(;FF[4]
CA[UTF-8]
GM[1]
GN[Demo Board]
PC[https://online-go.com/review/854121]
PB[Black]
PW[White]
BR[3p]
WR[3p]
OT[Error: time control missing]
RE[?]
SZ[7]
KM[7.5]
RU[Chinese]

;AB[aa]
;AB[ab]
;AB[ac]
;AB[ad]
;AB[ae]
;AB[af]
;AB[be]
;AB[bg]
;AB[cf]
;AB[cg]
;AB[df]
;AB[de]
;AB[ee]
;AB[fe]
;AB[ge]
;AB[gd]
;AB[fd]
;AB[fc]
;AB[eg]
;AW[fg]
;AW[ff]
;AW[gf]
;AW[ef]
;AW[ce]
;AW[cd]
;AW[bd]
;AW[dd]
;AW[ed]
;AW[ec]
;AW[eb]
;AW[fb]
;AW[gb]
;AW[fa]
;AW[db]
;AW[da]
;AW[cb]
;AW[bb]
;B[]C[White to play.
(area scoring + superko)]
)