Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-started&page=1323
{ "count": 59462, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=1324", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=1322", "results": [ { "id": 105962, "name": "9x9 Mini League 10k-25k #170", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1449.4206189958652, "deviation": 69.7033743288012, "volatility": 0.06016120028799529 } }, "ranking": 23.509309294900017, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. 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true, "exclusivity": "open", "started": "2023-08-05T15:00:53.868503Z", "ended": "2024-05-24T04:20:21.716755Z", "start_waiting": "2023-08-05T15:00:53.735981Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 13, "ranked": true }, { "id": 106123, "name": "Live 9x9 Double Elimination Tournament 2023-08-05 14:30", "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:20260224T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-24T18:00:40.768957Z", "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, "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": "2026-02-24T22:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-08-05T14:30:54.232627Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-05T14:31:53.969720Z", "ended": "2023-08-05T14:59:31.346639Z", "start_waiting": "2023-08-05T14:31:53.755393Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 103333, "name": "OST - Olympic System Tournament", "director": { "id": 1033608, "username": "NetCat", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1406.6650193080409, "deviation": 70.55993802829255, "volatility": 0.06003444046653894 } }, "ranking": 22.81614654991628, "professional": false, "ui_class": "" }, "description": "Tournaments are held every Saturday\n\nJoin the OST community (^-^)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11969, "name": "OST GO", "summary": "For Olympic tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": false, "time_start": "2023-08-05T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-05T14:00:54.210346Z", "ended": "2024-08-08T12:01:47.089081Z", "start_waiting": "2023-08-05T14:00:53.999570Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 18, "ranked": true }, { "id": 106122, "name": "go go!", "director": { "id": 1269895, "username": "Cybèle", "country": "150", "icon": "https://user-uploads.online-go.com/caf19b4503b856d082647225e7fd43fe-64.png", "ratings": { "version": 5, "overall": { "rating": 859.8399655596828, "deviation": 64.75515407917145, "volatility": 0.06047964866136429 } }, "ranking": 11.421006727384071, "professional": false, "ui_class": "" }, "description": "a cool tournament", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 432000, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12930, "name": "Let's GOAT!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 80, "icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-05T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-05T14:00:53.961566Z", "ended": "2023-10-16T20:20:34.934696Z", "start_waiting": "2023-08-05T14:00:53.733090Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-15.png", "player_count": 7, "ranked": true }, { "id": 106121, "name": "Blitz 19x19 Elimination Tournament 2023-08-05 13:30", "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:20260224T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-02-24T21:00:40.802818Z", "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": 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106117, "name": "Aout 2023", "director": { "id": 1269895, "username": "Cybèle", "country": "150", "icon": "https://user-uploads.online-go.com/caf19b4503b856d082647225e7fd43fe-64.png", "ratings": { "version": 5, "overall": { "rating": 859.8399655596828, "deviation": 64.75515407917145, "volatility": 0.06047964866136429 } }, "ranking": 11.421006727384071, "professional": false, "ui_class": "" }, "description": "Cool\nTournament", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 32, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12930, "name": "Let's GOAT!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 80, "icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-64.png" }, "auto_start_on_max": false, "time_start": "2023-08-05T12:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-05T12:44:53.782009Z", "ended": "2023-08-05T14:39:50.176761Z", "start_waiting": "2023-08-05T12:44:53.685005Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-15.png", "player_count": 4, "ranked": true }, { "id": 106116, "name": "Live 9x9 Double Elimination Tournament 2023-08-05 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 } }, 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"tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-08-05T10:30:53.646167Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-08-05T10:31:53.850639Z", "ended": "2023-08-05T11:07:42.856045Z", "start_waiting": "2023-08-05T10:31:53.664042Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true } ] }
