(;GC[by Kim Byung Min (6p)]EV[Madrid, 2002]SZ[19]C[White to play and kill]AB[cb][db][bc][bd][ce][cf][bf][dg][eg][eh][gh][di][ci][bi]AW[bb][cc][cd][dd][de][df][fe][fc][be][cg][ch][dh][bh][ei][ej][dk][ck][bk]GN[Tsumego 31]
;W[ae];B[af];W[ai];B[aj];W[ah];B[bj];W[ak])