(;GM[1]FF[4]SZ[19]
GN[Intermediate Level, Problems 1-4, Black to play and kill.]
PC[http://senseis.xmp.net/?WeiqiLifeAndDeathDrills]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?WeiqiLifeAndDeathDrills

Intermediate Level, Problems 1-4, Black to play and kill.]
PL[B]

AB[na][bb][cb][jb][nb][hc][ic][kc][nc][cd][id][nd][od][pd][qd][ce][de][ge][re][se][ef][gf][if][jf][dg][gg][om][pm][qm][rm][nn][rn][eo][fo][go][no][qo][cp][dp][ep][gp][op][qp][gq][hq][oq][hr][or][pr]
AW[ca][oa][db][ob][rb][dc][gc][oc][pc][dd][gd][hd][sd][ee][fe][he][cn][en][pn][qn][ro][fp][rp][eq][fq][iq][qq][cr][fr][gr][rr]


;
)
