(;
AB[lo][mo][no][kp][kq][kr][ks][op][pp][qp][rq][rr][rs]
AW[lp][lq][lr][mp][np][nq][oq][qq][qr][ms]
C[Black plays.];
B[or]
C[After a quick analysis of White's eye space, most players should put this attacking point at or near the top of their list of moves to try.

Can you read out the remaining killing sequence?]
(;
W[pr]
C[White seems to have enough eye space, but ...];
B[ps];W[os];B[nr];W[pq];B[mr];W[qs];B[ls]
C[... White runs out of defensive resources.]
)
    (;
    W[os]
    C[A desperate try, but ...];
    B[pr];W[pq];B[qs]
    C[... Black connects out with White having only one eye.]
    )
)

