(;GM[1]FF[4]SZ[19]
GN[Grab center influence in excahnage for corner.]
PC[http://senseis.xmp.net/?BQM250]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM250

Grab center influence in excahnage for corner.]
PL[W]

AB[oc][dd][qd][ce][dm][dn][qn][ep][cq][dq][hq][pq]
AW[dc][qg][ch][qj][cl][cm][bo][cp][bq][jq][mq]
SQ[dc]

;W[ed]C[W1]MN[1]
;B[ec]C[B2]MN[2]
;W[de]C[W3]MN[3]
;B[cd]C[B4]MN[4]
;W[fc]C[W5]MN[5]
;B[eb]C[B6]MN[6]
;W[gf]C[W7]MN[7]

;SQ[dc]
)
