Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1709
{ "count": 60889, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1710", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1708", "results": [ { "id": 71616, "name": "noob swser", "director": { "id": 844218, "username": "lolroblox", "country": "au", "icon": "https://user-uploads.online-go.com/898603eb835a4063bf795672200accce-64.png", "ratings": { "version": 5, "overall": { "rating": 1319.9778490137012, "deviation": 64.3683573753299, "volatility": 0.05999444409408204 } }, "ranking": 21.343651147118212, "professional": false, "ui_class": "" }, "description": "whoa dd", "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, 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"first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-09-03T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-08-10T19:00:52.913457Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-10T19:00:53.464278Z", "ended": "2026-06-06T23:12:47.992363Z", "start_waiting": "2025-08-10T19:00:53.043734Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 93797, "name": "soccer", "director": { "id": 839136, "username": "Soccer is awesome", "country": "_Starfleet", "icon": "https://user-uploads.online-go.com/48e6240dacac17c93414108e4283e0b2-64.png", "ratings": { "version": 5, "overall": { "rating": 891.2546598674192, "deviation": 66.36813968008407, "volatility": 0.06001779878165622 } }, "ranking": 12.251719355114881, "professional": false, "ui_class": "" }, "description": "this is going to be a fun tornament", "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", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7879, "name": "Soccer", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-08-22T20:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-08-22T20:00:17.417203Z", "ended": "2022-09-21T22:50:18.455731Z", "start_waiting": "2022-08-22T20:00:17.313234Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 126796, "name": "Handicap Arena 2025 - 021", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.5360966436072, "deviation": 65.4413845331384, "volatility": 0.06006636837820493 } }, "ranking": 17.21856351304612, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 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": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-03-28T18:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-27T05:16:04.636919Z", "ended": "2025-11-25T18:55:57.133517Z", "start_waiting": "2025-03-27T05:16:04.127549Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 71064, "name": "go h aaa2", "director": { "id": 751875, "username": "eyeeh4578", "country": "us", "icon": "https://user-uploads.online-go.com/c3a97b7960be52a39e13967baac63898-64.png", "ratings": { "version": 5, "overall": { "rating": 1362.9752330208305, "deviation": 73.4583146996863, "volatility": 0.060024784676947135 } }, "ranking": 22.0857250039004, "professional": false, "ui_class": "" }, "description": "epic win game\n\ndo not lose", "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": false, "group": { "id": 4993, "name": "Hardee's", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-02-06T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-02-06T07:34:22.664655Z", "ended": "2021-02-06T09:40:54.372142Z", "start_waiting": "2021-02-06T07:34:22.355039Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 127812, "name": "π·πΌπΈπΉπΊππ»πΠ‘ Π΄Π½Π΅ΠΌ 1 ΠΌΠ°Ρπ·πΌπΈπΉπΊππ»π", "director": { "id": 1707341, "username": "Π°Π±ΡΠΈΠΊΠΎΡΠΈΠΊ ΠΊoΡΠΈΠΊ", "country": "kz", "icon": "https://user-uploads.online-go.com/ee34d369ea0cd149373bf34337fb8672-64.png", "ratings": { "version": 5, "overall": { "rating": 469.5287450902599, "deviation": 70.48489661058206, "volatility": 0.06020834733651045 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "π·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊπ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»ππ·πΌπΈπΉπΊππ»πππ»ππ·πΌπΈπΉπΊππ»π", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": 15186, "name": "Π’Π°ΡΠ°Ρ ΡΣ©ΡΠΊΠ΅ΠΌΠ΅", "summary": "\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-64.png" }, "auto_start_on_max": false, "time_start": "2025-04-24T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-21T08:24:16.034408Z", "ended": null, "start_waiting": "2025-08-21T08:24:15.955149Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/2841cf3b6190d9e3c4aa27d67e7f5aef-15.png", "player_count": 4, "ranked": true }, { "id": 143477, "name": "19x19 Traditional monthly tournament I/27", "director": { "id": 929191, "username": "EnsoZEN", "country": "cz", "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png", "ratings": { "version": 5, "overall": { "rating": 1463.5820448380764, "deviation": 67.30723430909097, "volatility": 0.06004488935091738 } }, "ranking": 23.734396346844115, "professional": false, "ui_class": "" }, "description": "βΈοΈ Have ZEN!π§", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 46, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2027-01-01T00:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 2, "ranked": true }, { "id": 130737, "name": "Zodiac Tournament", "director": { "id": 831547, "username": "IscΔ±menOzgur", "country": "tr", "icon": "https://user-uploads.online-go.com/d6668877ce9aa2beeac7364df9728eb0-64.png", "ratings": { "version": 5, "overall": { "rating": 1547.8645751482813, "deviation": 66.76208019675295, "volatility": 0.060106013779653134 } }, "ranking": 25.030550987062494, "professional": false, "ui_class": "" }, "description": "Start playing and enjoy!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "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": 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": 831, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2025-07-27T20:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-27T20:00:05.524985Z", "ended": "2025-10-01T21:26:26.213336Z", "start_waiting": "2025-07-27T20:00:05.370347Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 5, "ranked": true }, { "id": 9730, "name": "Correspondence 13x13 RoundRobin 2015-08-07 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260829T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-29T19:00:31.898315Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-09-01T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, 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