(;SZ[19]AW[na]AW[hb]AW[nb]AW[ic]AW[nc]AW[gd]AW[id]AW[jd]AW[kd]AW[md]AW[nd]AW[le]AB[ma]AB[gb]AB[ib]AB[mb]AB[gc]AB[jc]AB[kc]AB[lc]AB[mc]TR[hb]C[can black catch the marked stone while not losing anything?]GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]
(;B[hc];W[jb]
(;B[ia];W[kb]
(;B[ka]C[RIGHT])
(;B[ja];W[ka];B[ha];W[ld]C[seki])
(;B[lb];W[ld])
(;B[la];W[ja];B[ha];W[ld]C[seki])
(;B[ha];W[ld]))
(;B[ha];W[kb]
(;B[lb];W[ld])
(;B[ka];W[ja]
(;B[lb];W[la])
(;B[ia];W[la])
(;B[la];W[ld]))
(;B[la];W[ka];B[ja];W[ia])
(;B[ja];W[ka]
(;B[ia];W[ld]C[seki])
(;B[la];W[ia]))
(;B[ia];W[ld]))
(;B[kb];W[ia])
(;B[ja];W[ia])
(;B[ka];W[ia]))
(;B[jb];W[hc];B[ha]C[you connected in gote, but this is not optimal])
(;B[ha];W[jb]
(;B[hc];W[kb]
(;B[ja];W[ka]
(;B[ia];W[ld]C[seki])
(;B[la];W[ia]))
(;B[ka];W[ja]
(;B[lb];W[la])
(;B[ia];W[la])
(;B[la];W[ld])))
(;B[ia];W[hc]C[not best]))
(;B[ia];W[hc];B[ha]C[not best])
(;B[ja];W[hc];B[ha]C[not best])
(;B[ga];W[jb];B[ia];W[hc];B[ha]C[not best])
(;B[kb];W[ia]
(;B[jb];W[hc])
(;B[ja];W[jb]))
(;B[hd];W[jb]))