(;GC[by Kim Byung Min (6p)]EV[Madrid, 2002]SZ[19]C[White to play and kill]AB[ac][bd][cd][dc][db][eb][cb]AW[bc][be][ce][de][dd][ec][fc][fb][hb]GN[Tsumego 23] ;W[ab];B[ad];W[bb];B[ba];W[ea];B[da];W[ae])