(;GM[1]FF[4]SZ[19]
GN[Mistake by White]
PC[https://senseis.xmp.net/?RTGProblem85/Solution]AP[GoWiki:2009]
DT[2022-12-21]
C[Diagram from https://senseis.xmp.net/?RTGProblem85/Solution

Mistake by White]
PL[B]

AB[ba][gb][fc][hc][ad][bd][cd][dd][ed][fd]
AW[da][fb][ac][bc][cc][dc][ec]

;B[fa]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[cb]C[B3]MN[3]
;W[ca]C[W4]MN[4]
;B[bb]C[B5]MN[5]
;W[ab]C[W6]MN[6]

;
)
