(;
GM[1]FF[4]VW[]AP[Many Faces of Go:10.0]
SZ[13]
HA[0]
ST[1]
DT[2001-08-13]
KM[0.0]
RU[GOE]
AB[lb][lc][ld][kc][jb][ka][ck][dg][ei][fb][fc][fd][ee][db][cd][ej][fk][fl][fh][eg][fg][lj][kk][jj][ij][md][lf][gm][fm][gc]
AW[ib][jc][kd][jd][le][jf][hc][fi][gb][gd][fe][ff][ia][fj][gl][gk][gh][gg][jk][kg][lh][kl][ll][ik][me][ke][hm][hl]
C[After the previous problem, Black has played at 1 rather than
protecting his corner. How can white punish him?
]
PL[W]LB[gc:A]
(;W[mb]
(;B[ma]
(;W[la];B[ge];W[ma];B[mc];W[ja];B[ma];W[kb]
C[White has given up too much when black plays A
]LB[ge:A]
)
(;W[ja];B[kb];W[la]
C[RIGHT
]))
(;B[ja];W[la]))
(;W[ja];B[mb]
C[Black is unconditionally alive.
])
(;W[ge];B[ja]
C[Black has had another chance to repair his defect.
]))