(;GM[1]FF[4]SZ[19]
GN[B White protects in sente 2]
PC[http://senseis.xmp.net/?BeginnerMoveFunctionProblem2/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerMoveFunctionProblem2/Solution

B White protects in sente 2]
PL[B]

AB[ql][pp][oq][pq][qq][rq][nr][or]
AW[on][pn][no][po][op][qp][rp][nq]

;B[rn]C[B1]MN[1]
;W[rm]C[W2]MN[2]
;B[qn]C[B3]MN[3]
;W[qm]C[W4]MN[4]
;B[pm]C[B5]MN[5]
;W[ro]C[W6]MN[6]
;B[sm]C[B7]MN[7]
;W[qo]C[W8]MN[8]
;B[rl]C[B9]MN[9]

;
)
