(;GM[1]FF[4]SZ[19]
GN[Solid defense]
PC[http://senseis.xmp.net/?ActiveDefense]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ActiveDefense

Solid defense]
PL[W]

AB[pd][jp][pp][fq]
AW[dd][cn][dp]

;W[qn]C[W1]MN[1]
;B[nq]C[B2]MN[2]

;
)
