Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=2020
{ "count": 59268, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=2021", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=2019", "results": [ { "id": 114377, "name": "Live 9x9 Double Elimination Tournament 2024-03-29 22:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260408T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-08T14:00:04.645146Z", "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": "2026-04-08T18:00:00Z", "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": "2024-03-29T22:30:01.586434Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-03-29T22:31:01.721398Z", "ended": "2024-03-29T23:15:21.275968Z", "start_waiting": "2024-03-29T22:31:01.580719Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 114372, "name": "Live 9x9 Double Elimination Tournament 2024-03-29 18:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260408T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-08T14:00:04.645146Z", "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": "2026-04-08T18:00:00Z", "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": "2024-03-29T18:30:01.518074Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-03-29T18:31:01.612210Z", "ended": "2024-03-29T19:09:14.205786Z", "start_waiting": "2024-03-29T18:31:01.509145Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 111985, "name": "Handicap Arena 2024 - 012", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.9926543210318, "deviation": 65.32843532399444, "volatility": 0.059741689688304116 } }, "ranking": 24.685924012231194, "professional": false, "ui_class": "" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 103, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2024-01-27T11:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-26T12:12:30.154386Z", "ended": "2024-03-29T15:43:23.534780Z", "start_waiting": "2024-01-26T12:12:30.000765Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 114366, "name": "Live 9x9 Double Elimination Tournament 2024-03-29 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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260408T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-08T14:00:04.645146Z", "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": "2026-04-08T18:00:00Z", "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": "2024-03-29T14:30:01.474946Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-03-29T14:31:01.606089Z", "ended": "2024-03-29T14:58:41.586232Z", "start_waiting": "2024-03-29T14:31:01.471498Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 113118, "name": "☆★Kyu Level Match★☆ 19x19 (Ranking)#3", "director": { "id": 1517595, "username": "deleted-c450503a-a3ed-4365-a208-e1dda8262208", "country": "kr", "icon": "https://user-uploads.online-go.com/3b8d49e36d3ae7ecf441bd4510b0cbc4-64.png", "ratings": { "version": 5, "overall": { "rating": 1174.1092143440676, "deviation": 67.30388423481288, "volatility": 0.060036122662211824 } }, "ranking": 18.63266551761154, "professional": false, "ui_class": "" }, "description": "여러분의 관심이 필요합니다 저는 ☆★Kyu Level Match★☆ 19x19 (Ranking)에서 하룻밤 사이에 4개의 게임을 완료 했습니다. 빠른 진행이 가능합니다. 물론 두는 사람에 따라 다르겠지만 아직 끝내지 못한 게임이 4개나 있다. 플레이를 안하는데 답이 없다.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 15768, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 172800, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 351, "name": "Fight Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 367, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png" }, "auto_start_on_max": true, "time_start": "2024-03-02T15:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-02-23T13:09:44.910047Z", "ended": "2024-03-29T02:20:17.713328Z", "start_waiting": "2024-02-23T13:09:44.739744Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png", "player_count": 5, "ranked": true }, { "id": 112769, "name": "Fast Correspondence for 5-12kyu", "director": { "id": 1185877, "username": "TranBao", "country": "vn", "icon": "https://user-uploads.online-go.com/67d7d186b94fc74fe63b005140aead0c-64.png", "ratings": { "version": 5, "overall": { "rating": 1082.828152752361, "deviation": 64.41006995011962, "volatility": 0.0600840206588098 } }, "ranking": 16.75905577384524, "professional": false, "ui_class": "" }, "description": "Welcome! It's 16 hour per move, so please try to play at least twice a day. It's also a non-analysis. Have fun!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 57600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 57600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 819, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2024-03-12T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2024-03-12T12:00:34.062227Z", "ended": "2024-03-28T03:14:50.604681Z", "start_waiting": "2024-03-12T12:00:33.913683Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 5, "ranked": true }, { "id": 111438, "name": "Handicap Arena 2024 - 008", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.9926543210318, "deviation": 65.32843532399444, "volatility": 0.059741689688304116 } }, "ranking": 24.685924012231194, "professional": false, "ui_class": "" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 103, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2024-01-10T11:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-09T03:14:10.746194Z", "ended": "2024-03-27T13:13:34.289157Z", "start_waiting": "2024-01-09T03:14:10.571459Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 113204, "name": "9x9 Mini League 10k-25k #219", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1357.9261925911521, "deviation": 69.59599630709448, "volatility": 0.0602068047357829 } }, "ranking": 21.999808315401925, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-03-03T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-01T14:26:20.558174Z", "ended": "2024-03-27T09:24:56.164441Z", "start_waiting": "2024-03-01T14:26:20.306506Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 107400, "name": "Pokémon", "director": { "id": 1236996, "username": "MingLau", "country": "hk", "icon": "https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png", "ratings": { "version": 5, "overall": { "rating": 1094.5105777444942, "deviation": 68.09556232756846, "volatility": 0.060076988261645106 } }, "ranking": 17.00747897971579, "professional": false, "ui_class": "" }, "description": "這個比賽限20-1級棋手", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 623947, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 604800, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6427, "name": "Pokémon Go", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 52, "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-12T12:00:00Z", "players_start": 5, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2023-10-18T13:32:35.933455Z", "ended": "2024-03-26T14:18:51.277770Z", "start_waiting": "2023-10-18T13:32:35.855909Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-15.png", "player_count": 5, "ranked": true }, { "id": 113205, "name": "9x9 Mini League 1k-9k #109", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1357.9261925911521, "deviation": 69.59599630709448, "volatility": 0.0602068047357829 } }, "ranking": 21.999808315401925, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-03-03T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-02T11:43:15.974653Z", "ended": "2024-03-26T12:21:30.340921Z", "start_waiting": "2024-03-02T11:43:15.824269Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true } ] }
