(;GM[1]FF[4]SZ[19]
GN[Black makes thickness with sente]
PC[http://senseis.xmp.net/?ThicknessExample6]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ThicknessExample6

Black makes thickness with sente]
PL[B]

AB[eb][ec][oc][cd][qd][de][ee][dh][qj]
AW[fc][ed][gd][ld][fe][fg][op][qp][cq]

;B[dp]C[B1]MN[1]
;W[cp]C[W2]MN[2]
;B[do]C[B3]MN[3]
;W[er]C[W4]MN[4]
;B[gp]C[B5]MN[5]
;W[bn]C[W6]MN[6]
;B[qm]C[B7]MN[7]
;W[lp]C[W8]MN[8]

;
)
