(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PB[Black to play]AW[no][oo][po][qo][ro][np][rp][oq][rq][nr][or][rr][ms][rs]AB[mp][op][pp][qp][mq][nq][qq][mr][pr][qr][ls][qs]C[Black to play and rescue 7 stones.]
(;B[ns]C[Taking the one stone fails.]
;W[os]C[The result is seki. Black do better.])
(;B[ps]C[This fails.]
;W[os])
(;B[os]C[This is the play that uses White's bad shape. All White's plays here are now self-atari.]
(;W[ns]
;B[pq])
(;W[pq]
;B[ns])))
