(;GM[1]FF[4]SZ[19]
GN[Problem 501]
PC[http://senseis.xmp.net/?FiveHundredAndOneOpeningProblems]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?FiveHundredAndOneOpeningProblems

Problem 501]
PL[W]

AB[ic][pd][pj][oo][qo][ep][op][pp][cq][dq][mq][qq][pr][qr]
AW[dc][ce][dn][pn][qn][po][cp][qp][rp][bq][pq][rq][rr]


;
)
