Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=6101
{ "count": 61004, "next": null, "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=6100", "results": [ { "id": 97524, "name": "Live 9x9 Double Elimination Tournament 2022-12-05 14:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260911T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-09-11T06:00:36.007860Z", "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": "2026-09-11T10:00:00Z", "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": "2022-12-05T14:30:29.890508Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-12-05T14:30:31.542384Z", "ended": "2022-12-05T15:12:28.081129Z", "start_waiting": "2022-12-05T14:30:31.239855Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 11, "ranked": true }, { "id": 56359, "name": "Meijin 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": 2010.567656741604, "deviation": 68.90930500114358, "volatility": 0.060153245143043765 } }, "ranking": 31.085220759446056, "professional": false, "ui_class": "supporter" }, "description": "Meijin Nines Title Tournament 2020\n\nTitle Holder: <a style=\"color:green\" href='https://online-go.com/user/view/506026'>smurph [Nines Meijin] x1</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/2385'>2008</a></td>\n\t<td><b>Teldris</b></td><td></td><td></td>\n\t<td><b>Teldris (3k)</b></td><td>Akimoon (1k)</td><td>littleman (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2401'>2009</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>Teldris</td>\n\t<td><b>KlausP (3d)</b></td><td>RaikB (9k)</td><td>smed (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2417'>2010</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>illluck</td>\n\t<td><b>KlausP (3d)</b></td><td>illluck (1d)</td><td>mouton (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2433'>2011</a></td>\n\t<td><b>KlausP</b></td><td>3-2</td><td>vitality</td>\n\t<td><b>vitality (5d)</b></td><td>KlausP (3d)</td><td>FernandoPR (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2455'>2012</a></td>\n\t<td><b>pollemand</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>pollemand (3d)</b></td><td>Adonroid (1k)</td><td>vitality (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2473'>2013</a></td>\n\t<td><b>pollemand</b></td><td>5-0</td><td>yanpin</td>\n\t<td><b>yanpin (2d)</b></td><td>vitality (5d)</td><td>jukucho (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2493'>2014</a></td>\n\t<td><b>drmwc</b></td><td>∗</td><td>pollemand</td>\n\t<td><b>drmwc (6d)</b></td><td>gamesorry (3d)</td><td>devariot (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4532'>2015</a></td>\n\t<td><b>mark5000</b></td><td>3-2</td><td>drmwc</td>\n\t<td><b>mark5000 (2d)</b></td><td>一只安东尼 (3d)</td><td>Hikachu (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/13886'>2016</a></td>\n\t<td><b>mark5000</b></td>\n\t<td>3-0</td>\n\t<td>dexy</td>\n\t<td><b>dexy (1d)</b></td>\n\t<td>mark5000 (2d)</td>\n\t<td>zebra (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/23980'>2017</a></td>\n\t<td><b>mark5000</b></td>\n\t<td>3-2</td>\n\t<td>Sadaharu</td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>gamesorry (4d)</td>\n\t<td>silk (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/33908'>2018</a></td>\n\t<td><b>smurph</b></td>\n\t<td>4-1</td>\n\t<td>mark5000</td>\n\t<td><b>smurph (6d)</b></td>\n\t<td>Baklan (7d)</td>\n\t<td>Lomis (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/33908'>2019</a></td>\n\t<td>TBA: Sadaharu</td>\n\t<td>vs</td>\n\t<td>Baklan</td>\n\t<td><b>Sadaharu (9d+)</b></td>\n\t<td>Baklan (6d)</td>\n\t<td>Borealiz (7d)</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks were displayed for cycles 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? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3017, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2020-03-08T06:00:00Z", "players_start": 100, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-08T06:00:54.970960Z", "ended": "2020-11-29T09:17:56.292433Z", "start_waiting": "2020-03-08T06:00:12.745574Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 128, "ranked": true }, { "id": 76292, "name": "8 Lines: Even Board Sizes Series", "director": { "id": 109488, "username": "DVbS78rkR7NVe", "country": "un", "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2026.1476299885521, "deviation": 66.05609734432652, "volatility": 0.059874270189468615 } }, "ranking": 31.26391960044579, "professional": false, "ui_class": "" }, "description": "Join the group for more cat tournaments ^__^", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6124, "name": "Leopard's Resting Tree", "summary": "A little corner for cat tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 313, "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png" }, "auto_start_on_max": false, "time_start": "2021-06-28T10:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-06-28T10:00:21.864618Z", "ended": "2022-01-29T23:12:44.753754Z", "start_waiting": "2021-06-28T10:00:21.291343Z", "board_size": 8, "active_round": null, "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png", "player_count": 31, "ranked": true }, { "id": 72351, "name": "7 Lines: Unusual Board Sizes Series", "director": { "id": 109488, "username": "DVbS78rkR7NVe", "country": "un", "icon": "https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2026.1476299885521, "deviation": 66.05609734432652, "volatility": 0.059874270189468615 } }, "ranking": 31.26391960044579, "professional": false, "ui_class": "" }, "description": "Diversifying OGS boards~ I think komi is 5.5, huge advantage to black\n\n<hr/>\n\nJoin the group for more cat tournaments ^__^", "schedule": null, "title": null, "tournament_type": "swiss", "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": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6124, "name": "Leopard's Resting Tree", "summary": "A little corner for cat tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 313, "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png" }, "auto_start_on_max": false, "time_start": "2021-03-18T10:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-03-18T10:00:36.356716Z", "ended": "2022-05-25T18:39:37.383358Z", "start_waiting": "2021-03-18T10:00:34.455387Z", "board_size": 7, "active_round": null, "icon": "https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png", "player_count": 52, "ranked": true } ] }