(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]AB[rr][qr][qq][oq][or][mr]AW[rq][rp][qp][pq][po][op][mp][lq][lr]C[Black to play and live.]
(;B[pr]C[This play is incorrect, Black cannot make two eyes.];W[sr];B[nq];W[ns];B[ms];W[rs];B[qs];W[os])
(;B[sr]C[This also fails.];W[pr];B[ps];W[pp];B[nq];W[ns];B[ms]
;W[os]C[The left eye is now false.])
(;B[ps]C[This is the correct play.];W[sr];B[rs];W[nq];B[nr];W[ms]
;B[ns]C[White cannot take away the two eyes.]))
