(;FF[4]GM[1]CA[UTF-8]AP[goproblems:0.1.0]SZ[19]ST[0]AB[ab][ba][ca][bc][db][dc][cd][bd][rb][qb][qc][rd][gb][gc][ib][ic][as][bs][br][cs][dr][er][fr][gr][eq][dp][cp][bp][bo][co][bn][ao][bm][cm][hq][iq][ir][ip][ho][hn][gn][em][el][ei][ej][fk][gk][hl][hj][ij][ii][ih][if][ig][ff][gf][he][fd][gd][hd][lb][lc][mb][nc][oc][od][pd][oe][of][pf][pg][qh][pi][oh][ng][ni][mf][lf][nn][mn][mp][lp][nq][mr][or][oq][pr][sn][rn][qn][ro][qp][pp][oo][cf]AW[rc][be][de][ce][dd][ec][eb][fc][ed][jb][jc][jd][an][cn][dm][do][eo][en][ep][gq][gp][go][hr][hp][jq][lq][kq][mq][ko][io][gm][im][hm][dl][cl][bl][ck][dj][ch][ef][fe][fh][fg][gg][hg][hh][hi][gj][fi][nf][ne][nd][md][mc][ld][ke][kf][mg][lg][jg][ji][ki][jk][qd][pe][qe][re][qf][rg][rh][qj][pj][oj][qm][rm][pn][on][qq][pq][qr][rq][sr][rp][sp][so](;B[kh]LB[pa:A]C[Due to app limitations we cannot display why this move works here. Please play A on the first move to see the variations.RIGHT])(;B[pa];W[pb];B[kh](;W[jh];B[fn];W[fm];B[in];W[jo];B[jn];W[kn];B[jm];W[jl];B[km];W[lm];B[kl];W[ll];B[kk];W[lk];B[kj];W[jj];B[lj];W[mj];B[li];W[mi];B[mh])(;W[li]C[In the game white played here, continue for the continuation.];B[jj];W[jo];B[jh];W[mi];B[lk];W[mk];B[dh];W[dg];B[ci];W[di];B[eh];W[hf];B[ie];W[kk];B[dn];W[fm];B[ge];W[eg];B[cj];W[dk];B[bj];W[bh];B[ek];W[cn];B[kj];W[mj];B[dn];W[ak];B[am];W[cn];B[fp];W[dn];B[fo])))