(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]C[Black to play]AB[or][oq][op][no][nn][qr][lq]AW[oo][po][qp][np][mp][nr][lo][qm]
(;B[nq]C[Black can capture a stone with this sequence.];W[mq];B[mr];W[lr];B[ns]
;W[kq]C[However White gets an outside position and the two Black stones in the centre are drifting.])
(;B[qq]C[Anything in the corner allows White to patch up thee shape.];W[nq])
(;B[mr]C[This is the play that keeps the Black edge stones connected together and now White is drifting too.]
(;W[ns]C[This does not help.];B[nq];W[mq];B[lr])
(;W[nq]C[Nor does this.];B[ns])))
