(;GM[1]FF[4]SZ[19]
GN[Even if black falls for the trick play, top left has gained much strength]
PC[http://senseis.xmp.net/?Derek83]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Derek83

Even if black falls for the trick play, top left has gained much strength]
PL[B]

AB[dd][jd][pd][dj][jj][pj][dn][dp][pp]
AW[kd][qf][fq]

;B[kc]C[B1]MN[1]
;W[lc]C[W2]MN[2]
;B[jc]C[B3]MN[3]
;W[nc]C[W4]MN[4]
;B[ld]C[B5]MN[5]
;W[md]C[W6]MN[6]
;B[le]C[B7]MN[7]
;W[me]C[W8]MN[8]

;
)
