(;GM[1]FF[4]SZ[19]
GN[Mistake 270]
PC[https://senseis.xmp.net/?DieterVerhofstadt/2021ABCOfMistakes]AP[GoWiki:2009]
DT[2021-10-11]
C[Diagram from https://senseis.xmp.net/?DieterVerhofstadt/2021ABCOfMistakes

Mistake 270]
PL[W]

AB[bc][cd][gd][hd][pd][be][fe][df][bk][gk][hk][cl][dl][el][fl][hl][jl][ll][ml][cm][bn][dn][ln][mn][eo][fo][jo][ko][lo][kp][mp][qp][fq][gq][hq][iq][jq][pq][qq][cr][dr][bs]
AW[cc][dc][gc][hc][ic][ed][fd][mk][bl][gl][kl][nl][bm][dm][em][fm][gm][hm][im][jm][cn][kn][bo][co][ho][mo][no][dp][gp][lp][np][pp][bq][cq][kq][lq][oq][br][hr][ir][jr]

;W[lk]C[W1]MN[1]
;B[kk]C[B2]MN[2]

;
)
