(;AW[rm]AW[ql]AW[pm]AW[qn]AB[pn]AB[po]AB[qo]AB[rn]AB[qp]AB[qq]AB[rq]AB[qk]AB[rk]AB[sk]AB[sj]AW[rj]AW[si]AW[qj]AW[pj]AB[pl]AW[rh]AW[nj]AW[ml]AW[mm]AW[mo]TR[qn]C[white plays R6. how to answer?]AP[goproblems]
(;B[rl];W[pk]
(;B[qm]C[RIGHT])
(;B[sm];W[sl])
(;B[ol];W[sl])
(;B[om];W[sl]))
(;B[om];W[pk]
(;B[qm];W[rl])
(;B[ol];W[rl]))
(;B[sm];W[pk]
(;B[om];W[ol])
(;B[qm]C[this ko is not good for black])
(;B[sl];W[ro]
(;B[om];W[sn])
(;B[sn];W[so])))
(;B[pk];W[om])
(;B[ro];W[pk])
(;B[sl];W[pk])
(;B[qm]C[FORCENOTTHIS])
(;B[sn];W[pk])
(;B[so];W[pk]))