
Page 12 - Note the diagram for Problem 2 was incorrect - see below
Page 39 - Weak Group Theory game [1]
BGJ 139 [12]
Up a level [13]
Links:
[1] http://britgo.org/files/bgjgames/140-p39.sgf
[2] http://britgo.org/files/bgjgames/140a.sgf
[3] http://britgo.org/files/bgjgames/140b.sgf
[4] http://britgo.org/files/bgjgames/140c.sgf
[5] http://britgo.org/files/bgjgames/140d.sgf
[6] http://britgo.org/files/bgjgames/140e.sgf
[7] http://britgo.org/files/bgjgames/140ax.sgf
[8] http://britgo.org/files/bgjgames/140bx.sgf
[9] http://britgo.org/files/bgjgames/140cx.sgf
[10] http://britgo.org/files/bgjgames/140dx.sgf
[11] http://britgo.org/files/bgjgames/140ex.sgf
[12] http://britgo.org/bgj/issue139
[13] http://britgo.org/bgj/recent.html