Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=3571
{ "count": 59380, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3572", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=3570", "results": [ { "id": 59712, "name": "Puro ni mizasu !!", "director": { "id": 764387, "username": "Okada", "country": "dz", "icon": "https://user-uploads.online-go.com/802895d19d034739ed95a706fd9e6c5f-64.png", "ratings": { "version": 5, "overall": { "rating": 898.1750540844837, "deviation": 63.756948127042236, "volatility": 0.06004438933045687 } }, "ranking": 12.430779670924041, "professional": false, "ui_class": "" }, "description": "good play :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 320, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 300, "initial_time": 1800, "max_time": 1800 }, "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": 805, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-27T13:10:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-13T16:47:33.400995Z", "ended": "2020-05-13T18:05:36.293367Z", "start_waiting": "2020-05-13T16:47:32.553289Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 4, "ranked": true }, { "id": 55770, "name": "BASGO Chess & Go Tournament Series 1th", "director": { "id": 680909, "username": "Naci Erdem", "country": "tr", "icon": "https://user-uploads.online-go.com/6905d6ea73c6f243a07e301d31650cef-64.png", "ratings": { "version": 5, "overall": { "rating": 756.8560448505139, "deviation": 71.08402662824182, "volatility": 0.06003015454350726 } }, "ranking": 8.467686792216096, "professional": false, "ui_class": "" }, "description": "Balıkesir Satranç ve Go Kulübünün organizasyonudur.", "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": true, "group": { "id": 4358, "name": "BASGO Chess & Go Clup - Balıkesir", "summary": "Balıkesir Satranç ve Go Kulübü", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://user-uploads.online-go.com/749584049c3f3d46faa030696b63687b-64.png" }, "auto_start_on_max": false, "time_start": "2020-01-20T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-20T20:00:27.750448Z", "ended": "2020-05-13T17:51:50.740077Z", "start_waiting": "2020-01-20T20:00:27.207383Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/749584049c3f3d46faa030696b63687b-15.png", "player_count": 4, "ranked": true }, { "id": 60438, "name": "Test Tournament 9x9", "director": { "id": 8591, "username": "Paul Smith", "country": "gb", "icon": "https://user-uploads.online-go.com/137217ef964f2be1ed28638cde3f867f-64.png", "ratings": { "version": 5, "overall": { "rating": 1776.2649520202158, "deviation": 81.46902594694446, "volatility": 0.05998981464340914 } }, "ranking": 28.21683666936091, "professional": false, "ui_class": "" }, "description": "A quick 3 round 9x9 tournament to see how the automatic tournaments on OGS work. If it works well, we'll have some more tournaments later on bigger size boards!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "aga", "time_per_move": 3, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "blitz", "pause_on_weekends": false, "total_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4739, "name": "British Go Association Youth", "summary": "British Go Association's group for youth players. Some adult helpers are also members.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 156, "icon": "https://user-uploads.online-go.com/32f8f5b2bf687d438316b083f862d81f-64.png" }, "auto_start_on_max": false, "time_start": "2020-05-13T16:35:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-05-13T16:35:32.606658Z", "ended": "2020-05-13T17:02:12.680471Z", "start_waiting": "2020-05-13T16:35:32.082705Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/32f8f5b2bf687d438316b083f862d81f-15.png", "player_count": 5, "ranked": true }, { "id": 59887, "name": "Bootcamp dia 1.", "director": { "id": 39705, "username": "RicardoSS", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/3e98e14b6d78c9c77f4a1b83403816f5-64.png", "ratings": { "version": 5, "overall": { "rating": 1373.6760184907394, "deviation": 76.37089042383647, "volatility": 0.060034318475352545 } }, "ranking": 22.266767031832742, "professional": false, "ui_class": "" }, "description": "Torneio \"rápido\" para teste.", "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": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5304, "name": "EQUIPE", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 10, "icon": "https://user-uploads.online-go.com/8f19b73f4ca400338f26b47bfd38e0ab-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-30T18:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-01T01:37:54.988116Z", "ended": "2020-05-13T16:53:03.446976Z", "start_waiting": "2020-05-01T01:37:54.769734Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/8f19b73f4ca400338f26b47bfd38e0ab-15.png", "player_count": 2, "ranked": true }, { "id": 50723, "name": "OGT 5. Go Turnuvası", "director": { "id": 615578, "username": "Muhammed Alperen Yaşar", "country": "tr", "icon": "https://user-uploads.online-go.com/e5b88cdec6f4e20f0420257666d7c05e-64.png", "ratings": { "version": 5, "overall": { "rating": 1567.7271262956808, "deviation": 62.05939195674466, "volatility": 0.05994201110747963 } }, "ranking": 25.32572720576222, "professional": false, "ui_class": "" }, "description": "Herkese başarılar!", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3526, "name": "Online Go Topluluğu", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 72, "icon": "https://user-uploads.online-go.com/bb0d3bc225956c302c496d2504182cfc-64.png" }, "auto_start_on_max": true, "time_start": "2019-08-03T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-08-03T11:00:09.143096Z", "ended": "2020-05-13T16:31:09.495602Z", "start_waiting": "2019-08-03T11:00:08.168230Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bb0d3bc225956c302c496d2504182cfc-15.png", "player_count": 17, "ranked": true }, { "id": 60467, "name": "Blitz 13x13 Swiss Tournament 2020-05-13 15:30", "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 Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260214T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-02-14T07:00:19.920480Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-02-14T11:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 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": "2020-05-13T15:30:28.540871Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-13T15:30:31.509202Z", "ended": "2020-05-13T16:21:50.051119Z", "start_waiting": "2020-05-13T15:30:29.750562Z", "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": 60465, "name": "Live 9x9 Double Elimination Tournament 2020-05-13 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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260214T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-14T06:00:19.910547Z", "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": "2026-02-14T10:00:00Z", "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": "2020-05-13T14:30:26.224687Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-13T14:30:28.349480Z", "ended": "2020-05-13T15:08:40.722586Z", "start_waiting": "2020-05-13T14:30:27.411667Z", "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": 54814, "name": "Irish Correspondence Championship 2020 Division C", "director": { "id": 430, "username": "rottenhat", "country": "ie", "icon": "https://user-uploads.online-go.com/39625f5d6aa9484f8212327bf6eb9290-64.png", "ratings": { "version": 5, "overall": { "rating": 1781.280091736795, "deviation": 62.057718815549876, "volatility": 0.05995437910309559 } }, "ranking": 28.28210671368644, "professional": false, "ui_class": "" }, "description": "Message rottenhat by December 15th to join. Multiple brackets if we get enough players. Open to anyone who is Irish, has ever lived in Ireland, is married or otherwise related to someone Irish, or has any connection to Irish go, however tenuous.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 99840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 1209600, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 858, "name": "Ireland", "summary": "For Irish go players, and friends of Irish go, wherever they may roam...", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 206, "icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-64.png" }, "auto_start_on_max": false, "time_start": "2020-01-01T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-01-01T08:00:45.003249Z", "ended": "2020-05-13T14:35:43.904010Z", "start_waiting": "2020-01-01T08:00:43.917873Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8989a3e10859e69fe3e05106fc9f6be1-15.png", "player_count": 5, "ranked": true }, { "id": 59942, "name": "May 1st class", "director": { "id": 751261, "username": "stone_clearview", "country": "un", "icon": "https://secure.gravatar.com/avatar/1f205580d015f22eb043c1adc4a96ed4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1637.3064287948112, "deviation": 86.10308706968758, "volatility": 0.05999506067863534 } }, "ranking": 26.331029612642748, "professional": false, "ui_class": "" }, "description": "May 1st class", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 93120, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5423, "name": "ClearView 2", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 16, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-05-01T19:46:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-05-01T19:46:39.295829Z", "ended": "2020-05-13T14:26:46.457298Z", "start_waiting": "2020-05-01T19:46:38.893708Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 60459, "name": "Live 9x9 Double Elimination Tournament 2020-05-13 10:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260214T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-14T06:00:19.910547Z", "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": "2026-02-14T10:00:00Z", "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": "2020-05-13T10:30:16.867814Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-05-13T10:30:18.983432Z", "ended": "2020-05-13T11:08:23.935873Z", "start_waiting": "2020-05-13T10:30:18.011878Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true } ] }
