(;GM[1]FF[4]SZ[19]
GN[White's dive help's give black thickness and solidfy (Joseki).]
PC[http://senseis.xmp.net/?Derek83]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Derek83

White's dive help's give black thickness and solidfy (Joseki).]
PL[B]

AB[dd][pd][jj][dp][pp]
AW[qf]

;B[pi]C[B1]MN[1]
;W[qc]C[W2]MN[2]
;B[qd]C[B3]MN[3]
;W[pc]C[W4]MN[4]
;B[od]C[B5]MN[5]
;W[rd]C[W6]MN[6]
;B[re]C[B7]MN[7]
;W[rc]C[W8]MN[8]
;B[qe]C[B9]MN[9]

;
)
