(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]AW[rr][sp][rp][qp][qq][pq][oq][nr][mr][mq][lq][lp]AB[or][pr][qr][nq][np][mp][op][pp][po][qo][ro][so]C[Black to play.]
(;B[sq]C[Playing this atari fails.];W[rq];B[rs];W[sr];B[qs];W[os])
(;B[sr]C[This is the correct play.]
(;W[rq]
;B[rs]C[White runs out of liberties.])
(;W[rs]
;B[rq]C[Snap-back shape.])
))
