Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?ordering=player_count&page=5899
{ "count": 60231, "next": "https://online-go.com/api/v1/tournaments/?ordering=player_count&page=5900", "previous": "https://online-go.com/api/v1/tournaments/?ordering=player_count&page=5898", "results": [ { "id": 125295, "name": "Correspondence Weekly McMahon 19x19 2025-02-15 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260706T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-06T17:00:18.211512Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-07-13T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2025-02-15T17:00:24.545508Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-15T17:00:27.420478Z", "ended": "2026-04-29T15:50:59.938775Z", "start_waiting": "2025-02-15T17:00:25.347216Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 33, "ranked": true }, { "id": 122816, "name": "Correspondence Weekly McMahon 19x19 2024-12-07 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260706T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-06T17:00:18.211512Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-07-13T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2024-12-07T17:00:30.908814Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-07T17:01:12.962955Z", "ended": "2026-01-10T02:45:59.934238Z", "start_waiting": "2024-12-07T17:01:11.156063Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 33, "ranked": true }, { "id": 138359, "name": "Correspondence Weekly McMahon 19x19 2026-03-21 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260706T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-06T17:00:18.211512Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-07-13T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2026-03-21T17:00:11.673354Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-21T17:00:22.237180Z", "ended": null, "start_waiting": "2026-03-21T17:00:19.197155Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 33, "ranked": true }, { "id": 141911, "name": "ป.4/1 6 ก.ค69", "director": { "id": 1304979, "username": "arcanis2u", "country": "un", "icon": "https://secure.gravatar.com/avatar/2527119d92dde00a45791e7b2fec99f7?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1281.9350511842033, "deviation": 113.47103864284946, "volatility": 0.06001685765620799 } }, "ranking": 20.666646521290243, "professional": false, "ui_class": "" }, "description": "6 กค.69", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 7, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 5, "initial_time": 60, "max_time": 180 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14105, "name": "โรงเรียนสามัคคีบำรุง", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 152, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-07-06T07:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2026-07-06T06:52:28.886150Z", "ended": "2026-07-06T07:21:34.048522Z", "start_waiting": "2026-07-06T06:52:28.489290Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 33, "ranked": true }, { "id": 136758, "name": "Зима - Лето Гудзуми 2026", "director": { "id": 1055025, "username": "Sviatopolk", "country": "ru", "icon": "https://user-uploads.online-go.com/28d0d3d94004a0556b2164ff794ab445-64.png", "ratings": { "version": 5, "overall": { "rating": 1793.1500840266808, "deviation": 62.863088480725956, "volatility": 0.059928845525619744 } }, "ranking": 28.435860637032242, "professional": false, "ui_class": "" }, "description": "Всем привет! Играем 3 тура. Основное время - 7 дней, беёми: 3 периода по 1 дню. Система проведения: одновременный Мак-Магон. Если рейтинг занижен, то лучше его оперативно актуализировать до старта турнира. Всем хороших игр!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3922, "name": "Гудзуми-Юсей", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 107, "icon": "https://user-uploads.online-go.com/d9805b8d0e97919dd033d6a28e59afa4-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-31T09:00:00Z", "players_start": 5, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-01-31T09:01:03.004235Z", "ended": null, "start_waiting": "2026-01-31T09:01:01.159276Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/d9805b8d0e97919dd033d6a28e59afa4-15.png", "player_count": 33, "ranked": true }, { "id": 140145, "name": "Correspondence Weekly McMahon 19x19 2026-05-16 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260706T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-06T17:00:18.211512Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-07-13T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2026-05-16T17:00:49.636177Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-05-16T17:00:52.579813Z", "ended": null, "start_waiting": "2026-05-16T17:00:51.630469Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 33, "ranked": true }, { "id": 141021, "name": "Meijin Nines Title Tournament 2025", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1980.3415643325782, "deviation": 67.74667820141417, "volatility": 0.0601594143946946 } }, "ranking": 30.73455008255201, "professional": false, "ui_class": "supporter" }, "description": "Meijin Nines Title Tournament 2025\n\nTitle Holder: <a style=\"color:green\" href='https://online-go.com/player/43936'>Sadaharu [Nines Meijin] x2</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><a href='https://online-go.com/game/11573150'>3-2</a></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><a href='https://online-go.com/game/17730520'>4-1</a></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/43368'>2019</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/73465'>5-0 (∗)</a></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<tr>\n\t<td><a href='https://online-go.com/tournament/56359'>2020</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/87350'>5-0</a></td>\n\t<td>Myosu</td>\n\t<td><b>Myosu [6d]</b></td>\n\t<td>AlGebr [3d]</td>\n\t<td>lovecall [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/69385'>2021</a></td>\n\t<td>TBA: Sadaharu</td>\n\t<td>vs</td>\n\t<td>zanio</td>\n\t<td><b>Sadaharu [5d]</b></td>\n\t<td>zanio [2k]</td>\n\t<td>Novakun [4d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/86186'>2022</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Novakun [6d]</b></td>\n\t<td>Rise. [3d]</td>\n\t<td>まいどー(^笑^)/ [3d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/100555'>2023</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>wxwxw [2d]</b></td>\n\t<td>Celie63125 [5d]</td>\n\t<td>mark5000 [5d]</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks are displayed for cycles before 2017.\n\nNotes:\n- 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>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 107733, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "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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