(;GM[1]FF[4]SZ[19]
GN[Mistake 291]
PC[https://senseis.xmp.net/?DieterVerhofstadt/2021ABCOfMistakes]AP[GoWiki:2009]
DT[2021-09-24]
C[Diagram from https://senseis.xmp.net/?DieterVerhofstadt/2021ABCOfMistakes

Mistake 291]
PL[B]

AB[nb][oc][od][pd][de][cf][df][pf][qf][rf][qi][cj][ep][np][eq][hq][pq][qq][nr]
AW[ob][pb][dc][fc][pc][qc][cd][ce][qe][re][pk][cl][do][lo][qo][cp][pp][dq][lq]
LB[nn:a]

;B[mc]C[B1]MN[1]

;LB[nn:a]
)
