(;GM[1]FF[4]SZ[19]
GN[A tough variation 1]
PC[http://senseis.xmp.net/?BQM16]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM16

A tough variation 1]
PL[B]

AB[eo][go][fp][dq][cr][er]
AW[fn][do][fo][cp][gp][hp][pp][cq]

;B[en]C[B1]MN[1]
;W[ep]C[W2]MN[2]
;B[dp]C[B3]MN[3]
;W[fq]C[W4]MN[4]
;B[eq]C[B5]MN[5]
;B[dn]C[B7]MN[7]
;W[co]C[W8]MN[8]
;B[cn]C[B9]MN[9]

;
)
