Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-started&page=3
{ "count": 59916, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=4", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-started&page=2", "results": [ { "id": 141201, "name": "HAPPY GO #152 Double Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 2020.1877026658071, "deviation": 70.43957514564474, "volatility": 0.059803963225698226 } }, "ranking": 31.19572336560343, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.\n\nPlease contact nobhaete directly if you have any questions.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 74, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2026-06-21T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 0, "ranked": true }, { "id": 141062, "name": "BeGinNer fIgHT!! _ ReBooT Ver20_ sngl tnmt", "director": { "id": 1742791, "username": "AKIBABO", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png", "ratings": { "version": 5, "overall": { "rating": 938.7656923003765, "deviation": 61.42861276076895, "volatility": 0.05987147314144178 } }, "ranking": 13.454031248264874, "professional": false, "ui_class": "" }, "description": "BeGinNer fIgHT!! \n어서 오세요~~!! 초보자여~~ \n新手欢迎～～～", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87084, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 86400, "periods": 2 }, "is_open": true, "exclude_provisional": true, "group": { "id": 16114, "name": "ShaNgHai_Korean_ChINa_BegInNer", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-64.png" }, "auto_start_on_max": false, "time_start": "2026-06-21T14:00:00Z", "players_start": 12, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-15.png", "player_count": 1, "ranked": true }, { "id": 141114, "name": "2nd The Battlefield of Single Digit", "director": { "id": 1776211, "username": "MAESTRO of BADUK", "country": "kr", "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png", "ratings": { "version": 5, "overall": { "rating": 1767.168946155224, "deviation": 67.32079527640894, "volatility": 0.06002330798531803 } }, "ranking": 28.097984163937994, "professional": false, "ui_class": "" }, "description": "This is for players who want to enjoy fast correspondence match \n\nSwiss league for 10k~1k\n\nStart time: 24 hours\n\nFischer:: 6 hours\n\nMax. Time: 2 days\n\n*****\nRestricted Rank: 1k \n\nPlayers who reached 1 dan within 30 days before the tournament announcement date but have since dropped back to 1k are not eligible to participate. (Reference date: 30 days prior to May 1, 2026)\n\n*****\nThe winner will receive a seeded invitation to the main tournament of Road to Dan, a regular tournament hosted by the RS group. \n\n(We recommend you to be a member of the RS group to receive an invitation. According to the OGS system, we cannot send invitations to non-members.)\n\n*****\nPlease be careful below the rule;\n\nNO PAUSE & NO VACATION, anyone who takes on the vacation or pauses a game, will be disqualified.\n\nPlease send the tournament director a message if you find that your opponent pauses or turns vacation mode on. \n*****", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 22284, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 21600, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15815, "name": "RollingStones : Global & 한국인", "summary": "한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 76, "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png" }, "auto_start_on_max": false, "time_start": "2026-06-22T05:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png", "player_count": 14, "ranked": true }, { "id": 140574, "name": "Tianyuan Main 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": 1995.533835987537, "deviation": 67.15433645828604, "volatility": 0.060156874382668396 } }, "ranking": 30.911468504350413, "professional": false, "ui_class": "supporter" }, "description": "Tianyuan Main Title Tournament 2025\n\nTitle Holder: \n<a style=\"color:yellow\" href='https://online-go.com/user/view/43936/'>Sadaharu [Tianyuan] x2+2</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\">Title Tournament Winner<img src='https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png' alt='[Gold]'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='https://cdn.online-go.com/5.1/img/trophies/silver_title_19.png' alt='[Silver]'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='https://cdn.online-go.com/5.1/img/trophies/bronze_title_19.png' alt='[Bronze]'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2381'>2007</a></td>\n\t<td><b>davos</b></td><td></td><td></td>\n\t<td><b>davos (3d)</b></td><td>Uberdude (6d)</td><td>KyuT (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2397'>2008</a></td>\n\t<td><b>KyuT</b></td>\n\t<td><a href='https://online-go.com/tournament/2530'>∗</a></td>\n\t<td>davos</td>\n\t<td><b>KyuT (4d)</b></td>\n\t<td>betterlife (2d)</td>\n\t<td>rtayek (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2412'>2009</a></td>\n\t<td><b>Uberdude</b></td>\n\t<td><a href='https://online-go.com/game/325519'>∗</a></td>\n\t<td>KyuT</td>\n\t<td><b>Uberdude (6d)</b></td>\n\t<td>morituri (2d)</td>\n\t<td>apoplexy (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2428'>2010</a></td>\n\t<td><b>Uberdude</b></td>\n\t<td><a href='https://online-go.com/tournament/2549'>3-0</a></td>\n\t<td>gomad361</td>\n\t<td><b>gomad361 (2d)</b></td>\n\t<td>Elin (3d)</td>\n\t<td>MatCauthon (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2444'>2011</a></td>\n\t<td><b>vitality</b></td>\n\t<td><a href='https://online-go.com/tournament/2886'>∗</a></td>\n\t<td>Uberdude</td>\n\t<td><b>vitality (5d)</b></td>\n\t<td>zealot (3d)</td>\n\t<td>nrx (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2466'>2012</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/3195'>3-2</a></td>\n\t<td>vitality</td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>gojohn (3d)</td>\n\t<td>vitality (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2484'>2013</a></td>\n\t<td><b>vitality</b></td>\n\t<td><a href='https://online-go.com/tournament/19978'>5-0</a></td>\n\t<td>Sadaharu</td>\n\t<td><b>vitality (5d)</b>\n\t</td><td>Sadaharu (5d)</td>\n\t<td>nrx (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2503'>2014</a></td>\n\t<td><b>vitality</b></td>\n\t<td><a href='https://online-go.com/game/10312824'>5-0</a></td>\n\t<td>mark5000</td>\n\t<td><b>mark5000 (2d)</b></td>\n\t<td>gamesorry (3d)</td>\n\t<td>gojohn (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/8850'>2015</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/game/17728871'>5-0</a></td>\n\t<td>gamesorry</td>\n\t<td><b>Sadaharu (9d)</b></td>\n\t<td>gamesorry (2d)</td>\n\t<td>Tybalt (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/19338'>2016</a></td>\n\t<td><b>まいどー(^笑^)/</b></td>\n\t<td><a href='https://online-go.com/tournament/65780'>5-0</a></td>\n\t<td>Träumerin</td>\n\t<td><b>micky0427 (6d)</b></td>\n\t<td>Winterfell (7d)</td>\n\t<td>Träumerin (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/28967'>2017</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/73927'>5-0 (∗)</a></td>\n\t<td>まいどー(^笑^)/</td>\n\t<td><b>Sadaharu (9d)</b></td>\n\t<td>KDJ123 (7d)</td>\n\t<td>Puffin888 (7d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/39817'>2018</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/120105'>5-0</a></td>\n\t<td>Celebrir [1k]</td>\n\t<td><b>rzhang20877 [8d]</b></td>\n\t<td>bigko [7d]</td>\n\t<td>Neandertaler [4d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/50926'>2019</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>husrev [7d]</b></td>\n\t<td>bigko [6d]</td>\n\t<td>hankchang1030 [2k]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/64662'>2020</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Wangway [6d]</b></td>\n\t<td>Neandertaler [3d]</td>\n\t<td>Yaka_Go [3d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/79744'>2021</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Bhsd [6d]</b></td>\n\t<td>Lomis [5d]</td>\n\t<td>Sadaharu [5d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/93174'>2022</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>steinkauz7 [6d]</b></td>\n\t<td>Lomis [5d]</td>\n\t<td>找借口安静 [4d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/112659'>2023</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 2</td>\n\t<td></td>\n\t<td></td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement.\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- Old OGS ranks were displayed for cycles before 2015.\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": "chinese", "time_per_move": 91187, "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": 2986, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2026-06-22T06:00:00Z", "players_start": 40, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 71, "ranked": true }, { "id": 140689, "name": "Monday Morning 19x19 #87", "director": { "id": 1246361, "username": "katonal_edu", "country": "hu", "icon": "https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png", "ratings": { "version": 5, "overall": { "rating": 1482.4218691165722, "deviation": 66.99404105360328, "volatility": 0.06001699194390396 } }, "ranking": 24.030490914607018, "professional": false, "ui_class": "" }, "description": "To have a good start of the week you need to join this 19x19 #87 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87768, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12889, "name": "Monday Morning", "summary": "Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 49, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png" }, "auto_start_on_max": false, "time_start": "2026-06-22T08:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png", "player_count": 5, "ranked": true }, { "id": 141044, "name": "FNRRT: Let's improve ourself! McMahon for 25k-6k [FAST] # III", "director": { "id": 1872546, "username": "Sch-Mentor", "country": "001", "icon": "https://user-uploads.online-go.com/41804ae38abc71e0bea5040b313b01ec-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 250, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Hi everyone! This tournament would be useful for your improvement due to McMahon system because your games will be more evenly matched.\n\nThe number of rounds and the top bar could be modified in first round according to the total number of players and the population above the bar.\n\nFast tournament: pay attention, a 12-hour increment is roughly two moves per day to keep the flow.\n\nThings to keep in mind:\n* Use the conditional move feature to speed up the game.\n* Disqualification will occur automatically by the site if a player loses by timeout.\n* If you notice that a player behaves badly, please send a message to the TD.\n* And last but not least: no weekends, no pauses, no vacation—just make your move; it’s a tournament, my friend!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 44568, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15509, "name": "Fast and narrow rank range tournaments", "summary": "Tournaments for people who like to play within narrow rank ranges and fast correspondence games.", "require_invitation": true, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 81, "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-64.png" }, "auto_start_on_max": false, "time_start": "2026-06-22T23:33:00Z", "players_start": 16, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-15.png", "player_count": 31, "ranked": true }, { "id": 141063, "name": "BeGinNer fIgHT!! _ ReBooT Ver21_ tnmt", "director": { "id": 1742791, "username": "AKIBABO", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png", "ratings": { "version": 5, "overall": { "rating": 938.7656923003765, "deviation": 61.42861276076895, "volatility": 0.05987147314144178 } }, "ranking": 13.454031248264874, "professional": false, "ui_class": "" }, "description": "BeGinNer fIgHT!! \n어서 오세요~~!! 초보자여~~ \n新手欢迎～～～", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87084, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 86400, "periods": 2 }, "is_open": true, "exclude_provisional": true, "group": { "id": 16114, "name": "ShaNgHai_Korean_ChINa_BegInNer", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-64.png" }, "auto_start_on_max": false, "time_start": "2026-06-28T14:00:00Z", "players_start": 12, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-15.png", "player_count": 1, "ranked": true }, { "id": 140573, "name": "Alan Turing 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": 1995.533835987537, "deviation": 67.15433645828604, "volatility": 0.060156874382668396 } }, 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src='https://cdn.online-go.com/5.1/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/2448'>2010</a></td>\n\t<td><b>Aloril</b></td><td></td><td></td>\n\t<td><b>Aloril (3d)</b></td><td>vitality (5d)</td><td>KlausP (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2452'>2011</a></td>\n\t<td><b>Valkyria9</b></td><td><a href='https://online-go.com/tournament/2542'>5-0</a></td><td>Aloril</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>zealot (3d)</td><td>devariot (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2470'>2012</a></td>\n\t<td><b>Valkyria9</b></td><td><a href='https://online-go.com/tournament/2555'>1-0</a></td><td>pollemand</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>pollemand (3d)</td><td>Aloril (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/6300'>2015</a></td>\n\t<td><b>Valkyria9</b></td><td>3-2</td><td>mark5000</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>mark5000 (2d)</td><td>Sadaharu (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/17053'>2016</a></td>\n\t<td><b>Valkyria9</b></td><td>4-1</td><td>mark5000</td>\n\t<td><b>Valkyria9 (4d)</b></td><td>mark5000 (2d)</td><td>Sofiam (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/26617'>2017</a></td>\n\t<td><b>mark5000</b></td><td>3-2</td><td>Valkyria9</td>\n\t<td><b>Valkyria9 (7d)</b></td><td>mark5000 (6d)</td><td># (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/37846'>2018</a></td>\n\t<td><b>Deep Scholar</b></td>\n\t<td><a href='https://online-go.com/game/18900734'>5-0</a></td>\n\t<td>mark5000</td>\n\t<td><b>Deep Scholar (9d)</b></td><td>Sadaharu (9d)</td><td>Valkyria9 (7d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/49196'>2019</a></td>\n\t<td><b>Sadaharu</b></td><td><a href='https://online-go.com/tournament/73604'>4-1</a></td><td>Deep Scholar</td>\n\t<td><b>Sadaharu (9d)</b></td><td>earlgreyhot (9d)</td><td>martin3141 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/60660'>2020</a></td>\n\t<td><b>mark5000</b></td><td><a href='https://online-go.com/tournament/118166'>3-2</a></td><td>Sadaharu</td>\n\t<td><b>mark5000 [6d]</b></td><td>nutpenAI [6d]</td><td>spicydragon [5d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/73880'>2021</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>Deep Scholar [7d]</b></td><td>KataGo-Strong [9d+]</td><td>Tenebris [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/91628'>2022</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>fuseki3 [5d]</b></td><td>Buniu [2d]</td><td>adhalanay [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/112658'>2023</a></td>\n\t<td></td><td></td><td></td>\n\t<td><b>Sadaharu [5d]</b></td><td>mark5000 [5d]</td><td>找借口安静 [4d]</td>\n</tr>\n</table>\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- Old OGS ranks are displayed for tournaments before 2017. \n- Bots and use of AI are allowed in Alan Turing tournaments.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 107733, "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": false, "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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