(;GM[1]FF[4]SZ[19]
GN[Bad defense]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem288/Solution]AP[GoWiki:2009]
DT[2023-02-10]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem288/Solution

Bad defense]
PL[W]

AB[rb][sb][nc][pc][qc][nd][od][me][mf][rf][ng][og][pg][rg]
AW[lc][rc][sc][ld][md][pd][qd][rd][ne][oe][pe][re][se]
LB[qa:a]

;W[nb]C[W1]MN[1]
;B[ob]C[B2]MN[2]
;W[mc]C[W3]MN[3]
;B[oc]C[B4]MN[4]
;W[pa]C[W5]MN[5]

;LB[qa:a]
)
