Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=player_count&page=3654
{ "count": 59552, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=3655", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=3653", "results": [ { "id": 59878, "name": "Erste Mai 2020 9x9 Rumble 10er", "director": { "id": 96993, "username": "Hamlet", "country": "de", "icon": "https://user-uploads.online-go.com/24bc3097fa8996ac4ed6565443a31e77-64.png", "ratings": { "version": 5, "overall": { "rating": 1423.4287516103568, "deviation": 63.29863847989519, "volatility": 0.05997022175517961 } }, "ranking": 23.090402439013417, "professional": false, "ui_class": "" }, "description": "Just4Fun!\n\nMax 10 Spieler da RoundRobin\n\nSoll die Möglichkeit geben mal gegen \"Alle\" zu spielen, auch die, welche man nur gering kennt.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 6720, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 654, "name": "German Chat Community - GCC", "summary": "A group for internal games and entertainments of the German chat community", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://user-uploads.online-go.com/fd66cb8c163d549218526b0bcbc2b50e-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-01T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-01T13:00:25.602303Z", "ended": "2020-05-12T23:59:05.850228Z", "start_waiting": "2020-05-01T13:00:24.017442Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/fd66cb8c163d549218526b0bcbc2b50e-15.png", "player_count": 7, "ranked": true }, { "id": 55910, "name": "South Wales Open Online", "director": { "id": 57913, "username": "welshgoplayer", "country": "_Wales", "icon": "https://user-uploads.online-go.com/c83615f79f5ce04bb0f8fb3285432794-64.png", "ratings": { "version": 5, "overall": { "rating": 1714.8596864929577, "deviation": 66.02578629413847, "volatility": 0.06006063463307318 } }, "ranking": 27.40238364045381, "professional": false, "ui_class": "" }, "description": "Have Fun.", "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": 1056, "name": "Amguro Cymru/Welsh Go", "summary": "Gall Amguro Cymru a'i frindiau gwastrafu amser ar y we yma. Wales Go Club and friends can waste time on the Internet here. FB site here https://www.facebook.com/groups/18259266008 Discord https://discord.gg/YUw5PXYr", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 45, "icon": "https://user-uploads.online-go.com/e3e97d165f07879b01e4615acf6d18d4-64.png" }, "auto_start_on_max": false, "time_start": "2020-02-03T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-02-03T13:00:47.055401Z", "ended": "2020-07-11T10:16:22.547266Z", "start_waiting": "2020-02-03T13:00:46.446333Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e3e97d165f07879b01e4615acf6d18d4-15.png", "player_count": 7, "ranked": true }, { "id": 60146, "name": "Live 9x9 Double Elimination Tournament 2020-05-06 10:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-04T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "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": "2020-05-06T10:30:14.686438Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-06T10:30:16.611008Z", "ended": "2020-05-06T11:41:11.273489Z", "start_waiting": "2020-05-06T10:30:15.972886Z", "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": 60150, "name": "Experimental Learning Go Club Tournament", "director": { "id": 735901, "username": "nathanxmn", "country": "cn", "icon": "https://user-uploads.online-go.com/1a4b87da9a6e35c1166cc7ee093c09c1-64.png", "ratings": { "version": 5, "overall": { "rating": 1474.442432683206, "deviation": 61.08328809565482, "volatility": 0.06002702500153612 } }, "ranking": 23.905544766932575, "professional": false, "ui_class": "" }, "description": "Wednesday Nido Go Club mini-tournament.\n\nJoin our club discord chat to meet and play with other members.\nWe deliver official lessons on every Thursday flex.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 900 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4700, "name": "Nido 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"maximum_players": 100 }, "next_run": "2026-05-04T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "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": "2020-05-07T02:30:54.424289Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-07T02:30:56.070694Z", "ended": "2020-05-07T03:34:53.853088Z", "start_waiting": "2020-05-07T02:30:55.595496Z", "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": 60227, "name": "Live 19x19 Swiss Tournament 2020-05-08 12:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260504T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-04T04:00:48.982781Z", "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": 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"2020-05-24T11:30:28.692321Z", "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": 61000, "name": "Blitz 19x19 Elimination Tournament 2020-05-24 13:30", "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:20260504T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-04T05:00:48.985026Z", "lead_time_seconds": 1800, "tournament_type": "elimination", 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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": "2020-09-07T19:30:50.399878Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-09-07T19:31:49.343563Z", "ended": "2020-09-07T20:24:11.300029Z", "start_waiting": "2020-09-07T19:31:48.941922Z", "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 } ] }
