(;GM[1]FF[4]SZ[19]AP[SmartGo:1.5]ST[0] GN[2015_OurSolutionB93] EV[Igo Hatsuyoron]RO[Problem 120] PC["The Most Difficult Problem Ever"] KM[3.0] SO[Created by Inoue Dosetsu Inseki (1646 - 1719)] CP[(c) 2015 Thomas Redecker] US[Compiled by Thomas Redecker] RU[Japanese] AB[ra][hb][lb][lc][ld][le][fc][bd][ce][de][fe][me][mf][oe][of][og][oh][oi][pe][bf][dh][di][ph][qh][rh][sh][mi][ni][pi][aj][ak][al][am][fj][lj][lk][ek][el][em][rk][sk][il][pl][ql][bm][qm][rm][dn][fn][fo][mn][co][cp][ko][oo][bp][ep][pp][pq][pr][ps][sp][sq][fq][qq][cr][nr][ns][bs][os][po][qn][qk][sr][ll][lm][ln][no][np][ol][mj][mq][lq][kq][jq][iq][gr][ip][io][in][im][ik][ij][ii][ji][jh][jg][ig][if][hf][rg][gf][fg][fh][an][ao][bi][bh][bk][bl][pm][ee][pd][nb][ma] AW[qa][ib][jb][mb][rb][hc][qc][cd][jd][nd][od][ke][qe][re][df][dg][ff][pf][bg][cg][gg][hg][kg][lg][ng][ah][hi][ki][ri][si][bj][cj][jj][jk][jl][jm][jn][nj][oj][pj][qj][dk][dl][ok][rl][sl][hm][sm][sn][so][bn][cn][en][on][rn][ro][qo][qp][ap][hp][kp][lp][mp][op][eq][rq][ar][ir][mr][ms][or][pn][rr][rp][rs][oq][nn][mm][ml][mo][om][mk][nl][nk][lr][kr][jp][jr][hq][hr][jo][ho][hn][hl][hk][hj][ih][kj][kh][jf][hh][ie][he][rf][ge][ef][hs][bo][cm][aq][ai][ag][ck][fb][pc][mc][ob] VW[]LB[pm:93][nm:A]MA[om][nn][on][pn] C[Black 93 just played atari at White's four stones in the hanezeki. What is the reason that White will NOT connect at A?] )