(;GM[1]FF[4]SZ[19]
GN[A pincer to prevent Black from forming a moyo]
PC[http://senseis.xmp.net/?PGB31]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PGB31

A pincer to prevent Black from forming a moyo]
PL[W]

AB[bb][gb][bc][cc][fc][hc][ad][cd][fd][gd][od][be][de][ee][bf]
AW[ba][ca][ea][cb][db][fb][dc][ec][dd][qd][ce][cf][bg][cg]
LB[oc:a]

;W[mc]C[W1]MN[1]

;LB[oc:a]
)
