(;GM[1]FF[4]SZ[19]
GN[A favorite Cho U opening]
PC[http://senseis.xmp.net/?Black3IsAnApproach]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Black3IsAnApproach

A favorite Cho U opening]
PL[B]


;B[qd]C[B1]MN[1]
;W[dc]C[W2]MN[2]
;B[de]C[B3]MN[3]

;
)
