Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-id&page=3669
{ "count": 59325, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=3670", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=3668", "results": [ { "id": 57133, "name": "A Tournament", "director": { "id": 735304, "username": "Oceanboy98", "country": "us", "icon": "https://secure.gravatar.com/avatar/408a0d1ff0ba5bb121b89a0745b11487?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 810.7849333855323, "deviation": 100.95612014770612, "volatility": 0.060001909536257995 } }, "ranking": 10.061095781794211, "professional": false, "ui_class": "" }, "description": "Join! It's open!", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4339, "name": "The Animals Group", "summary": "Animals lovers group", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/28bf885f122f2eabb7dbf17af125faab-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-04T06:00:00Z", "players_start": -1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-04T06:00:06.387546Z", "ended": "2020-03-04T06:11:58.637971Z", "start_waiting": "2020-03-04T06:00:06.359378Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/28bf885f122f2eabb7dbf17af125faab-15.png", "player_count": 1, "ranked": true }, { "id": 57130, "name": "Cool dudes Part 2", "director": { "id": 735031, "username": "ham1234567890", "country": "un", "icon": "https://secure.gravatar.com/avatar/547302594c1f80a224bf0638d04edfe3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1196.947322509708, "deviation": 142.4343522372606, "volatility": 0.06000639546900046 } }, "ranking": 19.07864269871065, "professional": false, "ui_class": "" }, "description": "it is cool dudes but a second one", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 28800, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17766, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-04T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-04T05:22:05.653067Z", "ended": "2020-03-18T23:59:06.193033Z", "start_waiting": "2020-03-04T05:22:04.989001Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 57128, "name": "Live 9x9 Double Elimination Tournament 2020-03-04 02:30", "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:20260208T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-08T02:00:41.846409Z", "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": "2026-02-08T06:00:00Z", "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": "2020-03-04T02:30:56.574551Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-03-04T02:31:59.312822Z", "ended": "2020-03-04T03:32:16.095477Z", "start_waiting": "2020-03-04T02:31:58.056817Z", "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": 57127, "name": "Blitz 19x19 Elimination Tournament 2020-03-04 01:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260208T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-02-08T01:00:41.834601Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-02-08T05:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-03-04T01:30:53.616648Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-03-04T01:30:55.715636Z", "ended": "2020-03-04T01:44:45.620981Z", "start_waiting": "2020-03-04T01:30:55.052251Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 57124, "name": "Live 9x9 Double Elimination Tournament 2020-03-03 22:30", "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:20260208T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-08T02:00:41.846409Z", "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": "2026-02-08T06:00:00Z", "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": "2020-03-03T22:30:44.863644Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-03-03T22:30:47.208304Z", "ended": "2020-03-03T23:10:06.247964Z", "start_waiting": "2020-03-03T22:30:46.294928Z", "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": 57123, "name": "Blitz 19x19 Elimination Tournament 2020-03-03 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260208T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-02-08T01:00:41.834601Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-02-08T05:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-03-03T21:30:41.939594Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-03-03T21:30:45.976006Z", "ended": "2020-03-03T21:59:09.967163Z", "start_waiting": "2020-03-03T21:30:43.419740Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 57121, "name": "Correspondence 13x13 RoundRobin 2020-03-04 19:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260206T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-02-06T19:00:49.798321Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-02-09T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "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": "2020-03-04T19:00:45.998365Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-04T19:01:41.107385Z", "ended": "2020-03-24T07:12:53.158170Z", "start_waiting": "2020-03-04T19:01:38.422759Z", "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": 57118, "name": "Honinbo Nines Title Tournament 2020", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2025.7747302112762, "deviation": 69.14106842831964, "volatility": 0.06016005566835261 } }, "ranking": 31.259658595865297, "professional": false, "ui_class": "supporter" }, "description": "Honinbo Nines Title Tournament 2020\n\nTitle Holder: \n<a style=\"color:red\" href='https://online-go.com/player/43936/'>Sadaharu [Nines Honinbo] x3</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/2371'>2007</a></td>\n\t<td><b>Spandam</b></td><td></td><td></td>\n\t<td><b>Spandam (2d)</b></td><td>willbrooks (2d)</td><td>redacted (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2388'>2008</a></td>\n\t<td><b>KlausP</b></td><td>∗</td><td>Spandam</td>\n\t<td><b>KlausP (3d)</b></td><td>KyuT (4d)</td><td>Akimoon (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2404'>2009</a></td>\n\t<td><b>KyuT</b></td><td>3-2</td><td>KlausP</td>\n\t<td><b>KyuT (4d)</b></td><td>KlausP (3d)</td><td>phoward (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2421'>2010</a></td>\n\t<td><b>KlausP</b></td><td>∗</td><td>KyuT</td>\n\t<td><b>KlausP (3d)</b></td><td>Highwayman (1d)</td><td>kennabee (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2436'>2011</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>vitality (5d)</b></td><td>KlausP (3d)</td><td>joachim (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2458'>2012</a></td>\n\t<td><b>vitality</b></td><td>4-1</td><td>FromHell</td>\n\t<td><b>vitality (5d)</b></td><td>FromHell (1d)</td><td>Wloczykij (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2478'>2013</a></td>\n\t<td><b>vitality</b></td><td>3-2</td><td>gamesorry</td>\n\t<td><b>gamesorry (2d)</b></td><td>nrx (3d)</td><td>devariot (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2496'>2014</a></td>\n\t<td><b>vitality</b></td><td>4-1</td><td>devariot</td>\n\t<td><b>devariot (2k)</b></td><td>nrx (3d)</td><td>drmwc (6d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4812'>2015</a></td>\n\t<td><b>Sadaharu</b></td><td>3-2</td><td>vitality</td>\n\t<td><b>Ragnar Danneshild (1d)</b></td><td>Sadaharu (5d)</td><td>vinceuji (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/15377'>2016</a></td>\n\t<td><b>Sadaharu</b></td><td>5-0</td><td>meteor</td>\n\t<td><b>meteor (2k)</b></td><td>gamesorry (3d)</td><td>Jeno61 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/25232'>2017</a></td>\n\t<td><b>Sadaharu</b></td><td>5-0</td><td>gamesorry</td>\n\t<td><b>FanSlim (9d)</b></td><td>nixent (3d)</td><td>gamesorry (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/35082'>2018</a></td>\n\t<td>TBA: Sadaharu</td><td>vs</td><td>Baklan</td>\n\t<td><b>Baklan (8d)</b></td><td>Sadaharu (9d)</td><td>arfn6 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/45529'>2019</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>Sadaharu (9d)</b></td><td>Baklan (5d)</td><td>Borealiz (5d)</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks were displayed for tournaments before 2017.\n\nNote: 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>.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "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? 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