(;GM[1]FF[4]SZ[19]
GN[1-10]
PC[http://senseis.xmp.net/?MostDifficultProblemEver/ThreeAmateursSolution]AP[GoWiki:2009]
DT[2011-02-25]
C[Diagram from http://senseis.xmp.net/?MostDifficultProblemEver/ThreeAmateursSolution

1-10]
PL[B]

AB[ra][hb][lb][fc][lc][bd][ld][ce][de][fe][le][me][oe][pe][bf][mf][of][og][dh][oh][ph][qh][rh][sh][di][mi][ni][oi][pi][aj][fj][lj][ak][ek][lk][rk][sk][al][el][il][pl][ql][am][bm][em][qm][rm][dn][fn][mn][co][fo][ko][oo][bp][cp][ep][pp][sp][fq][pq][qq][sq][cr][nr][pr][bs][ns][os][ps]
AW[qa][ib][jb][mb][rb][hc][qc][cd][jd][nd][od][ke][qe][re][df][ff][pf][bg][cg][dg][gg][hg][kg][lg][ng][ah][hi][ki][ri][si][bj][cj][jj][nj][oj][pj][qj][dk][jk][ok][dl][jl][rl][sl][hm][jm][sm][bn][cn][en][jn][on][rn][sn][qo][ro][so][ap][hp][kp][lp][mp][op][qp][eq][rq][ar][ir][mr][or][ms]

;B[po]C[B1]MN[1]
;W[rr]C[W2]MN[2]
;B[qk]C[B3]MN[3]
;W[ml]C[W4]MN[4]
;B[ll]C[B5]MN[5]
;W[mm]C[W6]MN[6]
;B[lm]C[B7]MN[7]
;W[nn]C[W8]MN[8]
;B[no]C[B9]MN[9]
;W[mo]C[W10]MN[10]

;
)
