Attacking and Defending Weak Groups

SGF of Pro Games

Many of the positions in the book are taken from actual pro games. To make it easy for you to study these games, they are listed below. You can also find these games in the SmartGo Kifu app for iPhone and iPad, the SmartGo app for Mac or Windows, or the GoGoD game collection.

Problem Black White Date SGF
2 Iyama Yuta Yamashita Keigo October 1, 2011 2011-10-01c
3 Yamashita Keigo Kato Atsushi July 28, 2011 2011-07-28a
4 Uchida Shuhei Mizokami Tomochika December 8, 2011 2011-12-08e
5 Yamashiro Hiroshi Takemiya Masaki March 3, 2011 2011-03-03c
6 Kobayashi Koichi Kato Masao December 28, 1981 1981-12-28b
7 Sakai Hideyuki Shuto Shun November 3, 2011 2011-11-03r
8 Kobayashi Koichi Kato Atsushi April 7, 2011 2011-04-07j
10 Cho Chikun Yuki Satoshi January 13, 2011 2011-01-13o
12 Cho U Cho Chikun August 4, 2011 2011-08-04n
13 Okuda Aya Yoshihara Yukari March 22, 2012 2012-03-22i
14 Kang Yu-t’aek Tan Xiao November 29, 2011 2011-11-29a
15 Sakata Eio Rin Kaiho June 5 and 6, 1967 1967-06-05a
16 Komatsu Hideki Kimu Sujun June 9, 2011 2011-06-09aa
17 Ryu Shikun Mitsunaga Junzo April 19, 2012 2012-04-19d
18 Hane Naoki Cho U March 7, 2013 2013-03-07k
19 Hane Naoki Yamashita Keigo June 29 & 30, 2011 2011-06-29c
20 Gu Li Weon Seong-jin December 5, 2011 2011-12-05c
22 Kurotaki Masanori Otake Hideo December 20, 2012 2012-12-20h
23 Hikosaka Naoto Yoda Norimoto July 7, 2011 2011-07-07p
24 Cho Sonjin Ko Mosei December 20, 2012 2012-12-20k
25 Takao Shinji Kobayashi Satoru February 17, 2011 2011-02-17g
26 Xie Yimin Mukai Chiaki October 24, 2011 2011-10-24e
29 Cho U O Rissei August 25, 2011 2011-08-25aa
30 Cho Chikun Mitani Tetsuya November 25, 2010 2010-11-25k
31 Sakai Takeshi Cho Sonjin March 1, 2012 2012-03-01m
32 Iyama Yuta Yamashita Keigo October 5, 2011 2011-10-05e
33 Iyama Yuta Cho U January 13 & 14, 2011 2011-01-13l
34 Iyama Yuta Takao Shinji June 29 & 30, 2016 2016-06-29f
35 Yashiro Kumiko Mannami Nao April 14, 2011 2011-04-14n
36 Hane Naoki Yamashita Keigo July 20 & 21, 2011 2011-07-20a
37 Cho U Iyama Yuta March 3, 2011 2011-03-03b
38 Miyazawa Goro Takemiya Masaki August 25, 2011 2011-08-25ab
39 Yamashiro Hiroshi Yamashita Keigo February 24, 2011 2011-02-24n
40 Kono Rin Takao Shinji April 19, 2012 2012-04-19p
41 Xie Yimin Mukai Chiaki March 14, 2012 2012-03-14b
42 Fujisawa Shuko Sakata Eio August 14 & 15, 1963 1963-08-14a
43 Yamada Kimio Cho U November 4, 2010 2010-11-04d
44 Yuki Satoshi Iyama Yuta November 17, 2011 2011-11-17a
45 Honda Kunihisa Yamashita Keigo March 8, 2012 2012-03-08j
46 Suzuki Shinji Rin Kaiho November 11, 2010 2010-11-11r
47 Nakane Naoyuki Otake Hideo August 18, 2011 2011-08-18b
48 Takao Shinji Yuki Satoshi January 19, 2012 2012-01-19g
49 Tahara Yasufumi Ishida Yoshio February 28, 2013 2013-02-28l
50 Takemiya Masaki Kono Rin July 14, 2011 2011-07-14ae
51 Xie Yimin Umezawa Yukari February 1, 2011 2011-02-01g
53 Hane Naoki Yamashita Keigo May 11 & 12, 2011 2011-05-11a
54 Shiraishi Yuichi Mitani Tetsuya September 24, 2010 2010-09-24a
55 Iyama Yuta Cho U February 24 & 25, 2011 2011-02-24c
56 Ryu Shikun Ha Yeong-il November 24, 2011 2011-11-24p
57 Mannami Nao Suzuki Ayumi November 3, 2011 2011-11-03d
58 Kono Rin Yo Kaei March 21, 2013 2013-03-21b
59 Iyama Yuta Cho Sonjin February 7, 2011 2011-02-07d
60 Murakawa Daisuke Komatsu Hideki November 8, 2012 2012-11-08n
61 Rin Kaiho Endo Yoshifumi February 3, 2011 2011-02-03j
62 Kono Rin Yamada Takuji July 21, 2011 2011-07-21f