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Chen An 7d defends North Carolina State Champion title

Notizie AGA - Gio, 31/10/2019 - 06:43

The weather was warm in Raleigh, and the atmosphere on fire as 25 players engaged in their favorite board game. Tournament Director Jeff Kuang ran the show smoothly and pairings appeared quickly. A sumptuous lunch was again provided by Arlene and Adam Bridges.

For the second year running, Chen An 7d won the North Carolina State Championship with a perfect 4-0 record. He faced strong competition this year from another 7 dan player, Chengyu Fu, who placed a very respectable second in the event. The Open Section was quite competitive with two 7 dans, a strong 5 dan, two powerful 4 dans and four battling 3 dans.

Section A ended with a tie between Chen Yuan 2d and Sheng Huo 2d, each with a 3-1 record. Justin Blank 3k was the clear victor in Section B with the only other 4-0 score for the day, with Andrew Thieman 7k and John Aiken 8k tying for second place. Section C produced a 3 way tie for first, with Jeremy Marshburn 9k, Ganning Xu 11k, and Bhaskar Bharath 12k each finishing with a 3-1 result. Yet another tie emerged for top honors in Section D between Justin Su 12k and Russell Herman 12k. Complete results and more photos can be found on the club website.

-report and photos provided by Bob Bacon

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Rich Chalmers takes title of Vermont State Champion, sends everyone home with jars of honey

Notizie AGA - Mer, 30/10/2019 - 05:39

A very successful Vermont Go Championship in Middlebury this past weekend attracted participants from far and wide. The 20 player field included five players from Canada and two from Grenoble, France, who happened to be visiting on holiday. Players traveled from Maine, Massachusetts, and throughout New England. Rich Chalmers 1d took first and was crowned Vermont State Champion. Dave Felcan 2d and Dan Deneen 2k claimed second and third place, respectively. In the open handicapped division, Benoit Potvin 11k took first place with the only undefeated record. Robert Lafleche 1k placed second and Andrew Richter 10k placed third.  

Prizes were generous and plentiful. In addition to trophies and framed certificates, sizable gift certificates from Kiseido, Guo Juan’s Internet Go school, and the Yunguseng Dojang were awarded. Prizes also included books donated from Slate and Shell, equipment donated from Yellow Mountain Imports, and Go related goods from local vendors. Everyone received at least one prize. Jars of local honey were given to everyone as a door prize compliments of Rich Chalmer’s farm. Special thanks to Jack Cary for making some awesome posters and tirelessly promoting the tournament.

-report and photos by Pete Schumer

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Last week to register for the Pandanet AGA City League

Notizie AGA - Mer, 30/10/2019 - 01:59

This is the last week to register to play in the tournament. Join the strongest players across the US and Canada in this tournament spanning months. The rules for the tournament outline when games are played and any other information. Starting mid-November you can watch many professionals at least five professionals play. Email the Tournament Director to register or find out more at steve.colburn@usgo.org

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Member’s Edition: Albert Yen 7d on a Correspondence Game

Notizie AGA - Mar, 29/10/2019 - 06:00

download SGF file

Black: Albert Yen 7d
White: anonymous
Commentary: Albert Yen 7d
Game Editor: Myron Souris
Published in the October 29, 2019 edition of the American Go E-Journal

Albert’s commentary, on his recent correspondence game with a strong amateur player, covers a ton of go information that you can find useful on every facet of go, including playing for the last endgame point. Albert gives this game summary, “The game started fairly peaceful. However, after a subtle, yet significant mistake in the middle game I fell far behind. I fought hard in endgame and drew the game to a razor-thin margin. I think this game illustrates that it is better to be patient when one is behind. Most game reversals don’t come from a single blunder, but rather a series of small concessions.”

Albert Yen first started playing go at the age of five after watching Hikaru no Go on television. He received 6 dan at the age of 7 in Taiwan. Albert continued to compete in America after he moved to Chicago in fifth grade and studied under Jiang Mingjiu 7p. To date, he has made several showings in national and international tournaments, including winning representation to the World Youth Goe Championship in 2014, 1st place in the Redmond Cup in 2015, and 4th place at the 2019 World Amateur Go Championship. Albert is currently a second year undergraduate student in UIC’s GPPA BA/MD program in Chicago. Outside of go, Albert enjoys sprinting and running.

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Mark Lee collects 5th Cotsen title

Notizie AGA - Lun, 28/10/2019 - 01:49
Mark Lee (right) with Eric Cotsen; photo by Chris Garlock

Mark Lee won his fifth Cotsen Open title on Sunday, capping his 5-0 sweep with a convincing 123-move win over Andy Liu 1P. “Andy always comes up with new moves, so it was a pretty interesting game,” Lee told the E-Journal after the game. Lee won all five games by resignation. Although he’d been playing a lot of games with Korean professionals and insei before this year’s US Go Congress – where he came in third behind Eiko Kyu and Zhongfan Jian – Lee said he hasn’t had a chance to play much since, due largely to teaching duties with his students. He learned some AI moves studying with the Koreans but says he’s not planning on adding them to his repertoire just yet. “They’re very difficult to understand,” he said. “It’s good to change, but it’s going to be a lot of work,” he laughed. “Maybe I will try later.” This year’s title was especially satisfying, Lee said, “It was the toughest one yet,” due to the large and strong Open Section. “I was really happy to get a chance to play against so many strong players, especially since I don’t get many opportunities to play that many strong players.”

Winner Report
Open Section:
1st: Mark Lee (5-0); 2nd: Andy Liu (4-1); 3rd: Evan Lin (4-1); 4th: Xiaocheng Hu (4-1); 5th: Calvin Sun (4-1); 6th: Ying Ngai Yu (3-2).
Section A (4d-2d): 1st: Kosuke Sato (5-0); 2nd: Zhizhe Zhang (5-0); 3rd: Ashish Varma (4-1)
Section B (1d-2k): 1st: Tony Yang (5-0); 2nd: Tommy Yinhe Liu (5-0); 3rd: Andrew Luo (4-1)
Section C (3k-5k): 1st: Billy Maier (5-0); 2nd: Samuel Kennedy (5-0); 3rd: Shawn Blue (4-1)
Section D (6k-10k): 1st: David Su (4-1); 2nd: Mario Espinoza (4-1); 3rd: Viet Nguyen (4-1)
Section E (11k-30k): 1st: Jiqi Wang (5-0); 2nd: Michael Lee (5-0); 3rd: Xiao Tiao Wang (4-1)

Club prize winner: Santa Monica Go Club

The E-Journal’s coverage this year included broadcasting top boards on OGS and videos on the AGA’s YouTube channel and Facebook page, including interviews with Eric Cotsen, Yilun Yang 7P, Richard Dolen and more
 

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Four players undefeated in Cotsen Open with two rounds to go

Notizie AGA - Dom, 27/10/2019 - 02:45

Defending champion — and four-time winner — Mark Lee has some serious competition in his quest for a fifth Cotsen Open title. Lee swept all three rounds Saturday but with the Open Section one of the biggest and toughest in years, there are some top players still in the hunt with two rounds to play, including Andy Liu 1P, Evan Lin and Ming Lin, a very strong player from Taiwan. All three are also undefeated after three rounds.

Mark Lee (l) in his Round 3 game against Shuaiheng Tao; photo by Chris Garlock

With 155 players this year, the Cotsen moved to a new, more spacious venue in downtown Los Angeles, and once again featured the professional masseuses for go-tensed shoulders and free taco truck lunch that have drawn hungry players from throughout the LA area and as far away as Seattle, WA, Evanston, IL, Tennessee, New York City and even Melbourne, Australia.

The E-Journal’s coverage this year included broadcasting top boards on OGS and videos on the AGA’s YouTube channel and Facebook page, including interviews with Eric Cotsen, Yilun Yang 7P, Richard Dolen and more. CLICK HERE for the top-board game records for rounds 1-3; tune in on OGS for Round 4 Sunday starting at 10:30am PDT.
– report/photo by Chris Garlock

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Cotsen Open set for Saturday in LA

Notizie AGA - Mer, 23/10/2019 - 18:44
At the 2018 Cotsen; photo by Chris Garlock

Over 150 have already registered for this year’s Cotsen Open in Los Angeles, CA. Online registration has closed, but day-of registration is available Saturday, starting at 8a. Everyone must be registered or checked-in (if pre-registered) by 9a if they wish to play in Round 1. The location is the MG Studio, 1319 W 11th St; parking across the street. Registration and check in will be in the back of the building at 1320 Connecticut St. As usual, the Cotsen features free lunch from the Kogi BBQ Taco Truck, free registration for those who play both days, club prizes and Yilun Yang 7P will play a pro-pro game Sunday morning. Online coverage will be provided by the E-Journal; follow us @theaga on Twitter and @AmericanGoAssociation on Facebook, with video coverage on our YouTube channel and top-board games on OGS.

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Member’s Edition: Yuan Zhou on a SDK Game

Notizie AGA - Mar, 22/10/2019 - 06:00

download SGF file

Commentary: Yuan Zhou 7d
Game editors: Bill Cobb, Myron Souris
Published in the October 22, 2019 edition of the American Go E-Journal.

In this no komi game between single digit kyu players, Yuan Zhou gives an enlightening review from the opening to the final death of a big group.

Yuan Zhou 7 dan is one of the strongest players in the US. He has won many titles. Zhou is also a popular teacher, lecturer, and author. He lives in Germantown, MD, and can be reached at yuan.zhou@zhouyuan.com . This commentary is typical for Zhou, who has published several books, including such thorough commentaries of pro games at Slate & Shell (www.slateandshell.com).

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Punti Viaggio aggiornati al 21/10/2019

Home Page sito FIGG - Lun, 21/10/2019 - 14:42
Di seguito, la classifica dei punti viaggio aggiornata al oggi 21/10/2019, valida per i mondiali WAGC e KPMC, al netto dei risultati parziali del Campionato Italiano 2019.

Ben Lockhart: 1993-2019

Notizie AGA - Ven, 18/10/2019 - 20:40

Ben Lockhart, one of the stars of the American go scene, died peacefully at home on Saturday, October 12th, reports his brother Will Lockhart. Ben had been fighting an aggressive cancer for the past two years. “Even in the last stages of his illness, Ben was filled with an amazing energy for life, and a strong sense of himself,” Will said. “I want to express to the go community at large, how thankful I am for the community you gave him. Determined to live his life in his own way, according to his own principles, Ben pursued what he loved completely. As a teenager traveling alone in Korea and Budapest, and as a young man following his own scary and unconventional path, Ben found a world that made sense to him, and in that world you were his second family. You were his second siblings, his teachers, his friends, his guardian angels, his devoted fans.”

The family wanted to reach out to let the go community know Ben has passed. Will plans to write a longer memorial for Ben in the future, celebrating his trajectory through the go scene. Readers who would like to contribute memories, stories or photos of Ben are welcome to do so by email to youth@usgo.org. We will share them with the family when they have had a little time to catch their breath. – Paul Barchilon, EJ Youth Editor

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18th World Students Go Oza Championship Registration ends this weekend

Notizie AGA - Ven, 18/10/2019 - 01:37

Pandanet is holding the 18th World Students Go Oza Championship from February 17-21, 2020 in Tokyo, Japan, where sixteen students from around the world will gather to determine the world’s top student player.

To select the finalists, there will be an online preliminary round on Pandanet; check out the tournament page for details. University/college students under the age of 30 are eligible to participate in the preliminary round (note that students living in China, Korea, Japan and Chinese Taipei cannot participate in the prelim). Application deadline is Sunday October 20.

Pandanet covers airfare, hotel and meals. For any other questions, email Chika Mochizuki and The All-Japan Students GO Association.

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Just two weeks left to register for the Pandanet AGA City League

Notizie AGA - Ven, 18/10/2019 - 01:34

Two weeks remain to register your team for this season. Registration ends Saturday November 2nd. The first round will start on November 17th. Please see the updated rules for the year for any questions. Registration and questions can be sent to steve.colburn@usgo.org. We hope to see your city compete this year!

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The Power Report: Shibano to challenge for Oza title; Son wins King of New Stars; Cho U wins Agon Kiriyama Cup

Notizie AGA - Gio, 17/10/2019 - 14:30

by John Power, Japan correspondent for the E-Journal

Shibano to challenge for Oza title

This is turning into a big year for Shibano Toramaru. Wrapping up the Meijin series by the fifth game enables him to give his undivided attention to the next title match on his calendar. In the play-off to decide the challenger for the 67th Oza title, held on September 20 at the Nihon Ki-in headquarters in Tokyo, he defeated Kyo Kagen 8P (W) by resignation after 195 moves. The title match with Iyama Yuta will start on October 25. At 19 years 11 months, he is the youngest-ever Oza challenger (the previous record was 20 years four months, set by Ichiriki Ryo in in 2017).

Son wins King of New Stars

The best-of-three final of the 44th King of the New Stars tournament featured a clash between Son Makoto 7P and Koike Yoshihiro 4P, two promising players of the younger generation. For Son, it was his last chance, as he had been promoted to 7-dan, and this tournament is restricted to players under 26 and under 7-dan (pairings were made on August 1, 2018, before Son earned his promotion by winning a seat in the Meijin League). He also made the final in 2017, but lost 0-2 to Shibaano Toramaru. In the first game, played on September 30, Son (B) won by 5.5 points. In the second, played on October 7, Son (W) won by resignation. Both games were played at the Nihon Ki-in in Tokyo. First prize is 2,000,000 yen (about $18,700).

Cho U wins Agon Kiriyama Cup

The final of the 26th Agon Kiriyama Cup was held at the headquarters of the Agon sect in Kyoto on October 5. Cho U, then still Meijin, (W) beat Ichiriki Ryo 8p by resignation. This is the fifth time Cho has won this title, the last time being the 19th cup. Ichiriki, the recent king of fast go, is now down to two haya-go titles, the Ryusei and the NHK Cup.

Promotions

To 9-dan: Sakai Maki (200 wins, as of Sept. 20)

To 8-dan: Tsuruyama Atsushi (150 wins, as of Sept. 27)
To 4-dan: Takeuchi Kosuke, Tsuneishi Takashi (both 50 wins, both as of Sept. 13)

To 3-dan: Ueno Asami, Nagashima Kozue (both 40 wins, both as of Sept. 20)

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Go as part of curriculum at U.S. Army Command and General Staff College: an interview with Dr. James Sterrett

Notizie AGA - Mer, 16/10/2019 - 17:35

As the Chief of Simulation Education at the U.S. Army Command and General Staff College at Fort Leavenworth, Dr. James Sterrett uses games and simulations in a variety of ways to teach students. In an interview conducted last month by Chris Ghorbani, Dr. Sterrett described his introduction to the game, as well as how and why he uses go in his classes. From starting in college with a friend “on a home-made board using bottle caps as the stones,” he now uses go to demonstrate the concepts of design elegance. In his class on Training with Simulations, students play go for 30 minutes before discussion on the depth and utility created in the game by just a tiny number of rules. Students use this as inspiration to design and develop their own training games, trying to achieve elegance with their own new game requirements.

Dr. Sterrett describes one of his favorite things about go as being the discussions it provokes in his classes, describing them as “wonderful – not just of strategy, operations, and tactics inside Go, but people wind up drawing parallels between the situation on the board and various situations in current affairs, history, or even their own lives.” He continues in the interview to discuss the game, the rise of AI, and comparisons between go and other games he uses in his curriculum, including kriegspiel and chess. “Go teaches strategy, operations, tactics, and weaving them together to achieve victory,” says Dr. Sterrett. “The lack of a clearly defined center of gravity in Go ensures the players must define it by their decisions, much as in grand strategy. Thus, Go is a superb tool for honing a strategic mindset and seeing the links between the levels of war.” 

Dr. Sterrett concludes by thanking the go community for continued efforts to spread go, and hopes that it is still played thousands of years in the future. Click here to read the full interview.

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The Power Report: Tang wins again in Samsung Cup; Kisei leagues; Nakamura Sumire wins more official games

Notizie AGA - Mer, 16/10/2019 - 14:30

by John Power, Japan correspondent for the E-Journal

Tang wins again in Samsung Cup

The 2019 Samsung Cup (the 23rd) was held at a Samsung training center in Taejon, Korea, from August 30 to September 6. It culminated in a best-of-three final in which Tang Weixing 9P of China beat his compatriot Yang Dingxin 9P 2-1. Apparently Tang had been in a bit of a slump recently, which explains why he was rated only no. 28 in China, but he has always done well in this tournament. After making his international debut by beating Lee Sedol 2-0 to win the 2013 Samsung Cup, he took second place in 2014 and 2017, and in-between won the 8th Ing Cup in 20126.

Japan had only three participants in this 64-player tournament: seeded players Iyama Yuta 9P and Kyo Kagen (Xu Jiayuan) 8P were joined by Cho Sonjin 9P, who won a seat in the senior division in the qualifying tournament. All were eliminated in the first round. Actually Iyama had a very good position against Tang Weixing, so much so that the Japanese team captain Ryu Shikun commented that the game was “hard to lose” for him. However, complicated fighting continued during byo-yomi and Iyama slipped up with move 171. He resigned after move 180. Actually Tang is known for his tenacity and has a good winning percentage in games in which AI programs adjudge him as being behind. Kyo lost to Li Qincheng of China. Li won the 3rd Globis Cup in 2016 and the 28th TV Asia Cup in the same year. The latter win earned him promotion from 2-dan to 9-dan, the biggest leap in rank any professional has made. Cho Sonjin lost to Tao Xinran 7P of China.

Kisei leagues

Kono wins S League

The final game of the S League, played on Sept. 26, was like a final, as the winner would win the league. Taking white, Kono Rin 9P (W) beat Kyo Kagen (Xu Jiayuan) by half a point. Kyo, on 3-1, had held the sole lead in the league going into this game, so this was a come-from-behind victory for Kono. Kyo didn’t even have the consolation of taking second place, which would have got him into the final knock-out section; as he was ranked no. 4, he was pipped by no. 3, Takao Shinji. Four players ended up on 3-2, but there are no play-offs in the Kisei leagues, so Kono, ranked no. 2, took first place.

The A League was won by Ichiriki Ryo 8P who scored seven wins in a row. Cho U was in second place on 4-3; both these players will move up to the S League. Three other players ended on 4-3: Yo Seiki 8P, who came third, Shida Tatsuya 8P, who came fourth, and Shibano Toramaru, then 8P, who will drop to the C League. This is one of Shibano’s rare failures recently. The B1 League was won by Yoda Norimoto 9P on 5-2 and the B2 League by Motoki Katsuya 7P on 6-1. Motoki beat Yoda in the play-off. The C League was won by Suzuki Shinji 7P on 5-0.

The challenger will now be decided by an irregular knock-out. The first game was played on October 9 between Suzuki and Motoki. Taking black, Suzuki won by 5.5 points; next he will play Ichiriki; the winner will play Takao; the winner will play Kono Rin in a “best-of-three” in which Kono starts off with one win. It is very hard for someone beside the winner of the S League to become the challenger. Results in the S League since my last report are given below.

(July 14) Kyo Kagen Gosei (W) beat Yamashita Keigo 9P by 5.5 points.

(August 6) Kyo Kagen (W) beat So Yokoku 9P by resig.

(August 22). Takao Shinji 9P (B) beat Yamashita by 6.5 points; Murakawa Daisuke Judan (W) beat Kono Rin 9P by resig.

(September 5) So Yokoku 9P (W) beat Takao Shinji by 2.5 points; Yamashita (W) beat Murakawa Daisuke Judan by resig.

Nakamura Sumire wins more official games

Ten-year-old Nakamura Sumire picked up her third official win in a game played on September 16. In a game in Preliminary C of the 59th Judan tournament, playing white, she beat Furuta Naoyoshi 4P by 1.5 points after 235 moves. The players are both members of the Kansai branch of the Nihon Ki-in, so the game was played at its headquarters. The game was not going well for her, but she pulled off an upset in the endgame. This is actually her first win in a tournament open to all professionals and her first experience of a three-hour time allowance, which is the mainstream for pro tournaments. On September 30, Sumire played her first game in the main section of the 23rd Women’s Kisei tournament; as detailed in my report of August 22, she set a record by becoming the youngest player to reach the main section of a tournament. The game was played in the Ryusei Studio in the basement of the Nihon Ki-in in Ichigaya in Tokyo. She faced a tough opponent in Mannami Nao 4P, who until recently held a women’s title, the 3rd Senko Cup. Sumire has an aggressive style; she attacked early and seized the initiative, getting a promising game. However, her momentum led her to make an overplay that let Mannami counterattack and stage an upset. Sumire resigned after 227 moves.

On October 2, Sumire played a game in Round One of Preliminary C of the 76th Honinbo tournament. Taking white against Yamamoto Kentaro 5P, she won by resignation after 232 moves. From here, nine successive wins will give Sumire a seat in the league that starts in autumn 2020. Sumire’s official record is now 4-2, which is not only eminently respectable but is also evidence that her selection under the new system was not premature.

Sumire is quite possibly the most popular Nihon Ki-in player just now, so she is often invited to go events. She played an exhibition game at the 9th Hankyu Railway Go Festival in Osaka for Enjoying the Cool of the Evening, held on August 14 & 15. A game pitting Sumire against Hane Ayaka 1P, the daughter of Hane Naoki who also became a professional this year, was one of the main attractions. Taking white, she won by resignation after 150 moves. On move 24, she played an AI innovation, which impressed the commentator on the game, Kobayashi Satoru 9P.

Sumire played another exhibition game at a festival, held on August 25, celebrating the 40th anniversary of the founding of the Nihon Ki-in Hiroshima Prefecture Headquarters. Taking white, she played her first game with Fujisawa Rina, holder of four women’s titles. Sumire went on the attack in the middle game and at one stage was doing quite well–an AI program rated her winning chances at 85%. However, she made a bad threat in a ko fight, so the tide turned against her. She resigned after 187 moves.

Finally, Sumire played two games in a preliminary round for Kansai women players of the 14th Hiroshima Aluminum Cup Young Carp Tournament, an unofficial tournament. In the first round, she played another game with Hane Ayaka (W), which the latter lost on time. In the next round, she lost by resignation to Miyamoto Chiharu 1P (W)

Tommorow: Shibano to challenge for Oza title; Son wins King of New Stars; Cho U wins Agon Kiriyama Cup

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Il più giovane Meijin

Notizie Go Club del Tortellino - Mer, 16/10/2019 - 08:33

Shibano Toramaru: a soli 19 anni, e già professionista 8° dan, ha sfidato per il titolo di Meijin (uno dei titoli maggiori nel Go in Giappone) il campione in carica Cho U.

Il campione ha vinto il primo match, ma il secondo, terzo e quarto match sono stati vinti da Shibano. La quinta ed ultima partita è stata disputata il 7 e 8 ottobre, e ha visto una ulteriore vittoria di Shibano che col bianco ha battuto Cho U per abbandono dopo 252 mosse. Grazie a questa vittoria Shibano è il nuovo Meijin ed è promosso a 9° dan pro.

Shibano detiene ora non solo il titolo, ma anche il record per il giocatore più giovane ad ottenerlo (nemmeno Iyama Yuta ci riuscì così giovane) e il record per il più giovane 9° dan da quando è stata fondata la Nihon Kiin (l’associazione di professionisti di Go giapponese) nel 1924.

Questo il suo percorso:
– nasce nel novembre 1999
– diventa 1° dan pro nel 2015
– vince il titolo Ryusei nel 2017
– vince il match Cina-Giappone nel torneo Ryusei nel 2018, battendo Ke Jie 9p
– promosso a 9° dan pro nel 2019

(fonte: Nihon Kiin)

Vediamo la quinta partita del torneo Meijin:

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Go Spotting: How AI could change science; 9 Dan Girl; A Wise Man’s Fear

Notizie AGA - Mar, 15/10/2019 - 17:00

How AI could change science
“This interesting article about AI and its applications from the University of Chicago uses AlphaGo as an example,” writes Alicia Seifrid. “For example, when someone programmed the rules for the game of Go into an AI, it invented strategies never seen in thousands of years of humans playing the game,” said Brian Nord, an associate scientist in the Kavli Institute for Cosmological Physics and UChicago-affiliated Fermi National Accelerator Laboratory. “Maybe sometimes it will have more interesting ideas than we have.”  

9 Dan Girl
“Bold and strong-willed Yu Ruiwen makes it her lifelong challenge to prove her worth of playing Go” in the 9 Dan Girl manga by Yoshinori Kisaragi, Ri Yin Quing Kong and Bai Ri. “The story of a girl building an outstanding winning history in a game dominated by men,” says Manga Rock. “None of the action of Hikaru and only 15 chapters up so far,” David Bogie. “Translation is a bit crude.” Also available here.

A Wise Man’s Fear
“In the second book of “The Kingkiller Chronicles,” by Patrick Rothfuss, I think called “A Wise Man’s Fear,” they play a game with stones,” writes Eli Strongheart. “They aim to play a beautiful game. I’m fairly certain its Go.”

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The Power Report: Ueno to challenge for Women’s Honinbo; Ueno reaches Ryusei final; New members of Honinbo League

Notizie AGA - Mar, 15/10/2019 - 14:30

by John Power, Japan correspondent for the E-Journal

Ueno to challenge for Women’s Honinbo

The play-off to decide the challenger for the 38th Women’s Honinbo title was held at the Nihon Ki-in in Tokyo on August 29. Ueno Asami, the women’s number two at present, takes a fairly relaxed approach to her games: she doesn’t check up what tournament she’s playing in until the game is over. Perhaps this is to avoid putting extra pressure on herself in important games. However, there was a label at the entrance to the playing room reading “play-off to decide the Women’s Honinbo challenger,” so she could not avoid knowing in advance. It did not affect her play, however. Taking white, she beat Suzuki Ayumi 7P by resig.

Ueno has had a spectacular start to her career. Born on October 26, 2001, she set a record for the youngest woman titleholder when she won the 21st Women’s Kisei in 2018 (she was then 16 years three months old) and defended the title this year. However, her challenge to Fujisawa Rina for the Hollyhock Cup earlier this failed, so she has not yet won a title match with multiple games. Ueno: “I’m happy to be able to play another match with Women’s Honinbo Fujisawa Rina. You can play up to five games, so I won’t get discouraged even if I lose two in a row. I’ll do my best and try to have fun.”

The first game was played at the Kashoen inn in Hanamaki City, Iwate Prefecture, on October 9. Taking white, Fujisawa Rina won by 3.5 points. The second game will be played on October 27.

Ueno reaches Ryusei final

Ueno Asami seems to be enjoying the best form of her career, which is saying something, since she already has some impressive achievements (see Women’s Honinbo article above). She has turned in the best performance by a Japanese woman player in a tournament open to both male and female players. First of all, she did well just to reach the final section of the 28th Ryusei tournament, which means making the best 16. At this point, she shifted to high gear, beating Takao Shinji 9P in the first round and Murakawa Daisuke 8P in the quarterfinals. The latter win made her the first woman to reach the semifinals of an open tournament. She was not finished, though. She defeated Kyo Kagen 8P, securing a seat in the final with Ichiriki Ryo 8P. The final was played on September 23. In the middle game, Ueno (B) cut off a large white group and took away its eye shape. Around move 180, the players following the game in the pressroom thought that White was on the verge of resigning. At this point, perhaps, the pressure got to Asami, for she blundered with 181, a move that let Ichiriki save his group by making a shape that’s called “living with a false eye.” His group had one ordinary eye and two long tails that linked up with a shape like a false eye but which could not be put into atari.

For Ichiriki, this was his second successive Ryusei title and his 16th successive win (the winning streak ended with his next game).

Note: In my report of July 3, I mentioned that Ueno had become (probably) the first woman player to top the list of most games won. Starting on June 7, she maintained that place through the summer. In recent weeks, she has shared top billing with Shibano Toramaru, but she is still number one as of October 4.

New members of Honinbo League

The four vacancies in the 75th Honinbo League have been decided and we have yet another leapfrog promotion for a low-ranked player for winning a seat. On August 15, Shida Tatsuya 7P (B) beat Ko Iso 8P by resignation; he will play in his first league ever. Two seats were decided on August 22. Ichiriki Ryo 8P (W) beat Seto Taiki 8P by 4.5 points and Yokotsuka Riki 3P (B) beat Ida Atsushi 8P by 3.5 points. Ichiriki made an immediate comeback after being eliminated in the previous league. Yokotsuka will make his league debut and earned a promotion to 7-dan (as of August 23). The final seat was decided on September 12 when Kyo Kagen 8P (W) beat Suzuki Shinji 7P by 7.5 points. Kyo will be making his debut in the Honinbo League.

Tomorrow: Tang wins again in Samsung Cup; Kisei leagues; Nakamura Sumire wins more official games

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Member’s Edition: Lessons with Kaz: Common Mistakes

Notizie AGA - Mar, 15/10/2019 - 06:00

download SGF file

Published in the October 15, 2019 edition of the American Go E-Journal.

This commentary on a 3 kyu game covers a potpourri of topics, from strategic issues down to an often-misplayed endgame situation.

A longtime contributor to the American Go E-Journal, former insei Kazunari Furuyama has returned with his popular EJ column, now in sgf files and re-named “Lessons with Kaz”. Visit his newly improved website, including the advice column and example problems. Kaz also has room for offline teaching.

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The Power Report: FineArt wins computer AI go tournament; Hane takes Gosei title; Shibano wins Meijin title

Notizie AGA - Lun, 14/10/2019 - 14:31

by John Power, Japan correspondent for the E-Journal

FineArt wins computer AI go tournament

The 2019 China Securities Cup World AI Open, a tournament to decide the world’s top go-playing computer program, was held in Rizhao City in Shandong Province, China, from August 21 to 25. Fourteen programs from China (8), Japan (1), Korea (2), Chinese Taipei (1), Hong Kong (1), and Belgium (1) took part. Fine Art (China) showed overwhelming strength, beating Golaxy (also China) 4-1 in the final. Third place went to HanDol of Korea and fourth to Leela Zero of Belgium. Japan had high hopes for Globis-AQZ, but after coming third in the first section of the tournament, it was beaten into fifth place in the knock-out stage. This tournament was just one part of a large-scale go festival with various kinds of tournaments for amateurs and professionals. The AI tournament was in its third year. DeepZenGO of Japan won the first tournament and Golaxy of China the second.

Hane takes Gosei title

The fifth game of the 44th Gosei title was played at the headquarters of the Nihon Ki-in in Tokyo on August 23. The challenger, Hane Naoki 9P, had made a good start by winning the first two games, but Kyo Kagen had fought back to win the third and fourth games, so for the first time in five years the title match went the full distance. The game started at 9 a.m. and finished at 6:19 p.m. There was a fierce fight involving a ko, but Hane came out on top and forced a resignation after 150 moves. He made a comeback as Gosei after a gap of eight years (he won the 36th title). At the age of 43, Hane is the oldest titleholder, but, unlike perhaps in Korea or China, this doesn’t cause much comment in Japan. For the record, this is his 9th top-seven title and his 25th overall. First prize is worth 8,000,000 yen (about $74,500).

Shibano wins Meijin title

The 44th Meijin title match was another rare title match not involving Iyama Yuta. The title holder was Cho U (aged 39), who made a comeback last year, taking the title from Iyama. The challenger was Shibano Toramaru 8P, aged 19, who is the top teenaged player in Japan. After losing the opening game, Shibano won four games in a row to take the title. He turns 20 on November 9 (two days before the scheduled seventh game if the match had gone the distance), so he became the first teenaged Meijin, in fact, the first teenager to hold a top-seven title. Briefly, the course of the match was as described below.

The first game was held at the Hotel Chinzanso Tokyo in Bunkyo Ward on August 27 and 28. The challenger (white) took a big lead, but the titleholder played a do-or-die move and pulled off an upset.

The second game was played in Cho U’s hometown of Taipei. Cho (white) took the initiative in the opening, but he made a miscalculation on the second day and had to resign after 195 moves. Shibano commented that he was relieved to pick up a win.

The third game was played at the Gifu Grand Hotel in Gifu City, Gifu Prefecture, on September 17 and 18. Shibano won by resignation after 234 moves. So far, white had won all the games.

The fourth game was played at the Takarazuka Hotel in Takarazuka City, Hyogo Prefecture, on September 25 and 26. Taking black, Shibano won by resignation after 233 moves.

The fifth game was played at the Atami Sekitei, a traditional Japanese inn, on October 7 and 8. Taking white, Shibano won by resignation after 252 moves. This made his score 4-1, so he took the title.

Shibano set a couple of significant records with this victory. At 19 years 11 months, he is the first teenaged Meijin, as mentioned above. The win carries with it an automatic promotion to 9-dan (as of Oct. 9). Shibano reached the top rank in five years one month, which is a new speed record (the old record was Iyama’s seven years six months).

Shibano has been setting records since he became a pro. When he was 17 years eight months old, he won the 26th Ryusei title and last year he beat one of the world’s top players, Ke Jie, in the 4th Japan-China Ryusei play-off. In person, he’s quiet and unassuming, but on the go board he is aggressive and always looks for the strongest move. He’s well informed about AI go and plays a lot on the net, especially with Chinese players. He’s said to play up to 30 games a day.

Tomorrow: Ueno to challenge for Women’s Honinbo; Ueno reaches Ryusei final; New members of Honinbo League

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