(;GM[1]FF[4]SZ[19]
GN[Black's mistake]
PC[http://senseis.xmp.net/?NakadeExample3]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?NakadeExample3

Black's mistake]
PL[B]

AB[fa][ab][bb][db][eb][fb][gb][ib][bc][ec][ed][id][be][ce][ee][ge][ie][af][cf][df][ef][bg][dg][eg][eh]
AW[ba][da][ea][ha][cb][hb][cc][dc][gc][ic][jc][ad][bd][cd][dd][gd][jd][ae][de][fe][je][ff][cg][fg][bh][ch][dh][fh][ei][fi]
CR[da][ea]

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

;CR[da][ea]
)
