(;GM[1]FF[4]SZ[19]
GN[Black gives double atari]
PC[http://senseis.xmp.net/?BeginnerExercise224/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise224/Attempts

Black gives double atari]
PL[B]

AB[jn][io][ko][gp][hp][ip][jp][kp][lp][mp][gq][jq][mq][ir]
AW[fm][im][jm][km][nm][hn][ln][fo][ho][lo][no][fp][np][fq][hq][iq][kq][lq][nq][fr][gr][hr][jr][lr][mr][nr][js]
CR[lr]
SQ[js]

;B[kr]C[B1]MN[1]

;CR[lr]
SQ[js]
)
