(;GM[1]FF[4]SZ[19]
GN[Black instead tries to play ko and dies]
PC[http://senseis.xmp.net/?OshiTsubushi]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OshiTsubushi

Black instead tries to play ko and dies]
PL[B]

AB[ca][bb][cb][bc]
AW[ba][ab][eb][cc][dc][bd][ce]

;B[aa]C[B1]MN[1]
;W[ac]C[W2]MN[2]
;B[ad]C[B3]MN[3]

;
)
