(;GM[1]FF[4]SZ[19]
GN[Black reads a (approach) ko]
PC[http://senseis.xmp.net/?TsumegoFromGames1]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames1

Black reads a (approach) ko]
PL[W]

AB[ca][fa][cb][gb][cc][dc][fc][gc][bd][dd][fd][be][ce][de][fe][ff][fg][eh][fh][bi][ci][di][ei]
AW[ba][bb][db][eb][fb][bc][ec][ed][ee][bf][cf][df][ef][ag][cg][eg][bh][ch][dh]
LB[da:b][af:a]

;W[ad]C[W1]MN[1]
;B[ae]C[B2]MN[2]
;W[ab]C[W3]MN[3]

;LB[da:b][af:a]
)
