(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]AB[sr][rr][rq][qr][qs][pq][oq][po][qo][rn][np][no][mo]AW[ss][sq][sp][pr][qq][qp][rp][or][nq][mq][mp][lr]C[Black to save the corner]
(;B[pp]C[If Black fills a liberty it is not fast enough and loses the liberty race.];W[ps];B[ro];W[rs])
(;B[nr]C[This is the play that gains extra liberties for Black.];W[ns];B[pp];W[mr]
;B[ro]C[Black wins the race.];W[ps];B[so]))
