Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=59
{ "count": 60397, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=60", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=58", "results": [ { "id": 43554, "name": "Correspondence Weekly McMahon 19x19 2018-12-15 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260727T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-27T17:00:53.448073Z", "lead_time_seconds": 432000, 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"players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-12-15T17:00:35.585767Z", "ended": "2020-04-29T20:47:43.795342Z", "start_waiting": "2018-12-15T17:00:22.958109Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 63, "ranked": true }, { "id": 49174, "name": "August Correspondence tournament", "director": { "id": 607169, "username": "Koreadars", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/1910420678f28b78fe5b8898350c77ff-64.png", "ratings": { "version": 5, "overall": { "rating": 2357.1359340613008, "deviation": 75.92640303674303, "volatility": 0.0600299512870185 } }, "ranking": 34.76676980364381, "professional": false, "ui_class": "" }, "description": "Please note that bot players can’t play!", "schedule": null, "title": null, "tournament_type": "s_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": 3, "name": "OGS", "summary": "An open group for folks' who like OGS!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1799, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png" }, "auto_start_on_max": false, "time_start": "2019-08-01T07:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-08-01T07:00:28.670243Z", "ended": "2021-02-27T23:08:03.810655Z", "start_waiting": "2019-08-01T07:00:04.966497Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png", "player_count": 63, "ranked": true }, { "id": 36685, "name": "Mita 2018", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 776.0568204650347, "deviation": 65.1944237557439, "volatility": 0.05993216649471857 } }, "ranking": 9.047656096247819, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 28800, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 119, "name": "TOKYO GO!", "summary": "Tokyo Go Players Meet Together!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 44, "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-64.png" }, "auto_start_on_max": false, "time_start": "2018-06-15T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-15T16:00:56.950338Z", "ended": "2021-10-06T20:49:58.383416Z", "start_waiting": "2018-06-15T16:00:54.363040Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/219c1747de3336cf873d86fba3f9f999-15.png", "player_count": 63, "ranked": true }, { "id": 97372, "name": "Monthly Simultaneous McMahon 2022-12-16 17:00", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260701T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-07-01T17:00:17.531176Z", "lead_time_seconds": 1296000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-08-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2022-12-16T17:00:38.203686Z", "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-12-16T17:01:39.038259Z", "ended": "2024-04-10T09:00:27.612915Z", "start_waiting": "2022-12-16T17:01:35.471888Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 63, "ranked": true }, { "id": 112847, "name": "🐲Speedy Tournament 2024 II🚀", "director": { "id": 629701, "username": "Sipjin", "country": "eu", "icon": "https://user-uploads.online-go.com/5d60113dc259ac2f8bd5d6e440632725-64.png", "ratings": { "version": 5, "overall": { "rating": 1446.0368423164105, "deviation": 63.418905085087935, "volatility": 0.05977950296456311 } }, "ranking": 23.455200770193542, "professional": false, "ui_class": "" }, "description": "============================\n\nFor players who like to play fast games.\n\nNo conditional moves or analysis during the game.\n\nFeel free to give tips to your partner after the game.\n\nPlease no bots. The use of AI is not allowed.\n\n============================", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 30168, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 172800, "period_time": 172800, "stones_per_period": 6 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13788, "name": "Just use your brain 🦧", "summary": "A group for players who like to play Go with just their skills (no in-game analysis) and want to train and improve.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 136, "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-64.png" }, "auto_start_on_max": false, "time_start": "2024-04-02T18:00:00Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2024-04-02T18:00:43.552448Z", "ended": "2025-01-24T12:39:03.359500Z", "start_waiting": "2024-04-02T18:00:42.726659Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-15.png", "player_count": 63, "ranked": true }, { "id": 74651, "name": "⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️⚫️⚪️", "director": { "id": 126739, "username": "🐬Sofiam🐬", "country": "_Olimpic_Movement", "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png", "ratings": { "version": 5, "overall": { "rating": 1012.0554496406809, "deviation": 84.91308607572303, "volatility": 0.076882078105041 } }, "ranking": 15.194279748149173, "professional": false, "ui_class": "" }, "description": "Everyone is welcome", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 2419200, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 0, "period_time": 2419200, "periods": 1 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 363, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": false, "time_start": "2021-12-02T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-12-02T10:00:33.613954Z", "ended": null, "start_waiting": "2021-12-02T10:00:32.796788Z", "board_size": 19, "active_round": 7, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 62, "ranked": true }, { "id": 57697, "name": "Beat the kyu be the dan 2020", "director": { "id": 281554, "username": "TYDC", "country": "_DOOP", "icon": "https://user-uploads.online-go.com/bbd482f273f613d97a246c2d297b822c-64.png", "ratings": { "version": 5, "overall": { "rating": 1709.9883072499783, "deviation": 62.79023969614443, "volatility": 0.05993747032244878 } }, "ranking": 27.33652815972488, "professional": false, "ui_class": "" }, "description": "Rehosted ( Mcmahon -> Simul Mcmahon)\nIt has been few years since I started this series. For many go players, breaking through Dan level is a desirable achievement. It does not matter how long does it take; as long as we love Go, playing is enjoyable at all levels. \nThis series is intended for competitive SDK players on OGS. Players who become Dan in this tournament will get their names honored on the tournament record. Enjoy!", "schedule": null, "title": null, "tournament_type": "s_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": 20, "name": "Single Digit Kyu Room", "summary": "A room for SDK's \r\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 761, "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-19T14:00:00Z", "players_start": 100, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 26, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-18T14:32:28.131711Z", "ended": "2024-10-16T04:01:54.601009Z", "start_waiting": "2020-04-18T14:32:11.749905Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png", "player_count": 62, "ranked": true }, { "id": 22208, "name": "Correspondence Weekly McMahon 19x19 2016-11-19 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260727T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-27T17:00:53.448073Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-08-03T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "pause_on_weekends": true, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-11-19T17:00:35.610100Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-11-19T17:01:08.644352Z", "ended": "2018-03-23T18:32:01.898591Z", "start_waiting": "2016-11-19T17:00:55.192180Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 62, "ranked": true }, { "id": 26756, "name": "Correspondence Weekly McMahon 19x19 2017-05-06 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260727T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-27T17:00:53.448073Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-08-03T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "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": "2017-05-06T17:00:51.938242Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-05-06T17:02:01.029813Z", "ended": "2018-07-13T12:33:56.687668Z", "start_waiting": "2017-05-06T17:01:46.766781Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 62, "ranked": true }, { "id": 24485, "name": "Correspondence Weekly McMahon 19x19 2017-02-11 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260727T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-27T17:00:53.448073Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-08-03T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "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": "2017-02-11T17:00:19.487444Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-02-11T17:00:38.202457Z", "ended": "2018-04-10T09:42:44.497964Z", "start_waiting": "2017-02-11T17:00:20.344748Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 62, "ranked": true } ] }
