(;GM[1]FF[4]SZ[19]
GN[One stone sacrifice]
PC[http://senseis.xmp.net/?BQM300]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM300

One stone sacrifice]
PL[B]

AB[dd][od][dj][pm][eo][go][cp][dp][op][pp][hq]
AW[qd][pf][cn][ro][mp][cq][dq][fq][pq][qq][nr]

;B[er]C[B1]MN[1]
;W[eq]C[W2]MN[2]
;B[fr]C[B3]MN[3]
;W[gr]C[W4]MN[4]
;B[gq]C[B5]MN[5]
;W[dr]C[W6]MN[6]
;B[hr]C[B7]MN[7]

;
)
