(;GM[1]FF[4]SZ[19]
GN[White to play]
PC[https://senseis.xmp.net/?DietersMistakesIn2021/Problem91]AP[GoWiki:2009]
DT[2022-02-18]
C[Diagram from https://senseis.xmp.net/?DietersMistakesIn2021/Problem91

White to play]
PL[W]

AB[db][jb][dc][ic][cd][dd][id][md][nd][od][pd][qd][be][ie][le][me][qe][re][df][ff][jf][kf][pf][rf][ig][kg][qg][rg][fh][oh][qh][li][ni][pi][cj][dj][lj][mj][nj][oj][pj][ek][mk][dl][fl][nl][ql][dm][em][mm][cn][dn][en][fn][nn][bo][co][do][go][lo][fp][cq][dq][eq][gq][pq][qq][fr][or][qr][ps]
AW[bb][cb][ac][cc][ec][hc][jc][kc][lc][mc][nc][pc][qc][rc][bd][jd][ld][rd][je][ke][lf][mf][nf][of][lg][mg][og][pg][dh][kh][lh][nh][ph][rh][bi][ji][mi][qi][bj][qj][ck][dk][kk][lk][nk][ok][pk][qk][bl][cl][ll][ml][cm][bn][kn][ao][eo][fo][bp][cp][dp][ep][np][op][pp][qp][mq][oq][nr]
LB[oe:b][ri:b][om:a]


;LB[oe:b][ri:b][om:a]
)
