Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=855
{ "count": 59203, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=856", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=854", "results": [ { "id": 113907, "name": "all let's go 19x19 Ranking", "director": { "id": 1524099, "username": "머그향", "country": "zz", "icon": "https://user-uploads.online-go.com/5a8060ca75c44307eaaa50e4ad92eefc-64.png", "ratings": { "version": 5, "overall": { "rating": 1350.636230852244, "deviation": 76.13922605685278, "volatility": 0.060001933073102684 } }, "ranking": 21.875193855497308, "professional": false, "ui_class": "" }, "description": "player level", "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": 14119, "name": "신중하게 두자", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-64.png" }, "auto_start_on_max": true, "time_start": "2024-06-16T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-06-16T07:00:47.067863Z", "ended": "2024-07-30T21:39:46.343488Z", "start_waiting": "2024-06-16T07:00:46.995075Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-15.png", "player_count": 4, "ranked": true }, { "id": 113722, "name": "19x19 Open D.E. Cup #65", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1376.0894471462334, "deviation": 71.32601664207745, "volatility": 0.0601482599888588 } }, "ranking": 22.307403870442624, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 67, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2024-03-24T22:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-03-19T00:19:31.752235Z", "ended": "2024-07-30T19:32:51.966179Z", "start_waiting": "2024-03-19T00:19:31.634257Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 118643, "name": "Live 9x9 Double Elimination Tournament 2024-07-30 18:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260126T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-26T14:00:25.782473Z", "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": "2026-01-26T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2024-07-30T18:30:17.445741Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-07-30T18:31:17.525576Z", "ended": "2024-07-30T19:31:03.468361Z", "start_waiting": "2024-07-30T18:31:17.445453Z", "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 }, { "id": 117548, "name": "LGC 19x19 AGA MacMahon Correspondence Tournament #1", "director": { "id": 1577611, "username": "igonin", "country": "001", "icon": "https://user-uploads.online-go.com/8de74adceeba7366208e2a4bab72919d-64.png", "ratings": { "version": 5, "overall": { "rating": 1646.438268436185, "deviation": 84.81038633278311, "volatility": 0.05999211831414674 } }, "ranking": 26.459786658121995, "professional": false, "ui_class": "" }, "description": "Welcome to the LGC 19x19 AGA MacMahon Correspondence Tournament #1", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "aga", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14398, "name": "London Go Centre", "summary": "Welcome to the London Go Centre group.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 49, "icon": "https://user-uploads.online-go.com/2c1852a781345ae34218abd493c9e85f-64.png" }, "auto_start_on_max": false, "time_start": "2024-07-01T08:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-07-01T08:00:59.626504Z", "ended": "2024-07-30T16:39:19.830009Z", "start_waiting": "2024-07-01T08:00:59.450625Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2c1852a781345ae34218abd493c9e85f-15.png", "player_count": 10, "ranked": true }, { "id": 116419, "name": "9x9 New Zealand Handicap League #6", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "All players welcome. 10 players. Starts only when full.\n\nNew Zealand rules. 9x9 board. Handicap games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "nz", "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": false, "group": { "id": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 81, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2024-06-27T03:09:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-06-25T20:35:57.131119Z", "ended": "2024-07-30T16:38:25.180350Z", "start_waiting": "2024-06-25T20:35:56.393911Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 10, "ranked": true }, { "id": 116466, "name": "Potato War 1 9x9", "director": { "id": 1566979, "username": "deleted-1afff838-2fb5-4076-9f50-eed2f1c3e010", "country": "ca", "icon": "https://user-uploads.online-go.com/4910280fa15173fbd5ba4debac694b9d-64.png", "ratings": { "version": 5, "overall": { "rating": 1804.967023317034, "deviation": 62.75159044446885, "volatility": 0.06006257070626281 } }, "ranking": 28.587919683451016, "professional": false, "ui_class": "" }, "description": "Hello and welcome to another potato war tournament. \n\nTournament type: Swiss \nTime per move: 36 hours\nPause on weekends: YES\nBoard: 9x9\n\nGOOD LUCK!\n\nJoin group in order to join tournament.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 129600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 129600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14324, "name": "TechnobladeSMP", "summary": "Technoblade never dies in vain. Join this group to honor him as a whole.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 111, "icon": "https://user-uploads.online-go.com/a3ee0e9a7be816955d13897b5f517524-64.png" }, "auto_start_on_max": false, "time_start": "2024-06-14T16:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-06-14T16:00:46.361314Z", "ended": "2024-07-30T16:34:52.284303Z", "start_waiting": "2024-06-14T16:00:46.244289Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/a3ee0e9a7be816955d13897b5f517524-15.png", "player_count": 9, "ranked": true }, { "id": 118639, "name": "Live 9x9 Double Elimination Tournament 2024-07-30 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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260126T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-26T14:00:25.782473Z", "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": "2026-01-26T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2024-07-30T14:30:17.402679Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-07-30T14:31:17.516238Z", "ended": "2024-07-30T15:19:06.046321Z", "start_waiting": "2024-07-30T14:31:17.399862Z", "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 }, { "id": 98492, "name": "Monthly Simultaneous McMahon 2023-01-16 17:00", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260101T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-01-01T17:00:46.130489Z", "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": "2026-02-01T17:00:00Z", "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": "2023-01-16T17:00:40.858082Z", "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-16T17:01:18.536436Z", "ended": "2024-07-30T12:48:13.297103Z", "start_waiting": "2023-01-16T17:01:12.559717Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 60, "ranked": true }, { "id": 118635, "name": "Live 9x9 Double Elimination Tournament 2024-07-30 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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260126T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-26T14:00:25.782473Z", "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": "2026-01-26T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2024-07-30T10:30:17.336028Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-07-30T10:31:17.413569Z", "ended": "2024-07-30T11:16:56.409893Z", "start_waiting": "2024-07-30T10:31:17.338132Z", "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 }, { "id": 114118, "name": "Friendly tournament", "director": { "id": 1502223, "username": "Chacrou", "country": "fr", "icon": "https://secure.gravatar.com/avatar/c5c580fbf1b6e0a28d0bdb7a4aec92c9?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1014.0711132753979, "deviation": 61.085147801634264, "volatility": 0.060046142381768204 } }, "ranking": 15.240340669901784, "professional": false, "ui_class": "" }, "description": "Tournament", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 96625, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13697, "name": "𝓞𝓷𝓵𝓲𝓷𝓮 𝓖𝓸 𝓣𝓸𝓾𝓻𝓷𝓪𝓶𝓮𝓷𝓽", "summary": "Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 93, "icon": "https://user-uploads.online-go.com/9e17e96c684c6fa6c7eb16a8ba4be685-64.png" }, "auto_start_on_max": false, "time_start": "2024-04-03T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-03T10:00:43.355499Z", "ended": "2024-07-30T07:23:40.299447Z", "start_waiting": "2024-04-03T10:00:42.960049Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/9e17e96c684c6fa6c7eb16a8ba4be685-15.png", "player_count": 6, "ranked": true } ] }
