Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=max_ranking&page=4657
{ "count": 60221, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4658", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=max_ranking&page=4656", "results": [ { "id": 137487, "name": "Go Zodiac Friendship Games Online ราศีฉลู รุ่น C กระดาน 19x19 (1-4 คิว)", "director": { "id": 912068, "username": "cp02", "country": "un", "icon": "https://user-uploads.online-go.com/ae018e5524da4ed68a067c720b339b3f-64.png", "ratings": { "version": 5, "overall": { "rating": 469.4157984086007, "deviation": 153.83582770708145, "volatility": 0.06004073543967728 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "แต้มต่อ 6.5 คะแนน", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10405, "name": "Zodiac กลุ่ม C(1-4 คิว)", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 159, "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png" }, "auto_start_on_max": false, "time_start": "2026-02-27T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-02-27T10:00:42.414858Z", "ended": "2026-02-27T11:44:02.985631Z", "start_waiting": "2026-02-27T10:00:41.919877Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png", "player_count": 23, "ranked": true }, { "id": 130126, "name": "Torneo de Graduación II", "director": { "id": 352270, "username": "GonJinn", "country": "ec", "icon": "https://user-uploads.online-go.com/6f90d879a09f034c6815ede864cb9635-64.png", "ratings": { "version": 5, "overall": { "rating": 1938.33128360696, "deviation": 69.20309375458686, "volatility": 0.06001439674663808 } }, "ranking": 30.23817016158578, "professional": false, "ui_class": "" }, "description": "Torneo de Graduación II", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 45, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 420, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15369, "name": "Taller Virtual AEG", "summary": "Hola, este grupo se utilizará para el taller\n\nRecuerde el horario es el lunes y jueves a las 19h00, horario de Ecuador", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 12, "icon": "https://user-uploads.online-go.com/252fc093edb9a419672d237cac9f6228-64.png" }, "auto_start_on_max": false, "time_start": "2025-07-04T01:11:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-07-04T01:11:30.271717Z", "ended": "2025-07-04T01:13:53.772041Z", "start_waiting": "2025-07-04T01:11:30.145524Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/252fc093edb9a419672d237cac9f6228-15.png", "player_count": 4, "ranked": true }, { "id": 132894, "name": "Handicap Arena 2025 - 080", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1068.155982469972, "deviation": 65.03185027742708, "volatility": 0.06006504827640836 } }, "ranking": 16.443231956706825, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-03T15:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-10-03T03:06:39.158331Z", "ended": "2025-11-24T19:13:04.207562Z", "start_waiting": "2025-10-03T03:06:38.982070Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 28902, "name": "Tianyuan 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": 1982.9387573757863, "deviation": 67.38676700793616, "volatility": 0.06016043680332437 } }, "ranking": 30.764891124656735, "professional": false, "ui_class": "supporter" }, "description": "Tianyuan Nines Title Tournament 2017\n\nTitle Holder: <a style=\"color:yellow\" href='https://online-go.com/user/view/64817/mark5000'>mark5000 [Nines Tianyuan]</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/2379'>2007</a></td>\n\t<td><b>hotspur</b></td><td></td><td></td>\n\t<td><b>hotspur (2d)</b></td><td>dexy (1d)</td><td>nare (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2398'>2008</a></td>\n\t<td><b>dexy</b></td><td>∗</td><td>hotspur</td>\n\t<td><b>dexy (1d)</b></td><td>KlausP (3d)</td><td>KyuT (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2413'>2009</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>dexy</td>\n\t<td><b>KlausP (3d)</b></td><td>dexy (1d)</td><td>KyuT (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2429'>2010</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>illluck</td>\n\t<td><b>illluck (1d)</b></td><td>maximemichel (1k)</td><td>dexy (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2445'>2011</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>vitality (5d)</b></td><td>zealot (3d)</td><td>illluck (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2467'>2012</a></td>\n\t<td><b>pollemand</b></td><td>4-1</td><td>vitality</td>\n\t<td><b>pollemand (3d)</b></td><td>devariot (1k)</td><td>joachim (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2485'>2013</a></td>\n\t<td><b>pollemand</b></td><td>3-2</td><td>taikobara</td>\n\t<td><b>taikobara (7k)</b></td><td>gamesorry (2d)</td><td>herminator (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2504'>2014</a></td>\n\t<td><b>mark5000</b></td><td>4-1</td><td>devariot</td>\n\t<td><b>mark5000 (2d)</b></td><td>devariot (1k)</td><td>adhalanay (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/8064'>2015</a></td>\n\t<td><b>mark5000</b></td>\n\t<td>4-1</td>\n\t<td>gamesorry</td>\n\t<td><b>魑魅魍魉 (2d)</b></td><td>一只安东尼 (3d)</td><td>gamesorry (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/18551'>2016</a></td>\n\t<td>Ongoing: mark5000</td>\n\t<td>0-0</td>\n\t<td>Lomis</td>\n\t<td><b>Lomis (1d)</b></td><td>Sadaharu (5d)</td><td>まいどー(^笑^)/ (1d)</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": "chinese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "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": 2995, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2017-09-03T07:00:00Z", "players_start": 100, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-09-03T07:00:57.015370Z", "ended": "2018-07-18T13:54:31.982098Z", "start_waiting": "2017-09-03T07:00:39.243240Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 100, "ranked": true }, { "id": 72599, "name": "9x9 Classic W.D.D.T. VI", "director": { "id": 929191, "username": "EnsoZEN", "country": "cz", "icon": "https://user-uploads.online-go.com/9de5727796a655588080bb89cc627977-64.png", "ratings": { "version": 5, "overall": { "rating": 1463.5820448380764, "deviation": 67.30723430909097, "volatility": 0.06004488935091738 } }, "ranking": 23.734396346844115, "professional": false, "ui_class": "" }, "description": "Classic weekly double death tournament.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 46, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-11T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-11T23:00:55.263211Z", "ended": "2021-07-28T04:50:04.450844Z", "start_waiting": "2021-04-11T23:00:54.979917Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 8, "ranked": true }, { "id": 62012, "name": "ALUMNOS DE SEGUNDO", "director": { "id": 607938, "username": "kido.go.baduk", "country": "mx", "icon": "https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png", "ratings": { "version": 5, "overall": { "rating": 742.6556598508159, "deviation": 67.77077305143554, "volatility": 0.06060159640981342 } }, "ranking": 8.029212401580375, "professional": false, "ui_class": "" }, "description": "ALUMNOS DE SEGUNDO", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5581, "name": "Colegio Serapio Rendón // Kinder - Primaria", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 200, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-16T15:05:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-06-16T15:05:33.523162Z", "ended": "2020-06-16T15:50:37.996354Z", "start_waiting": "2020-06-16T15:05:32.724012Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png", "player_count": 8, "ranked": true }, { "id": 70199, "name": "1月16日 乙組", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "黃俊傑\n潘煦芊\n岑禮杰\n鄒綽廉\n鄧宏諾", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 10, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7533, "name": "傳碁 A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-01-16T11:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-01-16T10:08:03.587102Z", "ended": "2021-01-16T10:51:02.322513Z", "start_waiting": "2021-01-16T10:08:03.473252Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 131431, "name": "Houston Go Club - Double Elimination Correspondence Tournament (8/21/25)", "director": { "id": 473476, "username": "ajiadjuster", "country": "us", "icon": "https://user-uploads.online-go.com/ebb423553f55ca1ecf44905005fd586b-64.png", "ratings": { "version": 5, "overall": { "rating": 1886.9598995848182, "deviation": 69.41060089332123, "volatility": 0.05981262866327778 } }, "ranking": 29.616351333129803, "professional": false, "ui_class": "supporter" }, "description": "Every player has a single game in each round (it's possible to have a bye with an odd number of players, but no individual plays simultaneous games). After the initial round, players with no losses are in bracket A. Players with one loss are in bracket B. Players with two losses (or time outs) are eliminated. 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