(;GM[1]FF[4]SZ[19]
GN[Defend and sacrifice]
PC[http://senseis.xmp.net/?BQM582]AP[GoWiki:2009]
DT[2013-07-23]
C[Diagram from http://senseis.xmp.net/?BQM582

Defend and sacrifice]
PL[B]

AB[gn][fo][dp][fp][ip][pp][dq][jq]
AW[cn][go][gp][eq][fq][hq][iq]
LB[jp:a]

;B[kp]C[B1]MN[1]
;W[ep]C[W2]MN[2]
;B[do]C[B3]MN[3]
;W[eo]C[W4]MN[4]
;B[dn]C[B5]MN[5]
;W[fn]C[W6]MN[6]
;B[cm]C[B7]MN[7]

;LB[jp:a]
)
