(
;
FF[4]
GM[1]
SZ[19]
AP[Jago:Version 4.33]
AW[dc][gc][hb][ge][cg]
AB[ce][cf][dg][fd][ee][kc]
C[White's corner position seems thin. But how thin?]
GN[temp]
(
;
B[db]
(
;
W[cb]
(
;
B[fb]
C[RIGHT white can live in the corner in gote, starting with a for b, but then his center stones are up for grabs.]
LB[eb:a][fc:b]
)
(
;
B[ec]
;
W[eb]
;
B[fb]
;
W[da]
;
B[fc]
C[Good, but not perfect. Playing b immediately is superior to a. In effect Black has made the unnecessary exchange of a for c. Black can still steal whites eyes in the corner if W doesn't play there, but the W option of playing d was created by Ba.]
LB[ec:a][fb:b][da:c][fa:d]
)
)
(
;
W[eb]
;
B[cb]
;
W[ed]
(
;
B[fe]
;
W[cc]
;
B[bc]
;
W[bb]
;
B[ba]
;
W[ab]
;
B[ac]
;
W[bd]
;
B[aa]
;
W[cd]
;
B[fc]
C[RIGHT whites position disintigrates]
TR[eb]
)
(
;
B[fc]
LB[fb:a][ec:b][cc:c][fe:d]
C[RIGHT White cannot even get both a and b., when he really needs to attack at c. Cutting at d doesn't work either.]
)
)
)
(
;
B[eb]
;
W[ec]
;
B[db]
;
W[cc]
;
B[fc]
;
W[fb]
;
B[fa]
;
W[gb]
;
B[cb]
;
W[bc]
TR[eb]
C[unhappily, the shape attack fails]
)
)