Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=1026
{ "count": 60466, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=1027", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=1025", "results": [ { "id": 112658, "name": "Alan Turing Nines Title Tournament 2023", "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": "Alan Turing Nines Title Tournament 2023\n\nTitle Holder:\n<a style=\"color:orange\" href='https://online-go.com/player/43936/'>Sadaharu [Nines Alan Turing]</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">\n\tTitle Tournament Winner\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_9.png' alt='Gold'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament Runner-up\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_9.png' alt='Silver'></img>\n\t</th>\n\t<th style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place\n\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_9.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2448'>2010</a></td>\n\t<td><b>Aloril</b></td><td></td><td></td>\n\t<td><b>Aloril (3d)</b></td><td>vitality (5d)</td><td>KlausP (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2452'>2011</a></td>\n\t<td><b>Valkyria9</b></td><td><a href='https://online-go.com/tournament/2542'>5-0</a></td><td>Aloril</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>zealot (3d)</td><td>devariot (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2470'>2012</a></td>\n\t<td><b>Valkyria9</b></td><td><a href='https://online-go.com/tournament/2555'>1-0</a></td><td>pollemand</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>pollemand (3d)</td><td>Aloril (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/6300'>2015</a></td>\n\t<td><b>Valkyria9</b></td><td>3-2</td><td>mark5000</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>mark5000 (2d)</td><td>Sadaharu (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/17053'>2016</a></td>\n\t<td><b>Valkyria9</b></td><td>4-1</td><td>mark5000</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>mark5000 (2d)</td><td>Sofiam (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/26617'>2017</a></td>\n\t<td><b>mark5000</b></td><td>3-2</td><td>Valkyria9</td>\n\t<td><b>Valkyria9 (7d)</b></td><td>mark5000 (6d)</td><td># (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/37846'>2018</a></td>\n\t<td><b>Deep Scholar</b></td>\n\t<td><a href='https://online-go.com/game/18900734'>5-0</a></td>\n\t<td>mark5000</td>\n\t<td><b>Deep Scholar (9d)</b></td><td>Sadaharu (9d)</td><td>Valkyria9 (7d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/49196'>2019</a></td>\n\t<td><b>Sadaharu</b></td><td><a href='https://online-go.com/tournament/73604'>4-1</a></td><td>Deep Scholar</td>\n\t<td><b>Sadaharu (9d)</b></td><td>earlgreyhot (9d)</td><td>martin3141 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/60660'>2020</a></td>\n\t<td>TBA: Sadaharu</td><td>vs</td><td>mark5000</td>\n\t<td><b>mark5000 [6d]</b></td><td>nutpenAI [6d]</td><td>spicydragon [5d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/73880'>2021</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>Deep Scholar [7d]</b></td><td>KataGo-Strong [9d+]</td><td>Tenebris [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/91628'>2022</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>fuseki3 [5d]</b></td><td>Buniu [2d]</td><td>adhalanay [2d]</td>\n</tr>\n</table>\n\nNotes: \n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Old OGS ranks are displayed for tournaments before 2017. \n- Bots and use of AI are allowed in Alan Turing tournaments.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 107733, "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": false, "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": "2024-06-26T05:00:00Z", "players_start": 100, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-07-01T04:27:12.948298Z", "ended": "2025-04-03T15:45:34.709288Z", "start_waiting": "2024-07-01T04:27:08.786603Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 83, "ranked": true }, { "id": 125983, "name": "9x9 Open D.E. Cup #171", "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/10842", "schedule": null, "title": null, "tournament_type": "double_elimination", "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": false, "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": "2025-03-16T20:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-03-11T15:49:21.259675Z", "ended": "2025-08-18T16:19:15.353929Z", "start_waiting": "2025-03-11T15:49:21.149556Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 8, "ranked": true }, { "id": 1183, "name": "One-digit kyu welcome!", "director": { "id": 31986, "username": "petersmol", "country": "es", "icon": "https://user-uploads.online-go.com/bc6325e1e47410a90f7ffe06be2e34dd-64.png", "ratings": { "version": 5, "overall": { "rating": 1794.7960320714246, "deviation": 66.14574434317122, "volatility": 0.06004812052333528 } }, "ranking": 28.457100476581548, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 30, "analysis_enabled": false, "exclusivity": "open", "started": "2010-06-21T23:08:15Z", "ended": "2010-06-21T21:08:15Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 141587, "name": "Live 9x9 Double Elimination Tournament 2026-06-25 18:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260801T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-01T22:00:16.402425Z", "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": "2026-08-02T02:00:00Z", "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": "2026-06-25T18:30:16.282372Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-06-25T18:31:16.338714Z", "ended": "2026-06-25T19:29:05.526537Z", "start_waiting": "2026-06-25T18:31:16.288040Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 1181, "name": "pebber's mini-tournament", "director": { "id": 31683, "username": "pebber", "country": "un", "icon": "https://secure.gravatar.com/avatar/65389ab9cfad407f114a3cba99957e42?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2245.7714178594165, "deviation": 100.65910752410613, "volatility": 0.0600179496051811 } }, "ranking": 33.64635108849212, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 25, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2010-07-05T18:49:49Z", "ended": "2010-07-05T16:49:49Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 127398, "name": "Live 9x9 Double Elimination Tournament 2025-04-12 06:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260801T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-01T22:00:16.402425Z", "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": "2026-08-02T02:00:00Z", "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": "2025-04-12T06:30:14.771669Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-04-12T06:31:14.840364Z", "ended": "2025-04-12T06:58:33.716237Z", "start_waiting": "2025-04-12T06:31:14.776844Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 1199, "name": "Beginner's 9's #3", "director": { "id": 32675, "username": "mayukoto", "country": "jp", "icon": "https://secure.gravatar.com/avatar/3c9ce2f2ab3dd80ae66f119f5ccd00ec?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1521.9718006912854, "deviation": 64.71261053466733, "volatility": 0.06006877590886828 } }, "ranking": 24.64002076296505, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 432000, "time_increment": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 385, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 3, "analysis_enabled": false, "exclusivity": "open", "started": "2010-07-26T13:21:40Z", "ended": "2010-07-26T11:21:40Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 123209, "name": "Live 9x9 Double Elimination Tournament 2024-12-13 18:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260801T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-01T22:00:16.402425Z", "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": "2026-08-02T02:00:00Z", "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": "2024-12-13T18:30:53.796736Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-12-13T18:31:53.904823Z", "ended": "2024-12-13T19:20:38.425670Z", "start_waiting": "2024-12-13T18:31:53.791430Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 128936, "name": "go experiencias", "director": { "id": 681764, "username": "LeandroMoi", "country": "br", "icon": "https://secure.gravatar.com/avatar/213156d9bbd3cd2c352d1d8067118643?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1033.205420122722, "deviation": 63.407186710696294, "volatility": 0.060036761006492814 } }, "ranking": 15.673083481870805, "professional": false, "ui_class": "" }, "description": "torneio curso 2025", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 10, "initial_time": 300, "max_time": 1800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12104, "name": "DRE S. Mateus SME", "summary": "Grupo dos educadores da SME - DRE São Mateus , e interessados e amigos.\nSejam todos bem vindos e entrem em nosso grupo para organizarmos mais ações.\nhttps://chat.whatsapp.com/K2lPBye3iqRBOwJ2dU6sjW\n\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 114, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-05-29T22:45:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-05-29T22:45:40.608965Z", "ended": "2025-05-30T00:44:57.777950Z", "start_waiting": "2025-05-29T22:45:40.460093Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 14, "ranked": true }, { "id": 123839, "name": "Live 9x9 Double Elimination Tournament 2024-12-31 22:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260801T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-01T22:00:16.402425Z", "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": "2026-08-02T02:00:00Z", "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": "2024-12-31T22:30:35.434817Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-12-31T22:31:35.486029Z", "ended": "2024-12-31T22:52:53.012208Z", "start_waiting": "2024-12-31T22:31:35.429899Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true } ] }