Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-ended&page=79
{ "count": 60466, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=80", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-ended&page=78", "results": [ { "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": 130898, "name": "Correspondence Weekly McMahon 19x19 2025-08-02 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 Site-wide 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": 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 24, "ranked": true }, { "id": 115058, "name": "idk what to name it", "director": { "id": 1538261, "username": "Totally not kyu", "country": "th", "icon": "https://user-uploads.online-go.com/3558bfbccb4e0091c4bec6b1b421ab47-64.png", "ratings": { "version": 5, "overall": { "rating": 1731.2420929218047, "deviation": 217.64429451104508, "volatility": 0.05999798197535522 } }, "ranking": 27.62249064257909, "professional": false, "ui_class": "provisional" }, "description": "lose=death", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 256280, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 1814400, "period_time": 1209600, "stones_per_period": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11534, "name": "The G.O.A.Ts family", "summary": "<div style=\"borderr: 3px dashed #FFAFB0;background-color:#696969\">\n\n<h1><p style=\"color:#FFAFB0;\"> \nWelcome to group page!!!</p></h1>\n\n<b class=\"hr anim\"></b>\n\n<embed src=\"https://youtube.com/embed/0gG6dF-JTUo\"></embed>\n\n<p style=\"color:#FFAFB0;\"> \nListeni", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 44, "icon": "https://user-uploads.online-go.com/e067d02f314853a7758941027719b4a6-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T05:00:35.732438Z", "ended": null, "start_waiting": "2025-01-01T05:00:35.608611Z", "board_size": 19, "active_round": 3, "icon": "https://user-uploads.online-go.com/e067d02f314853a7758941027719b4a6-15.png", "player_count": 9, "ranked": true }, { "id": 125461, "name": "igo club 1", "director": { "id": 907967, "username": "takana", "country": "un", "icon": "https://user-uploads.online-go.com/f9d859367692cd1f22659bf129603616-64.png", "ratings": { "version": 5, "overall": { "rating": 800.4234060051825, "deviation": 66.12919719489572, "volatility": 0.06010240966465491 } }, "ranking": 9.763340786621097, "professional": false, "ui_class": "" }, "description": "誰でもいいですよ\n19✕19", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 2438347, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 2419200, "period_time": 2419200, "periods": 10 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15077, "name": "igo club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-02-28T22:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-28T22:00:51.494404Z", "ended": null, "start_waiting": "2025-02-28T22:00:51.431719Z", "board_size": 19, "active_round": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 139018, "name": "Correspondence Weekly McMahon 19x19 2026-04-11 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 Site-wide 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": 88451, "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": "2026-04-11T17:00:17.897314Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-11T17:00:39.886125Z", "ended": null, "start_waiting": "2026-04-11T17:00:34.845352Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 35, "ranked": true }, { "id": 140579, "name": "Honinbo Main 2019 Title Match - Board 4", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1960.4795623892649, "deviation": 67.18057200617066, "volatility": 0.060157298760945124 } }, "ranking": 30.501193011206507, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nHoninbo Main 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:red\" href='https://online-go.com/user/view/43936/'>Sadaharu [Honinbo] x2+1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td><b>Board 1</b></td>\n\t<td><b>Board 2</b></td>\n\t<td><b>Board 3</b></td>\n\t<td><b>Board 4</b></td>\n\t<td><b>Board 5</b></td>\n</tr>\n<tr>\n\t<td>13th</td>\n\t<td>2019</td>\n\t<td style=\"color:red\">Honinbo</td>\n\t<td>Main</td>\n\t<td><a style=\"color:red\" href='https://online-go.com/player/43936/'>Sadaharu [Honinbo]</a></td>\n<!-- \t<td><a href='https://online-go.com/player/3696/'>Neandertaler [3d]</a></td> -->\n\t<td><a href='https://online-go.com/player/418737/'>Puffin888 [6d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88115370'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88487547'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88487575'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/140579'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/140580'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a style='color:red' href='https://online-go.com/tournament/48518'>Honinbo Main Title Tournament 2019</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3005, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2026-07-05T03:14:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2026-07-05T03:14:18.035617Z", "ended": null, "start_waiting": "2026-07-05T03:14:18.003795Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 139277, "name": "19x19 Open D.E. Cup #170", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1334.9516763494792, "deviation": 71.78316198174575, "volatility": 0.060265043890392896 } }, "ranking": 21.60478634873523, "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": 81, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-04-26T21:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-23T19:46:30.315783Z", "ended": null, "start_waiting": "2026-04-23T19:46:30.102935Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 139499, "name": "Handicap Arena 2026 - 033", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1062.090891506954, "deviation": 64.22771160417344, "volatility": 0.06007221381796831 } }, "ranking": 16.31140945585269, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2026. 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": "2026-04-24T14:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-23T19:46:16.599807Z", "ended": null, "start_waiting": "2026-04-23T19:46:15.497327Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true } ] }
