(;GM[1]FF[4]CA[UTF-8]AP[Sabaki:0.51.1]KM[6.5]SZ[19]DT[2020-07-11]AB[bd][cc][cb][db]AW[dc][ec][eb][gc][cd][ce][cg]PL[W];W[be];B[ac];W[ba];B[bb];W[ae];B[ad]C[Black should play here because ...];W[ab];B[aa]C[... white has to seek ko threat first.])