Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1001
{ "count": 60542, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1002", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1000", "results": [ { "id": 71270, "name": "9x9 Traditional monthly tournament III/21", "director": { "id": 598257, "username": "Lukyn", "country": "cz", "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png", "ratings": { "version": 5, "overall": { "rating": 1043.2038470007367, "deviation": 64.96511123800879, "volatility": 0.05997200360948492 } }, "ranking": 15.896031216566909, "professional": false, "ui_class": "supporter" }, "description": "Have fun!", "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": true, "time_start": "2021-03-01T00:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-02-26T15:47:57.316760Z", "ended": "2021-05-11T23:59:03.839752Z", "start_waiting": "2021-02-26T15:47:56.049206Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 10, "ranked": true }, { "id": 137979, "name": "9x9 Mini League 10k-25k #374", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1391.089509977578, "deviation": 69.6683831254965, "volatility": 0.06026685312493133 } }, "ranking": 22.558385004083966, "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": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-03-08T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-07T07:15:23.618550Z", "ended": "2026-04-13T14:34:42.562596Z", "start_waiting": "2026-03-07T07:15:23.349492Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 36058, "name": "Crown of Slugs", "director": { "id": 351937, "username": "barney.stratford", "country": "ua", "icon": "https://user-uploads.online-go.com/57d0bac0bf226860c2d861eab72ea31f-64.png", "ratings": { "version": 5, "overall": { "rating": 1294.559769166008, "deviation": 66.3003117798745, "volatility": 0.06002866316646163 } }, "ranking": 20.893516420687295, "professional": false, "ui_class": "" }, "description": "Leeches like slugs, so the prize, kindly donated by GoldAndAppel, is a crown made of stapled-together slugs.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1918, "name": "League of Leeches🐌🐍", "summary": "https://online-go.com/game/9051373", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-64.png" }, "auto_start_on_max": false, "time_start": "2018-04-04T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-04-04T22:00:34.748138Z", "ended": "2018-09-23T17:14:37.286008Z", "start_waiting": "2018-04-04T22:00:34.306342Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-15.png", "player_count": 4, "ranked": true }, { "id": 99128, "name": "trews", "director": { "id": 1262572, "username": "coati", "country": "002", "icon": "https://secure.gravatar.com/avatar/150aaa6db5004e4c7c20fe97e9d12bc4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1123.2639070297118, "deviation": 65.96186734802812, "volatility": 0.060044161730389456 } }, "ranking": 17.607789675901138, "professional": false, "ui_class": "" }, "description": "dwecd", "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": 11035, "name": "Pokémon", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 14, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2023-01-19T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-10-25T15:12:36.308246Z", "ended": "2024-02-01T16:45:35.566704Z", "start_waiting": "2023-10-25T15:12:36.040897Z", "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": 88160, "name": "9x9 Mini League 1k-9k #15", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1391.089509977578, "deviation": 69.6683831254965, "volatility": 0.06026685312493133 } }, "ranking": 22.558385004083966, "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": 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": 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": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2022-04-17T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-17T17:35:32.707464Z", "ended": "2022-05-02T19:07:30.757070Z", "start_waiting": "2022-04-17T17:35:32.552347Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 111433, "name": "Sunday GO 18", "director": { "id": 1393499, "username": "Imtiyaz", "country": "th", "icon": "https://user-uploads.online-go.com/56a672954f96d68180eb8444196aec12-64.png", "ratings": { "version": 5, "overall": { "rating": 1031.7404190356524, "deviation": 64.94380758120344, "volatility": 0.060031708646298344 } }, "ranking": 15.640235374949347, "professional": false, "ui_class": "" }, "description": "Don't forget to join the group", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 311, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 300, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13675, "name": "Sunday GO and MORE", "summary": "You can't miss this group, join now!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 112, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png" }, "auto_start_on_max": false, "time_start": "2024-01-21T15:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-21T15:00:58.429331Z", "ended": "2024-01-21T15:36:57.687267Z", "start_waiting": "2024-01-21T15:00:58.334509Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png", "player_count": 9, "ranked": true }, { "id": 105897, "name": "Debate Club Tournament Of August 2023", "director": { "id": 1326663, "username": "XxDanieldaOtakuxX", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/a51c61ad371c4f2621c5ad2d44fda7fa-64.png", "ratings": { "version": 5, "overall": { "rating": 950.2495113712463, "deviation": 67.80723575223263, "volatility": 0.060129919277886315 } }, "ranking": 13.735504564197907, "professional": false, "ui_class": "" }, "description": "The Tournament Of The Debate Club\n\n\n\nAnybody may join, whether in the Club or not\n\n(Also I've never made a tournament so I don't know some of the setting's terms)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 267406, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 1036800, "period_time": 259200, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13156, "name": "Debate Club", "summary": "Every opinion counts", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/3bd678e5a688ae92be2c6de985828281-64.png" }, "auto_start_on_max": false, "time_start": "2023-08-01T17:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-01T17:30:52.309920Z", "ended": "2025-05-01T22:54:36.437311Z", "start_waiting": "2023-08-01T17:30:52.171501Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3bd678e5a688ae92be2c6de985828281-15.png", "player_count": 6, "ranked": true }, { "id": 67824, "name": "salva360", "director": { "id": 776447, "username": "salvador.primaria2", "country": "mx", "icon": "https://user-uploads.online-go.com/23d35e5e3d948845e69fdaf8506e59fc-64.png", "ratings": { "version": 5, "overall": { "rating": 1220.4937879075337, "deviation": 67.5165475193786, "volatility": 0.06009537994851612 } }, "ranking": 19.529630241628304, "professional": false, "ui_class": "" }, "description": "22222222222222226473773737373833737377373638272338373389373673837637393763837563838", "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": 129600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5581, "name": "Colegio Serapio Rendón // Kinder - Primaria", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 200, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-14T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-11-15T13:42:21.667674Z", "ended": "2021-03-11T12:30:09.346116Z", "start_waiting": "2020-11-15T13:42:21.467830Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png", "player_count": 4, "ranked": true }, { "id": 71938, "name": "Correspondence 13x13 RoundRobin 2021-02-27 19:00", "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:20260805T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-05T19:00:16.769162Z", "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": "2026-08-08T19:00:00Z", "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, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-02-27T19:00:17.066785Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-02-27T19:00:19.375847Z", "ended": "2021-05-29T06:54:07.733912Z", "start_waiting": "2021-02-27T19:00:17.714412Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 63300, "name": "Mega tournament three", "director": { "id": 736023, "username": "2026vs.", "country": "hk", "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png", "ratings": { "version": 5, "overall": { "rating": 1529.4955917779457, "deviation": 63.196335111054026, "volatility": 0.060307009572073786 } }, "ranking": 24.754179686665076, "professional": false, "ui_class": "" }, "description": "9x9tournament", "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": false, "group": { "id": 5351, "name": "2025vs ", "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 194, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png" }, "auto_start_on_max": false, "time_start": "2020-08-30T16:00:00Z", "players_start": 25, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-08-19T04:52:24.876474Z", "ended": "2021-04-12T21:09:20.567213Z", "start_waiting": "2020-08-19T04:52:24.118262Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png", "player_count": 36, "ranked": true } ] }
