(;AW[rr]AW[rq]AW[qq]AW[pr]AB[pq]AB[pp]AB[qp]AB[rp]AB[po]AB[pn]AB[pm]AB[qm]AB[rm]AW[rl]AW[rk]AW[pl]AW[pk]AW[om]AW[on]AW[oo]AW[oq]AW[nq]AB[sr]AP[goproblems]
(;B[qr]
(;W[qs]C[Right, U had to force white to choose between A or B first.CHOICE]LB[qs:A]LB[rs:B];B[sq]
(;W[rs]C[If white doesn't want to play the ko?CHOICE];B[ro]
(;W[sp]C[CHOICE];B[qn];W[sn];B[sm]C[RIGHT])
(;W[qn];B[sp];W[sn];B[sm];W[rn]C[This is best for both, if white doesn't wont to play the ko.RIGHT]))
(;W[sm];B[rs]C[Ko is right. (best for both if white doesn't choose seki)RIGHT]))
(;W[rs]LB[qs:A]LB[rs:B]C[Right, U had to force white to choose between A or B first.CHOICE];B[ro];W[sp];B[qn];W[sn];B[sm];W[so];B[sq]C[Good - white can get also ko.RIGHT]))
(;B[sq];W[sm];B[qr];W[rs])
(;B[ro];W[sp]
(;B[qn];W[sn]
(;B[sm];W[so];B[sq];W[ss];B[sq];W[sr];B[rn];W[sq]C[Amd now??])
(;B[qr];W[sq];B[sm];W[so];B[rn];W[qs]C[]))
(;B[qr];W[sq];B[qn];W[sn];B[sm];W[so];B[rn];W[qs]C[]))
(;B[rn];W[sm];B[qo];W[so];B[sp];W[sn];B[qr];W[rs])
(;B[so];W[rn])
(;B[sn];W[ro])
(;B[sm];W[sp];B[ro];W[qn]
(;B[so];W[rn])
(;B[rn];W[so]))
(;B[rs];W[qr];B[ro];W[sp];B[qn];W[sn];B[sm];W[so])
(;B[qs];W[qr])
(;B[sp];W[sm];B[qr];W[rs];B[rn];W[qo])
(;B[ps];W[qr];B[ro];W[sp];B[qn];W[sn];B[sm];W[so];B[sq];W[ss];B[sq];W[sr];B[rn];W[sq]))
marwin