(;GM[1]FF[4]SZ[19]
GN[diagram 4-1 : Dangerous for Black.]
PC[http://senseis.xmp.net/?SomeBasicTipsForFuseki]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SomeBasicTipsForFuseki

diagram 4-1 : Dangerous for Black.]
PL[B]

AB[qc][qd][qf][rf][dp][pp]
AW[pc][dd][pd][pe][og][qh]
CR[pc][qc][pd][qd][pe][qf][rf][og][qh]

;B[jc]C[B1]MN[1]
;W[hc]C[W2]MN[2]
;B[mc]C[B3]MN[3]
;W[ie]C[W4]MN[4]

;CR[pc][qc][pd][qd][pe][qf][rf][og][qh]
)
