(;GM[1]FF[4]SZ[19]
GN[Black to play & kill the upper right group]
PC[http://senseis.xmp.net/?TsumegoFromGames138/Attempts]AP[GoWiki:2009]
DT[2009-07-27]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames138/Attempts

Black to play & kill the upper right group]
PL[B]

AB[mb][rb][mc][nc][oc][sc][kd][nd][od][pd][qd][rd][de][ke][ne][cf][of][cg][ng][og][pg][sg][nh][oh][qh][qi][qj][rj][nk][pm][qm][on][dp][lp][mp][np][nq][pq][mr][or][qr][ps]
AW[na][pa][nb][ob][qb][dc][jc][pc][qc][rc][cd][jd][ce][me][oe][pe][re][df][ef][mf][nf][pf][qf][sf][lg][qg][rh][li][ri][oj][mm][qn][mo][no][oo][po][op][mq][oq][nr]
LB[qe:a]

;B[rg]C[B1]MN[1]
;W[sd]C[W2]MN[2]

;LB[qe:a]
)
