(;AB[rr]AB[pr]AB[or]AW[pq]AW[pp]AW[qp]AW[rq]AW[sp]AW[ro]AW[rn]AB[rm]AB[qm]AB[rk]AB[qo]AB[qn]AW[oq]AW[nq]AB[nr]AB[mq]AB[mp]AB[np]AB[op]AB[po]C[W to live]AP[goproblems]
(;W[qr];B[qs]
(;W[qq]
(;B[sn]C[]
(;W[rs];B[ss]
(;W[ps]
(;B[sq]
(;W[rs]C[White lives by double ko.RIGHT]TR[sq])
(;W[sr]C[Alive by double ko.RIGHT]TR[qs]))
(;B[os];W[sq]C[];B[mr];W[sr]MA[rr]MA[ss]C[RIGHT]))
(;W[sq];B[ps])
(;W[sr];B[sq]C[Ko]))
(;W[ps];B[rs])
(;W[mr]C[NOTTHIS]))
(;B[rs];W[sn];B[sr];W[sq]C[Black's best defense pointwise.RIGHT]))
(;W[sn];B[qq]C[ko])
(;W[sr];B[qq]C[Ko]))
(;W[sn];B[qr];W[qq];B[sr];W[sq]C[Alive, but you could have reduced Black by 2 points moreRIGHT]MA[rs]MA[qs])
(;W[sr];B[qr]MA[qq]MA[sn]C[miai]))