(;GM[1]FF[4]SZ[19]
GN[Error upon error]
PC[https://senseis.xmp.net/?BillSpightsElfPositionalJudgmentExercises/Game7ELFsSolution]AP[GoWiki:2009]
DT[2019-12-07]
C[Diagram from https://senseis.xmp.net/?BillSpightsElfPositionalJudgmentExercises/Game7ELFsSolution

Error upon error]
PL[B]

AB[pd][po][qp][eq][kq][qq]
AW[dc][qo][ro][cp][pp][oq]

;B[pn]C[B13]MN[13]
;W[pq]C[W14]MN[14]
;B[rp]C[B15]MN[15]
;W[qm]C[W16]MN[16]
;B[rr]C[B17]MN[17]
;W[pr]C[W18]MN[18]
;B[sq]C[B19]MN[19]
;W[lp]C[W20]MN[20]

;
)
