(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]AB[qr][pq][pp][op][np][nq][nr][mr]AW[rr][qq][rp][rn][qn][on][no][mn][mp][mq][lr][kq]C[Black to play and live.]
(;B[qs]C[Making a large eye space like this fails.];W[or];B[os];W[pr];B[ms]
;W[rs]C[Black dies.])
(;B[os]C[This is the correct play.]
(;W[qs]C[White can capture one stone starting here.];B[ms];W[pr]
;B[or]C[Black lives.])
(;W[pr]C[This also allows Black to live.]
(;B[or]
(;W[qs];B[ms])
(;W[ms];B[qs]))
(;B[qs];W[rs]
(;B[ps]C[This way Black dies.];W[or];B[oq];W[ms])
(;B[or]C[Black has to give up two stones now.];W[ps];B[ms])))
(;W[ms]
;B[qs]C[If White plays here Black lives by playing here.])))
