(;GM[1]FF[4]SZ[19]
GN[A ko]
PC[http://senseis.xmp.net/?MiddleGameExercise4]AP[GoWiki:2009]
DT[2015-08-27]
C[Diagram from http://senseis.xmp.net/?MiddleGameExercise4

A ko]
PL[B]

AB[jd][pd][de][fe][ge][ie][hf][qp][fq][oq]
AW[dc][gc][hc][gd][id][he][je][dg][cn][dp][hq]
LB[ic:a][ed:b][eq:c][pq:d]

;B[hd]C[B1]MN[1]

;LB[ic:a][ed:b][eq:c][pq:d]
)
