026-04-09T12:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "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": "2023-11-10T12:30:29.779450Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-11-10T12:31:29.949129Z", "ended": "2023-11-10T13:45:58.147777Z", "start_waiting": "2023-11-10T12:31:29.797713Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 1586, "name": "Come, my minions.", "director": { "id": 10670, "username": "boredom", "country": "ca", "icon": "https://user-uploads.online-go.com/885cf176491879164a14993fb1af835c-64.png", "ratings": { "version": 5, "overall": { "rating": 1822.8504864288059, "deviation": 64.53786161281363, "volatility": 0.05990507402656149 } }, "ranking": 28.816159126829287, "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": true, "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": 383, "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": 20, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": "2012-01-05T12:32:31Z", "ended": "2012-01-05T11:32:31Z", "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": 20049, "name": "Correspondence 19x19. September 3, 2016", "director": { "id": 144465, "username": "Stan_Go", "country": "001", "icon": "https://user-uploads.online-go.com/8f8d34b790901a56ce95755cfa0cd0cd-64.png", "ratings": { "version": 5, "overall": { "rating": 1338.256616629733, "deviation": 63.150870437364226, "volatility": 0.060014748063524234 } }, "ranking": 21.662027983567828, "professional": false, "ui_class": "" }, "description": "A tournament for players between 15 and 25 k. for slow, mindfullness game. Double elimination, pairing based on strength - everybody can play an interesting game for further development in go.", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": { "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": 17882, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2016-09-03T15:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-03T15:00:44.246628Z", "ended": "2018-05-07T18:16:42.740705Z", "start_waiting": "2016-09-03T15:00:42.996355Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 20, "ranked": true }, { "id": 334, "name": "19 handicap", "director": { "id": 7781, "username": "ThornsFan", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/4df0f17546b2749c9896c4ae9a13c66d-64.png", "ratings": { "version": 5, "overall": { "rating": 1326.9484859447628, "deviation": 62.41508550443843, "volatility": 0.05974564346244173 } }, "ranking": 21.4655817168294, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "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": 383, "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": 9, "max_ranking": 21, "analysis_enabled": false, "exclusivity": "open", "started": "2007-10-01T06:00:00Z", "ended": "2007-11-20T08:46:00Z", "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 } ] }
