Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=ended&page=1514
{ "count": 58911, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=1515", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=ended&page=1513", "results": [ { "id": 35217, "name": "Live 9x9 Double Elimination Tournament 2018-03-08 10:30", "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:20260310T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-10T18:00:44.856126Z", "lead_time_seconds": 1800, 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 27128, "name": "FSTS Summer 2017 Small Board", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "Regular summer 2017 tournament of FSTS on a 9x9 board", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 87840, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 129600, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 353, "name": 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"slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-03-13T19:00:00Z", "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": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-02-21T01:00:39.198130Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-02-21T01:01:06.148474Z", "ended": "2018-03-08T19:06:58.691646Z", "start_waiting": "2018-02-21T01:01:03.964529Z", "board_size": 19, "active_round": null, "icon": 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"2018-03-09T02:30:41.606847Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-03-09T02:34:43.907419Z", "ended": "2018-03-09T03:08:51.384730Z", "start_waiting": "2018-03-09T02:34:43.516002Z", "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": 25232, "name": "Honinbo Nines Title Tournament 2017", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1995.719624534026, "deviation": 68.02965633278002, "volatility": 0.06015733969046198 } }, "ranking": 30.913623719446058, "professional": false, "ui_class": "supporter" }, "description": "Honinbo Nines Title Tournament 2017\n\nTitle Holder: <a href='https://online-go.com/player/43936/'><font color=red>Sadaharu [Nines Honinbo]</font></a>\n\nHall of Fame:\n<table style=\"text-align:center;\" border='2'>\n<tr><th rowspan=2>Year</th><td colspan=3><b>Title Match</b></td><td colspan=3><b>Title Tournament</b></td></tr>\n<tr>\n\t<th>Winner</th><th>Score</th><th>Runner-up</th>\n\t<th>\n\t\tWinner\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>\n\t\tRunner-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>\n\t\t3rd Place\n\t\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 colspan=3>Ongoing: Sadaharu 0-0 meteor</td>\n\t<td><b>meteor (2k)</b></td><td>gamesorry (3d)</td><td>Jeno61 (2d)</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "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? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2968, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2017-05-01T06:15:00Z", "players_start": 100, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-05-01T06:15:28.942010Z", "ended": "2018-03-09T04:15:04.029796Z", "start_waiting": "2017-05-01T06:15:03.797060Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 119, "ranked": true }, { "id": 35247, "name": "Live 9x9 Double Elimination Tournament 2018-03-09 10:30", "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:20260310T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-10T18:00:44.856126Z", "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": "2026-03-10T22:00:00Z", "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": "2018-03-09T10:30:09.210669Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-03-09T10:30:11.774371Z", "ended": "2018-03-09T11:00:16.668556Z", "start_waiting": "2018-03-09T10:30:10.827185Z", "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 } ] }