Only found a couple of variations, if others, please comment
(;C[Further in the Lee vs. Jeong game, White to play best move along the left side]AB[qb]AB[pb]AB[oc]AB[pd]AB[qd]AB[re]AB[rf]AB[qf]AB[qg]AB[pg]AB[ph]AB[of]AB[nf]AB[ng]AB[mg]AB[lh]AB[kh]AB[jh]AB[ii]AB[ij]AB[ik]AB[il]AB[im]AB[jn]AB[ko]AB[kp]AB[jp]AB[ip]AB[hp]AB[ho]AB[lp]AB[lq]AB[mp]AB[np]AB[nq]AB[op]AB[oo]AB[pp]AB[qp]AB[qq]AB[rq]AB[rr]AB[rs]AB[ro]AB[sn]AB[sp]AB[nn]AB[nm]AB[om]AB[nk]AB[nj]AB[oj]AB[oi]AB[pj]AB[qj]AB[jc]AB[ic]AB[hc]AB[hb]AB[hd]AB[gd]AB[hf]AB[he]AB[hg]AB[ff]AB[fg]AB[eh]AB[fi]AB[ej]AB[ek]AB[dl]AB[ck]AB[cj]AB[bj]AB[df]AB[de]AB[dd]AB[cf]AB[bf]AB[fm]AB[fn]AB[eo]AB[ep]AB[er]AB[fr]AB[fq]AB[gq]AB[fs]AB[gs]AB[hr]AB[ir]AB[jr]AB[is]AW[be]AW[ce]AW[cd]AW[cc]AW[dc]AW[fc]AW[gc]AW[gb]AW[fd]AW[fe]AW[jb]AW[kc]AW[kd]AW[id]AW[ie]AW[if]AW[ig]AW[ih]AW[hh]AW[hi]AW[gh]AW[fh]AW[fj]AW[gj]AW[hk]AW[hl]AW[hm]AW[hn]AW[in]AW[io]AW[jo]AW[gn]AW[go]AW[gp]AW[fp]AW[bk]AW[cl]AW[cm]AW[bm]AW[al]AW[cn]AW[dp]AW[dq]AW[eq]AW[dr]AW[es]AW[ds]AW[hq]AW[iq]AW[jq]AW[kq]AW[kr]AW[ks]AW[js]AW[mr]AW[lr]AW[mq]AW[nr]AW[oq]AW[pq]AW[pr]AW[qr]AW[qs]AW[on]AW[pm]AW[po]AW[qo]AW[qn]AW[rn]AW[rm]AW[ol]AW[ok]AW[pk]AW[qk]AW[ql]AW[mh]AW[oh]AW[rj]AW[pi]AW[qi]AW[qh]AW[rh]AW[sh]AW[rg]AW[sf]AW[ji]AW[lg]AW[kg]AW[mf]AW[me]AW[ne]AW[mc]AW[nb]AW[ob]AW[qc]AP[goproblems]
(;W[ah]C[Perfect! Now white can cross under A or B.RIGHT]LB[af:A
]LB[aj:B])
(;W[ag];B[af];W[aj];B[ai];W[bi];B[ak]C[Ko])
(;W[ai];B[aj]
(;W[af];B[ag];W[bg];B[ae])
(;W[ag];B[af])
(;W[ah];B[af])))