(;GM[1]FF[4]SZ[19]
GN[B2 is a double threat]
PC[http://senseis.xmp.net/?DoubleThreat]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DoubleThreat

B2 is a double threat]
PL[W]

AB[mc][hd][pd][pg][ph][li][pi][mm][nm][om][qm][pn][qn][cp][fp][qp][dq][eq][fq][hq][pq]
AW[dc][fc][oh][di][oi][oj][pj][pl][ql][pm][nn][on][bo][co][fo][go][ep][gp][op][oq]
LB[mk:b][lp:a]

;W[lk]C[W1]MN[1]
;B[km]C[B2]MN[2]

;LB[mk:b][lp:a]
)
