(;GM[1]FF[4]AP[Drago:4.22.03]SZ[19]CA[UTF-8]AB[rr][qr][rp][qp][pq][pp][oq][or]AW[qq][rq][sr][sp][ro][qo][po][op][np][nq][nr]C[Black to play and live]
(;B[sq]C[Taking the stones look obvious, but it dies];W[rq];B[ps]
;W[rs]C[One eye only])
(;B[rs]C[The empty triangle is the trick here]
(;W[ps]C[This fails];B[ss])
(;W[os]C[This is atari but does not kill];B[sq];W[rq];B[ps])
(;W[sq]C[This saves the two white stones];B[ps]C[Black easily lives])))
