Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=1258
{ "count": 59414, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1259", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1257", "results": [ { "id": 79415, "name": "Practice 1", "director": { "id": 1044601, "username": "senseihk", "country": "un", "icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2326.49766407098, "deviation": 249.480229604016, "volatility": 0.060008490664285076 } }, "ranking": 34.463891257409, "professional": false, "ui_class": "provisional" }, "description": "Games", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1500 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10004, "name": "smart go academy", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 16, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-08-29T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2021-08-29T11:00:10.922243Z", "ended": "2021-08-29T11:50:16.085474Z", "start_waiting": "2021-08-29T11:00:10.816182Z", "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": 74998, "name": "building", "director": { "id": 932565, "username": "Turtle the Tortoise", "country": "us", "icon": "https://user-uploads.online-go.com/13380c0d79e2a7508f7a5db582ffa6e2-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "I don’t want to do a description", "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": 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": 17805, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2021-05-10T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-13T03:48:19.134619Z", "ended": "2021-08-29T11:21:09.745760Z", "start_waiting": "2021-05-13T03:48:19.043908Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 79403, "name": "Blitz 19x19 Elimination Tournament 2021-08-29 05:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260220T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-02-20T09:00:39.727976Z", "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": "2026-02-20T13:00:00Z", "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": "2021-08-29T05:30:55.536498Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-08-29T05:30:56.818615Z", "ended": "2021-08-29T05:55:51.591881Z", "start_waiting": "2021-08-29T05:30:56.686999Z", "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 }, { "id": 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"hide_details": false, "member_count": 4, "icon": "https://user-uploads.online-go.com/aee7d4dd90dd1d2976fa770dba2aa66f-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-28T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-28T18:00:28.966449Z", "ended": "2021-08-28T19:58:26.927602Z", "start_waiting": "2021-08-28T18:00:28.850524Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/aee7d4dd90dd1d2976fa770dba2aa66f-15.png", "player_count": 4, "ranked": true }, { "id": 79300, "name": "re sobosse", "director": { "id": 1030387, "username": "4320 kyu", "country": "pe", "icon": "https://user-uploads.online-go.com/837366d91386a90ac3b07e5613bda679-64.png", "ratings": { "version": 5, "overall": { "rating": 1039.5941223014865, "deviation": 81.8034518637297, "volatility": 0.060154189637008484 } }, "ranking": 15.81578799404883, "professional": false, "ui_class": "" }, "description": "sans triche", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 5, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 30, "period_time": 5, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9948, "name": "sostil 38 les bosses", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-08-28T09:50:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-28T09:50:06.902151Z", "ended": "2021-08-28T09:59:01.909574Z", "start_waiting": "2021-08-28T09:50:06.799510Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 74480, "name": "fgggg", "director": { "id": 880823, "username": "sas1911030", "country": "cn", "icon": "https://secure.gravatar.com/avatar/27ae3e7dae329c1213cd243bdd61b91e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 531.3193903926949, "deviation": 156.24848910502703, "volatility": 0.06000548974842629 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "如果姑姑剛剛剛剛好", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 611520, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 604800, "initial_time": 604800, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 7415, "name": "聖安多尼學校 圍棋初階B班", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-04-27T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-29T19:41:08.723241Z", "ended": "2021-08-27T20:30:15.153228Z", "start_waiting": "2021-04-29T19:41:08.458124Z", "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": 77622, "name": "Angel", "director": { "id": 1023131, "username": "scps4A29", "country": "un", "icon": "https://user-uploads.online-go.com/7861468ad3c819c9dd593a1248a5fe65-64.png", 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"min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-16T18:36:46.875641Z", "ended": "2021-08-27T11:57:28.261155Z", "start_waiting": "2021-07-16T18:36:46.810112Z", "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": 79211, "name": "아마도5단증배", "director": { "id": 1039132, "username": "탄생석가넷", "country": "kr", "icon": "https://user-uploads.online-go.com/a8ae4802ecab91af799b75e5c1cfa4fa-64.png", "ratings": { "version": 5, "overall": { "rating": 1997.801053830779, "deviation": 69.59283743202148, "volatility": 0.06012358029760202 } }, "ranking": 30.937755354894474, "professional": false, "ui_class": "" }, "description": "우승하면 짱", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 86400, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9914, "name": "[한큐바둑Han-Q] 소나무 Korea", "summary": "한국바둑 화이팅", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/2ed9e73db14de2d3248501c132159130-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-24T09:23:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-24T09:23:01.193010Z", "ended": "2021-08-27T10:52:10.925051Z", "start_waiting": "2021-08-24T09:23:01.086697Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/2ed9e73db14de2d3248501c132159130-15.png", "player_count": 4, "ranked": true }, { "id": 79328, "name": "Live 9x9 Double Elimination Tournament 2021-08-27 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260220T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-20T10:00:39.730532Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, 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