Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=3498
{ "count": 59686, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=3499", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=3497", "results": [ { "id": 83827, "name": "9x9 Mini League 1k-9k #4", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1257.4677062675705, "deviation": 69.47770027155092, "volatility": 0.06021177612116814 } }, "ranking": 20.220528581218108, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 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": 698, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2022-01-02T21:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-02T05:11:44.065186Z", "ended": "2022-01-30T11:26:53.779528Z", "start_waiting": "2022-01-02T05:11:43.829517Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 42052, "name": "Mingren Nines Title Tournament 2018", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2004.4188438214221, "deviation": 67.71437067217448, "volatility": 0.06015576961047741 } }, "ranking": 31.014313855840236, "professional": false, "ui_class": "supporter" }, "description": "Mingren Nines Title Tournament 2018\n\nTitle Holder: <a style=\"color:deepskyblue\" href='https://online-go.com/user/view/344560'>Winterfell [Nines Mingren]</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/2376'>2007</a></td>\n\t<td><b>hotspur</b></td><td></td><td></td>\n\t<td><b>hotspur (3d)</b></td><td>jnhmsbn (5k)</td><td>dmg (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2395'>2008</a></td>\n\t<td><b>Rena</b></td><td>∗</td><td>hotspur</td>\n\t<td><b>Rena (5k)</b></td><td>RaikB (9k)</td><td>Akimoon (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2410'>2009</a></td>\n\t<td><b>Rena</b></td><td>4-1</td><td>keiler</td>\n\t<td><b>keiler (1k)</b></td><td>Isao (1k)</td><td>KlausP (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2426'>2010</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>Rena</td>\n\t<td><b>KlausP (3d)</b></td><td>illluck (1d)</td><td>kennabee (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2442'>2011</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>vitality (5d)</b></td><td>kennabee (1d)</td><td>redundant (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2463'>2012</a></td>\n\t<td><b>pollemand</b></td><td>5-0</td><td>vitality</td>\n\t<td><b>pollemand (3d)</b></td><td>mmc (1d)</td><td>tacololo (3k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2482'>2013</a></td>\n\t<td><b>pollemand</b></td><td>5-0</td><td>gamesorry</td>\n\t<td><b>gamesorry (3d)</b></td><td>devariot (1k)</td><td>nrx (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4506'>2014</a></td>\n\t<td><b>xhu98</b></td><td>3-2</td><td>gamesorry</td>\n\t<td><b>gamesorry (3d)</b></td><td>xhu98 (3d)</td><td>adhalanay (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/11925'>2015</a></td>\n\t<td><b>xhu98</b></td>\n\t<td>4-1</td>\n\t<td>mark5000</td>\n\t<td><b>mark5000 (2d)</b></td><td>zebra (1k)</td><td>hozoin76 (8k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/21622'>2016</a></td>\n\t<td><b>Winterfell</b></td>\n\t<td>3-2</td>\n\t<td>xhu98</td>\n\t<td><b>Winterfell (7d)</b></td><td>gamesorry (5d)</td><td>Sofiam (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/29845'>2017</a></td>\n\t<td>Ongoing: Winterfell</td>\n\t<td>0-0</td>\n\t<td>Sadaharu</td>\n\t<td><b>Sadaharu (7d)</b></td><td>kungpao (5d)</td><td>popop (1d)</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks were displayed for cycles before 2016.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "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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"subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-18T22:00:00Z", "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": "2024-11-19T10:30:32.593131Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-11-19T10:31:38.655427Z", "ended": "2024-11-19T11:00:38.158708Z", "start_waiting": "2024-11-19T10:31:38.594464Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 136131, "name": "Live 9x9 Double Elimination Tournament 2026-01-07 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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260518T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-18T18:00:12.744710Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, 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"2026-01-07T15:30:49.470226Z", "start_waiting": "2026-01-07T14:31:13.633987Z", "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": 53645, "name": "Live 9x9 Double Elimination Tournament 2019-11-07 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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260518T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-18T18:00:12.744710Z", 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"subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-11-07T18:30:39.531145Z", "ended": "2019-11-07T19:32:56.409421Z", "start_waiting": "2019-11-07T18:30:38.066319Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 918, "name": "beidao's nines", "director": { "id": 12516, "username": "beidao", "country": "gb", "icon": "https://secure.gravatar.com/avatar/59a2fd07c62e453c1050a020696090aa?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1045.5147934675213, "deviation": 64.2633782348734, "volatility": 0.05972186691347469 } }, "ranking": 15.947257295081123, "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": 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{ "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:20260518T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-18T18:00:12.744710Z", "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, 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