(;GM[1]FF[4]SZ[19]
GN[Black to win the capturing race]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem83/Solution]AP[GoWiki:2009]
DT[2012-11-21]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem83/Solution

Black to win the capturing race]
PL[B]

AB[ca][cb][gb][bc][cc][gc][dd][ed][cf][df]
AW[da][db][eb][fb][dc][bd][cd][bf][cg]

;B[ad]C[B1]MN[1]
;W[ae]C[W2]MN[2]
;B[ce]C[B3]MN[3]
;W[be]C[W4]MN[4]
;B[bg]C[B5]MN[5]
;W[ac]C[W6]MN[6]
;B[ab]C[B7]MN[7]
;W[ba]C[W8]MN[8]

;
)
