(;GM[1]FF[4]SZ[19]AP[GOWrite:2.1.15]AW[dc][ge][fc][ec][he][fe][hd][cb][fd]C[How to prevent white from making 2 eyes? ]AB[gd][ie][if][ic][cd][ff][hf][ed][bb][cf][jc][gf][ee][cc]PW[ ]PB[ ]PM[2]FG[259:]GN[ ]
(
;B[gb]
;W[hb]
;B[hc]
;W[gc]
)
(
;B[eb]
;W[db]
;B[gb]
;W[fb]
;B[gc]C[RIGHT
now white have no way of making 2 eyes]
)
)