invalid problem set
Problem | 20510 |
Created | 2015-10-08 |
Source | Inspired and adapted from santa_c's problem 7482 |
Rating | |
Difficulty | 9 dan |
Average Solve Time | 102 secs |
User Attempts |
6 / 52 |
Solve Ratio Rating | 3 dan |
| rating history |
White to escape, Black thinks white is dead prove him wrong!
(;SZ[19]AB[sf]AB[rf]AB[qf]AB[pf]AB[pg]AB[ph]AB[oh]AB[oi]AB[ni]AB[mj]AB[lj]AB[rj]AB[sj]AB[sk]AB[sl]AB[rl]AB[qm]AB[rn]AB[qo]AB[pq]AB[mq]AB[lo]AB[on]AB[om]AB[lm]AB[ll]AB[ml]AB[pl]AB[pk]AW[rg]AW[qg]AW[qh]AW[ri]AW[si]AW[pi]AW[pj]AW[qj]AW[qk]AW[rk]AW[ql]AW[oj]AW[nj]AW[nk]AW[nl]AW[nm]AW[pm]AW[pn]AW[ol]GM[1]FF[4]CA[UTF-8]AP[mugo:1.1.3]KM[6.5]
(;W[po]
(;B[oo]
(;W[pp]
(;B[op]
(;W[qp]
(;B[rp]
(;W[qn];B[qq]C[CHOICE];W[ra])
(;W[qq]
(;B[qr]
(;W[pr]
(;B[oq]
(;W[rr]C[CHOICERIGHT];B[rq];W[qs];B[qn];W[ok];B[pl];W[pk])
(;W[rq]C[CHOICERIGHT]
(;B[or];W[rr];B[ps])
(;B[rr];W[sp]
(;B[ro];W[sr];B[qn];W[ok];B[pl];W[pk]C[CHOICERIGHT]
(;B[or];W[so]
(;B[ps])
(;B[sn];W[sq];B[ps];W[sm]))
(;B[sm];W[so])
(;B[so];W[sm]
(;B[sq]
(;W[rm];B[pl])
(;W[pl];B[rm];W[sp]))
(;B[rm];W[sq];B[ss];W[sn];B[or];W[rs];B[ps])))
(;B[qn];W[ok];B[pl];W[pk];B[so];W[sm];B[rm];W[ro]))))
(;B[rr]
(;W[oq]
(;B[rq];W[np]C[CHOICERIGHT])
(;B[nq]
(;W[rq];B[sq])
(;W[qn];B[rm];W[ro];B[so]
(;W[rq];B[sq];W[sr]
(;B[ss]
(;W[sn]
(;B[sm];W[qs]C[CHOICERIGHT])
(;B[qo]))
(;W[qs]C[RIGHT]))
(;B[qo];W[sp]))
(;W[qo];B[sn];W[rq];B[sp];W[sq]C[RIGHT]))))
(;W[rq];B[oq];W[sp]
(;B[ro];W[sr];B[qn];W[ok];B[pl];W[pk]C[CHOICERIGHT]
(;B[or];W[so]
(;B[ps])
(;B[sn];W[sq];B[ps];W[sm]))
(;B[sm];W[so])
(;B[so];W[sm]
(;B[sq]
(;W[rm];B[pl])
(;W[pl];B[rm];W[sp]))
(;B[rm];W[sq];B[ss];W[sn];B[or];W[rs];B[ps])))
(;B[qn];W[ok];B[pl];W[pk];B[so];W[sm];B[rm];W[ro])))
(;B[or]
(;W[oq]
(;B[nq];W[rr]C[CHOICERIGHT])
(;B[np];W[nr]C[RIGHT]))
(;W[ps]
(;B[oq];W[rr]C[CHOICERIGHT])
(;B[rr];W[oq];B[nq];W[pq];B[nr];W[rq];B[sq];W[sn];B[so];W[qn];B[rm]
(;W[ro])
(;W[sr];B[ss];W[qs];B[os];W[ok];B[pl];W[pk];B[sr];W[pl];B[sp];W[rs];B[sm];W[ro])))))
(;W[rq]
(;B[rr]
(;W[ok];B[pl];W[pk];B[qn]
(;W[sp];B[so];W[sm];B[rm];W[sq])
(;W[sm];B[rm];W[so];B[sp];W[sn];B[ro];W[sn];B[sq]))
(;W[oq];B[pr]
(;W[or];B[nq])
(;W[nq];B[np]))
(;W[pr];B[oq];W[sp]
(;B[ro];W[sr];B[qn];W[ok];B[pl];W[pk]C[CHOICERIGHT]
(;B[or];W[so]
(;B[ps])
(;B[sn];W[sq];B[ps];W[sm]))
(;B[sm];W[so])
(;B[so];W[sm]
(;B[sq]
(;W[rm];B[pl])
(;W[pl];B[rm];W[sp]))
(;B[rm];W[sq];B[ss];W[sn];B[or];W[rs];B[ps])))
(;B[qn];W[ok];B[pl];W[pk];B[so];W[sm];B[rm];W[ro]))
(;W[sq]
(;B[sn];W[sp];B[so];W[ok];B[pl];W[pk]
(;B[sr])
(;B[qn]))
(;B[sp]
(;W[sm];B[rm])
(;W[sn];B[rm];W[ok];B[pl];W[pk];B[sr];W[pl]))))
(;B[sp];W[sq]
(;B[sn];W[qn]C[RIGHT];B[rr];W[ok];B[pl];W[pk];B[sr];W[pl]C[RIGHT];B[rm];W[ro];B[or])
(;B[rr];W[sn]C[RIGHT];B[rm];W[ok];B[pl];W[pk];B[sr];W[pl])))
(;W[sm];B[rm];W[rq])
(;W[oq]
(;B[pr]
(;W[np]C[RIGHT];B[nq]
(;W[no];B[or];W[nn];B[oq];W[rq]
(;B[rr];W[sq])
(;B[sp]
(;W[sn];B[so];W[sm];B[rm];W[sn];B[sq];W[sr];B[sm];W[rr];B[rs];W[ok];B[pl];W[pk];B[qn])
(;W[sm];B[rm];W[qn]
(;B[sn];W[ro];B[so];W[qo])
(;B[ro];W[sn];B[sq];W[rr];B[rs];W[ok];B[pl];W[pk];B[sr];W[pl];B[ss]))))
(;W[or]
(;B[no])
(;B[nr];W[os];B[ns];W[rr];B[rq];W[ok];B[pl];W[pk];B[ps];W[pl];B[sr];W[qn];B[rm];W[ro];B[so];W[qo]
(;B[rs])
(;B[sn];W[sp];B[sq];W[rs];B[qs];W[oq];B[or])))
(;W[rq]
(;B[rr];W[no];B[or];W[sq];B[sp];W[ok];B[pl];W[pk];B[sr];W[pl];B[qn];W[sm];B[rm])
(;B[sp];W[sq];B[qn];W[sm];B[rm];W[so];B[rr];W[ro])))
(;W[nq];B[np];W[mp];B[nr];W[no];B[or])
(;W[rq];B[ro];W[sq];B[sn];W[sp];B[sm];W[qn];B[rr];W[ok];B[pl];W[pk];B[sr];W[pl]))
(;B[nq];W[pr];B[rr]
(;W[rq];B[sq])
(;W[nr]C[RIGHT]
(;B[rq])
(;B[ps];W[os];B[qs];W[mr]C[RIGHT])))))
(;B[oq];W[rq];B[sp]
(;W[qn];B[rm];W[ro];B[so];W[sn];B[qo]
(;W[sq])
(;W[qr]))
(;W[sq]
(;B[qn];W[sn]C[RIGHT])
(;B[sn];W[qn]C[RIGHT])
(;B[sm];W[so];B[ro];W[qn];B[sn];W[qr]C[RIGHT])
(;B[so];W[sm];B[rm];W[qn];B[sn];W[qr]C[RIGHT]))
(;W[qr];B[sn])
(;W[sn];B[so];W[qn]C[RIGHT];B[sm]
(;W[qr]C[RIGHT])
(;W[sq]C[RIGHT])
(;W[rr]C[RIGHT])
(;W[pr]C[RIGHT])
(;W[rs]C[RIGHT])))
(;B[pr];W[qn];B[rm];W[ro];B[so];W[rq]
(;B[qo])
(;B[sq];W[rr]))
(;B[rq]
(;W[qr];B[pr];W[rr];B[sn];W[qn])
(;W[oq];B[pr];W[or]
(;B[qr];W[np]C[RIGHT])
(;B[np];W[qr]C[RIGHT])))))
(;B[sn];W[qn];B[ro]
(;W[rp])
(;W[rm];B[sm];W[rp]))
(;B[qn];W[rp])
(;B[ro]
(;W[qn]
(;B[sm];W[rp])
(;B[rm];W[rp];B[sp];W[sq];B[rq];W[so];B[qq];W[ok];B[pl];W[pk];B[sr];W[sn];B[sp];W[sm]))
(;W[rp]
(;B[sm]
(;W[so])
(;W[qn]))
(;B[so]
(;W[sm])
(;W[qn]))))
(;B[qq]
(;W[ro];B[rp]
(;W[qn];B[qo])
(;W[ok]
(;B[so])
(;B[pl];W[pk];B[so])))
(;W[rp];B[rq];W[qn];B[sp];W[ro];B[so];W[rm]
(;B[sn];W[sm];B[sq])
(;B[sq]))))
(;W[sm];B[rm]
(;W[ro])
(;W[qp]
(;B[sn])
(;B[rp]
(;W[qq];B[rq];W[oq];B[pr]
(;W[qr];B[or];W[rr];B[qs];W[rs];B[sr]C[CHOICE];W[sq];B[sp];W[so];B[sn])
(;W[np]C[RIGHT])
(;W[or]
(;B[qr];W[np]C[RIGHT])
(;B[np];W[qr]C[RIGHT])))
(;W[oq];B[qq];W[ok];B[pl];W[pk];B[qn];W[pl];B[np]C[CHOICE])))))
(;B[qp];W[op]
(;B[no]
(;W[qq]
(;B[oq];W[ok];B[pl];W[pk];B[qn])
(;B[rq]
(;W[qr];B[oq];W[np];B[mp];W[nq];B[nr];W[ok];B[pl];W[pk])
(;W[oq];B[qr])))
(;W[oq];B[pr]
(;W[mp]
(;B[np];W[nq];B[lp];W[mr];B[lq];W[lr];B[kr];W[or]
(;B[ns];W[os]
(;B[ms];W[ls];B[ks];W[nr])
(;B[ls];W[nr];B[ks];W[ms]))
(;B[os];W[ns];B[ls];W[ps]C[RIGHT]
(;B[rr])
(;B[qs]
(;W[ms];B[os];W[ks])
(;W[qq]
(;B[os];W[qr];B[qn];W[ps])
(;B[qr];W[os];B[ms];W[ks];B[ls];W[ms]))
(;W[os];B[ms];W[ks])
(;W[qn];B[rm];W[ro];B[os]))))
(;B[lp];W[mr]
(;B[nq];W[np];B[mo];W[lq]
(;B[nr];W[or]C[CHOICERIGHT])
(;B[or];W[nr]C[RIGHT]))
(;B[lr]
(;W[mo];B[mn];W[np];B[nn];W[or];B[os])
(;W[nq];B[or])
(;W[or];B[os];W[ns]))
(;B[np];W[nq];B[mo]
(;W[lq];B[lr];W[kq];B[nr]
(;W[mp])
(;W[ms];B[ns];W[mp]))
(;W[lr]))))
(;W[qq];B[rq];W[qr];B[rr];W[or];B[qs];W[mp]
(;B[np];W[nq]
(;B[lp];W[mr];B[lq];W[lr]C[RIGHT])
(;B[mo];W[mr];B[lq];W[lr]C[RIGHT]))
(;B[lp];W[mr];B[lr];W[os];B[nr];W[np];B[mo];W[ms];B[ls];W[ns];B[lq];W[nq]C[RIGHT]))))
(;B[mn]
(;W[mp];B[lp]
(;W[np];B[no];W[oq];B[pr];W[mr];B[lq];W[or];B[os];W[qq];B[qr];W[rq];B[rp]
(;W[sm];B[rm];W[qn];B[rr];W[sn];B[ro];W[ns];B[lr];W[ps])
(;W[ns];B[lr];W[rr];B[sr];W[ps];B[sq];W[qs]C[RIGHT]))
(;W[oq];B[pr];W[mr]
(;B[or];W[lq]C[RIGHT];B[np];W[nq]C[CHOICERIGHT])
(;B[lq];W[or];B[os]
(;W[ns]
(;B[ps]
(;W[nq];B[lr]C[CHOICE])
(;W[lr]C[RIGHT]))
(;B[qq]
(;W[lr]C[RIGHT])
(;W[nq]
(;B[ps];W[lr]C[RIGHT])
(;B[lr];W[ps]C[RIGHT])))
(;B[lr]
(;W[ps];B[rr];W[nq]C[RIGHT])
(;W[qr];B[qq];W[ps]C[RIGHT];B[rr];W[nq]C[RIGHT])))
(;W[qq];B[qr];W[ns];B[nq]
(;W[nr];B[lr]C[CHOICE])
(;W[lr];B[nr]C[CHOICE])))))
(;W[oq];B[pr];W[mp];B[lp];W[mr]
(;B[or]
(;W[lq];B[np];W[nq]C[CHOICERIGHT])
(;W[np];B[no];W[lq]C[RIGHT]))
(;B[lq]
(;W[or]
(;B[qq];W[nq];B[os];W[ns];B[ps];W[lr]C[RIGHT])
(;B[np];W[nq])
(;B[os];W[ns]
(;B[qq];W[lr]C[RIGHT])
(;B[ps]
(;W[qq];B[qr];W[rq];B[rr])
(;W[lr]C[RIGHT]))
(;B[lr]
(;W[qq];B[qr]
(;W[rq];B[rr];W[ps];B[nq]C[CHOICE];W[sm];B[rm]
(;W[ro]
(;B[sn])
(;B[rp];W[so]))
(;W[qn];B[rp];W[sp];B[sq])
(;W[rp];B[sp];W[qn];B[ro];W[sn];B[sq]))
(;W[ps];B[nq]))
(;W[qr];B[qq];W[ps];B[rr];W[nq]C[RIGHT]))))
(;W[np];B[no];W[or];B[os];W[qq];B[qr];W[rq];B[rp]
(;W[sm];B[rm];W[qn];B[rr];W[sn];B[ro];W[ns];B[lr];W[ps])
(;W[ns];B[lr];W[rr];B[sr];W[ps];B[sq];W[qs]C[RIGHT])))))))
(;W[qp]))
(;B[pp]
(;W[oo];B[nn]C[]
(;W[np];B[mo]
(;W[qn];B[rm];W[ro]
(;B[rp];W[so];B[sp];W[qp]C[CHOICERIGHT])
(;B[qp];W[sn]C[RIGHT])
(;B[so]
(;W[qp];B[rp];W[qo]
(;B[rq])
(;B[sn];W[rq]C[RIGHT]))
(;W[rp];B[qp];W[sn]C[RIGHT])))
(;W[no];B[mn];W[mp];B[lp]
(;W[lq];B[nq])
(;W[nq];B[mr];W[pr];B[or];W[qr]
(;B[oq];W[qp];B[qq];W[rp];B[rq];W[sm];B[rm];W[ro])
(;B[qp];W[oq];B[nr]))))
(;W[sm];B[rm];W[ro])
(;W[qn];B[rm];W[ro]
(;B[qp];W[sn];B[rp];W[sm]C[RIGHT])
(;B[rp]
(;W[so]
(;B[qp];W[sn];B[sp];W[sm]C[RIGHT])
(;B[sp];W[qp]C[RIGHT]))
(;W[qp];B[so];W[qo];B[sn];W[rq]C[RIGHT]))
(;B[so]
(;W[qp];B[rp];W[qo];B[sn];W[rq]C[RIGHT])
(;W[rp];B[qp];W[sn]C[RIGHT]))))
(;W[no];B[oo];W[ok];B[pl];W[pk];B[qn];W[pl];B[op];W[ra]C[CHOICE]))
(;B[op]
(;W[oo];B[nn]
(;W[no];B[mn]
(;W[qn]
(;B[rm]
(;W[ro]
(;B[rp]
(;W[so]
(;B[sp];W[qp]C[RIGHT])
(;B[qp];W[sm];B[sp];W[sn]))
(;W[qp];B[so];W[qo];B[sn];W[rq]C[RIGHT]))
(;B[qp]))
(;W[qp];B[ro];W[rp];B[sp];W[rr];B[pp]
(;W[sn];B[rq])
(;W[sq];B[rq];W[so];B[qq];W[sp];B[qr];W[sn];B[rs];W[sm])))
(;B[sm]
(;W[ro]
(;B[so]
(;W[qp];B[rp]C[CHOICE];W[qo])
(;W[rp]C[Not perfect, but very difficult for black to fill the ko.RIGHT];B[qp];W[rq]C[]))
(;B[qp];W[so];B[rp];W[rm]C[koRIGHT]))
(;W[rm]C[only koRIGHT])))
(;W[sm];B[rm]
(;W[ro];B[rp]C[CHOICE])
(;W[qn];B[ro]C[CHOICE]))
(;W[rm];B[sm];W[qn];B[ro];W[rm]C[koRIGHT])
(;W[pp];B[qp]
(;W[oq];B[np];W[qq];B[pr];W[or];B[qr];W[rq];B[rr];W[rp];B[ro];W[sn];B[rm])
(;W[qq]
(;B[rq];W[oq];B[pr]
(;W[np];B[nq];W[qr];B[rr];W[or];B[qs];W[nr];B[mr])
(;W[nq]C[RIGHT]))
(;B[oq];W[rq];B[rp];W[sn];B[rm];W[sp];B[so];W[sq];B[qr];W[qn];B[rr];W[ro];B[sr];W[sm]))))
(;W[sm];B[rm];W[ro];B[rp]C[CHOICE])
(;W[mn];B[no];W[np];B[mo];W[pp];B[qp];W[oq];B[qq];W[or]
(;B[pr];W[mp];B[lp]
(;W[lq];B[lr];W[mr];B[kq];W[nq])
(;W[mr];B[lr];W[nq];B[ms];W[lq];B[kq];W[ns];B[mq];W[ls]))
(;B[mr]
(;W[qr];B[rr];W[pr];B[qs];W[ps];B[ns];W[rs];B[sr])
(;W[qs];B[rr];W[ns];B[nr])))
(;W[pp];B[qp];W[oq];B[np];W[no];B[mn];W[nq];B[mp];W[qq]
(;B[rq];W[pr]C[RIGHT]
(;B[nr];W[rr])
(;B[qr];W[pq]
(;B[nr];W[rr])
(;B[rr];W[nr];B[ps];W[os];B[qs];W[mr])))
(;B[pr];W[qr];B[nr];W[ps];B[or];W[rp];B[ro];W[sn];B[rm]
(;W[sq];B[rr]
(;W[sr];B[rs];W[qs];B[os];W[rq])
(;W[rs];B[sr];W[so];B[os];W[qs];B[rq];W[ss];B[rr];W[ok];B[pl];W[pk];B[mo];W[pl];B[rq];W[sr];B[rq]))
(;W[rr];B[sp];W[sr];B[rq];W[sq];B[qs];W[so];B[sm];W[so];B[sn])
(;W[sp]
(;B[rr];W[rq]
(;B[rs]
(;W[qs];B[sr])
(;W[sr]))
(;B[sr];W[rs];B[os];W[qs];B[sq];W[so]C[RIGHT]))
(;B[sr])))))
(;W[pp];B[qp];W[oo];B[nn];W[no];B[mn]
(;W[oq];B[np]
(;W[nq];B[mp];W[qq];B[pr];W[rq];B[rp];W[sn];B[rm]
(;W[so];B[sp];W[sq];B[rr]
(;W[ro];B[sm];W[so];B[ro];W[ok];B[pl];W[pk];B[qr])
(;W[ok];B[pl];W[pk];B[qr]))
(;W[ok];B[pl];W[pk];B[so];W[sq];B[rr];W[sp];B[sr];W[ro]))
(;W[qq];B[pr];W[rp]
(;B[rq];W[ro]
(;B[qn];W[sn])
(;B[so];W[qn]))
(;B[ro];W[sn];B[rm];W[rq];B[so];W[ok];B[pl];W[pk];B[mo];W[pl];B[rr])))
(;W[qq];B[np]
(;W[oq];B[mo];W[pr])
(;W[rp];B[ro];W[sn];B[rm];W[so];B[rq];W[qr]
(;B[sp];W[oq];B[or];W[pr]
(;B[rr])
(;B[nr];W[rr];B[sr]
(;W[ps];B[rs])
(;W[rs]
(;B[sq];W[ss];B[sm];W[so];B[sn])
(;B[ps];W[ss];B[rp];W[sq];B[mo];W[ok];B[pl];W[pk];B[sr]))))
(;B[pr]
(;W[sp])
(;W[rr];B[sp])))
(;W[pr];B[oq]
(;W[rq];B[rp];W[sp];B[so];W[sq]
(;B[qr]
(;W[qs])
(;W[rr]
(;B[qs])
(;B[or];W[qs])))
(;B[qn]))
(;W[rp];B[rq];W[sn];B[rm]))))))
(;W[oo];B[nn]
(;W[no];B[mn];W[po]
(;B[qp]
(;W[oq];B[pr];W[mp];B[lp]
(;W[mr];B[lq];W[nq];B[lr]
(;W[ns];B[or];W[mo])
(;W[mo]))
(;W[nq]
(;B[mo];W[np];B[pp];W[lq];B[mr];W[lr];B[nr];W[or];B[os];W[ns]C[CHOICERIGHT])
(;B[op];W[pp];B[mo];W[np]C[CHOICERIGHT])))
(;W[mp];B[lp]
(;W[oq]
(;B[pr];W[nq];B[mo];W[np];B[pp];W[lq];B[mr];W[lr];B[or];W[nr]C[CHOICERIGHT])
(;B[nq]
(;W[pr];B[op];W[pp];B[or];W[qq];B[oq]
(;W[qn])
(;W[sm];B[rm];W[ro];B[rp];W[qn];B[so]))
(;W[op];B[or]
(;W[qq];B[pr];W[pp];B[rq])
(;W[pr];B[qr];W[nr];B[ps];W[lq];B[mr]))
(;W[pp];B[qq];W[or];B[np];W[op]
(;B[mo])
(;B[pr];W[mr];B[nr];W[ns];B[lq];W[lr];B[kr]))
(;W[qq]
(;B[op];W[pp];B[or]
(;W[rq];B[np];W[sm];B[rm];W[ro];B[qn];W[ok];B[pl];W[pk];B[mo];W[pl];B[rp])
(;W[sm];B[rm]
(;W[ro];B[rp];W[so])
(;W[rp]
(;B[rq])
(;B[ro];W[rq];B[sp];W[sq];B[qr]
(;W[rr])
(;W[so];B[np];W[ok];B[pl];W[pk];B[sn])))))
(;B[pp]))))
(;W[nq];B[oq];W[lq];B[mr];W[nr];B[lr];W[kq];B[kr]))
(;W[qn]
(;B[sm];W[ro];B[so];W[rm]C[RIGHT])
(;B[rm];W[ro];B[rp]C[CHOICE])))
(;B[oq]
(;W[qn]
(;B[rm];W[ro];B[rp];W[so]
(;B[qp]
(;W[sm]C[CHOICERIGHT])
(;W[sn]C[CHOICERIGHT]))
(;B[sp];W[qp]C[CHOICERIGHT]))
(;B[sm]
(;W[ro];B[qp]
(;W[rp];B[rq];W[sq];B[so])
(;W[rm]C[RIGHT]))
(;W[sn];B[so];W[qp];B[rp];W[qq];B[pp])
(;W[qp];B[ro];W[rp];B[sp];W[sn];B[so])))
(;W[sm];B[rm];W[ro]
(;B[qp];W[qn]C[RIGHT])
(;B[qn];W[qp]C[RIGHT]))
(;W[rm];B[sm];W[qn];B[ro];W[rm];B[sn])
(;W[qp];B[rp];W[rm];B[sm];W[qn]
(;B[rm];W[ro])
(;B[ro];W[rm]C[koRIGHT]))))
(;W[mn];B[no];W[np];B[mo];W[po]
(;B[op];W[pp];B[qp];W[oq];B[qq];W[or]
(;B[pr];W[mp];B[lp]
(;W[lq];B[lr];W[mr];B[kq];W[nq])
(;W[mr];B[lr];W[nq];B[ms];W[lq];B[kq];W[ns];B[mq];W[ls]))
(;B[mr]
(;W[qr];B[rr];W[pr];B[qs];W[ps];B[ns];W[rs];B[sr])
(;W[qs];B[rr];W[ns];B[nr])))
(;B[pp];W[op];B[nq]))
(;W[pp];B[qp];W[no];B[mn];W[oq];B[qq];W[nq];B[po]))
(;W[ok];B[pl];W[pk];B[po]C[CHOICE])
(;W[rm];B[sm];W[oo];B[nn];W[no];B[mn];W[po]
(;B[qp];W[qn];B[ro];W[rm]C[Only ko, it is possible to do betterRIGHT])
(;B[rp];W[qn];B[sn];W[rm]C[RIGHT]))
(;W[sm];B[rm]
(;W[ro]
(;B[sn]
(;W[so];B[rp])
(;W[po];B[oo]
(;W[pp])
(;W[qp];B[qn];W[pp];B[rp];W[rq];B[so];W[op];B[no];W[oq];B[qq];W[pr]C[RIGHT])))
(;B[qn];W[po];B[oo];W[pp];B[qp];W[op];B[np]C[CHOICE])
(;B[po]))
(;W[po];B[oo];W[pp];B[qp];W[op];B[no];W[oq];B[pr];W[mp]
(;B[np];W[nq];B[mo];W[mr];B[lq];W[lr];B[kr];W[or]C[RIGHT])
(;B[lp];W[np];B[mn];W[mr];B[lr]
(;W[or];B[os];W[ns])
(;W[nr])))))
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