(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]AB[pq][oq][nq][mp][mo][nn][qp][qo][qn]AW[qq][rq][mq][mr][np][op][pp][oo][pn][qr]C[Black to play]
(;B[pm]C[Black can try to seal White in];W[pr];B[on];W[or];B[po]
;W[nr]C[However Black loses the capturing race.])
(;B[po]C[This clearly fails.];W[on])
(;B[on]C[Black should play here, trap four white stones and win the capturing race];W[pr];B[po]))
