(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]AB[rr][rq][qp][pp][op][nq][mp][lq]AW[np][no][rp][ro][qn][oq][pq][qq]C[Black to play and capture.]
(;B[oo]C[Black can try to fight on the outside.];W[on];B[nn];W[mo];B[pn];W[om];B[pm]
;W[po]C[Black is caught in a snap-back.])
(;B[nr]C[This protects a weakness,  but is not fast enough.];W[oo];B[or];W[po])
(;B[or]C[This is the correct move, though White can try and use the atari to escape.];W[nr]
(;B[mr]C[Black should not allow this ko.];W[mq])
(;B[mq];W[pr]
;B[ps]C[Balck can play here keeping White short of liberties.];W[os]
;B[qs]C[White is still a liberty behind.];W[oo];B[qr])))
