Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1785
{ "count": 60918, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1786", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1784", "results": [ { "id": 72960, "name": "#018 Sunday correspondence 19x19", "director": { "id": 877742, "username": "Ennogo", "country": "de", "icon": "https://secure.gravatar.com/avatar/a5628968f0dac4d55e2a4e48f34c61f1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1654.612632072511, "deviation": 64.69338769397763, "volatility": 0.06003459918663114 } }, "ranking": 26.57443917981066, "professional": false, "ui_class": "supporter" }, "description": "Another Chance for everyone :-)", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 2214, "name": "Dogs fun", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-64.png" }, "auto_start_on_max": true, "time_start": "2021-03-28T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2021-03-26T04:28:13.001670Z", "ended": "2021-07-01T18:31:51.795529Z", "start_waiting": "2021-03-26T04:28:11.793276Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-15.png", "player_count": 10, "ranked": true }, { "id": 877, "name": "The Eighth Dimension (I'm back)", "director": { "id": 20606, "username": "Infinity", "country": "un", "icon": "https://secure.gravatar.com/avatar/b0b3c0b98c88f5056f73a31e9a78419f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1862.987308823708, "deviation": 69.46877791327594, "volatility": 0.060188015447715834 } }, "ranking": 29.320361546870892, "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": "simple", "per_move": 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": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2009-09-06T17:10:38Z", "ended": "2009-09-06T15:10:38Z", "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": 82123, "name": "Blitz 19x19 Elimination Tournament 2021-11-05 09:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260903T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-09-03T05:00:32.451989Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-09-03T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-11-05T09:30:01.017352Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-11-05T09:30:02.178885Z", "ended": "2021-11-05T09:52:57.058546Z", "start_waiting": "2021-11-05T09:30:02.094990Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 64817, "name": "Blitz 19x19 Elimination Tournament 2020-08-28 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260903T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-09-03T05:00:32.451989Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-09-03T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-08-28T21:30:23.482462Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-08-28T21:30:25.368072Z", "ended": "2020-08-28T22:02:46.144113Z", "start_waiting": "2020-08-28T21:30:24.833129Z", "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": 133439, "name": "Servus Oida Open Tournament #21", "director": { "id": 1285178, "username": "VikingKoala", "country": "eu", "icon": "https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png", "ratings": { "version": 5, "overall": { "rating": 1073.568813606331, "deviation": 66.135512377162, "volatility": 0.05969483201628173 } }, "ranking": 16.560247278032115, "professional": false, "ui_class": "supporter" }, "description": "McMahon Kyu Player Tournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "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": 5720, "name": "Outside Go7", "summary": "Die Gruppe für alle, die sonst im Go7 spielen.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 48, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-01-28T11:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-28T11:00:26.448083Z", "ended": "2026-07-05T07:22:01.322557Z", "start_waiting": "2026-01-28T11:00:26.196279Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 12, "ranked": true }, { "id": 70887, "name": "【第1回】抹茶杯", "director": { "id": 841431, "username": "MatchaDainagon", "country": "un", "icon": "https://user-uploads.online-go.com/1bc88f83cf0851f64a510ddf25bb72bb-64.png", "ratings": { "version": 5, "overall": { "rating": 2199.665345976857, "deviation": 66.11339841339539, "volatility": 0.059995681271642065 } }, "ranking": 33.16613108099457, "professional": false, "ui_class": "" }, "description": "オンライン囲碁サークルのメンバーによる記念すべき第1回目のリーグ戦です。", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 46080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6810, "name": "碁ビレッジちゃんねる", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://user-uploads.online-go.com/9be5cd756bec17b9a84a341a3182db6d-64.png" }, "auto_start_on_max": false, "time_start": "2021-02-06T04:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-02-06T04:00:05.666774Z", "ended": "2021-03-02T01:55:24.438578Z", "start_waiting": "2021-02-06T04:00:04.811984Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9be5cd756bec17b9a84a341a3182db6d-15.png", "player_count": 9, "ranked": true }, { "id": 70515, "name": "#015 🐩 Sunday Correspondence19×19 RoundRobin", "director": { "id": 782501, "username": "マンジュリカ", "country": "jp", "icon": "https://user-uploads.online-go.com/fbeb691b3d1b4b41a890cb9b89b59bc6-64.png", "ratings": { "version": 5, "overall": { "rating": 1613.1492347649423, "deviation": 66.21889845362597, "volatility": 0.05849840812884101 } }, "ranking": 25.986924418598104, "professional": false, "ui_class": "" }, "description": "RoundRobin", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2214, "name": "Dogs fun", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 11, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-64.png" }, "auto_start_on_max": true, "time_start": "2021-01-31T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-30T18:54:15.087588Z", "ended": "2021-03-24T23:09:23.287527Z", "start_waiting": "2021-01-30T18:54:14.020420Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-15.png", "player_count": 10, "ranked": true }, { "id": 66426, "name": "12345", "director": { "id": 840262, "username": "yuxuan.ye", "country": "un", "icon": "https://secure.gravatar.com/avatar/8699a585b6089892b01cd28cb9ae00d9?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2210.9376559973484, "deviation": 102.55878209214214, "volatility": 0.06000308961247009 } }, "ranking": 33.28446163353911, "professional": false, "ui_class": "" }, "description": "12345", "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": false, "group": { "id": 6730, "name": "Stony Brook Go Club", "summary": "ALL PLAYERS WELCOME!!!\n\nWe are a club group based at Stony Brook University. \n\nOur meetings times are Tuesdays and Thursdays 8-10PM via Zoom.\n\nRegardless of whether you are a beginner or a master, don't hesitate to come by to simply have some fun. \n\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 35, "icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-10T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-10T17:01:02.313226Z", "ended": "2020-11-22T02:26:45.949755Z", "start_waiting": "2020-10-10T17:01:02.100597Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bfaca7135d50ab09bc002ea3020d5f21-15.png", "player_count": 6, "ranked": true }, { "id": 875, "name": "orbitaleccentric's mini-tournament", "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": "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": 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": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2009-12-01T21:06:35Z", "ended": "2009-12-01T20:06:35Z", "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": 63862, "name": "Blitz 19x19 Elimination Tournament 2020-08-02 17:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260903T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-09-03T05:00:32.451989Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-09-03T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-08-02T17:30:07.520220Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-08-02T17:30:08.569041Z", "ended": "2020-08-02T17:38:45.346331Z", "start_waiting": "2020-08-02T17:30:08.250717Z", "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 } ] }
