(;SZ[9]AB[ad]AB[bd]AB[ce]AB[de]AB[fe]AB[ff]AB[ie]AB[hd]AB[id]AB[ic]AB[hf]AB[gg]AB[eg]AB[dg]AB[cg]AB[cf]AW[ac]AW[bc]AW[cc]AW[cd]AW[dd]AW[ed]AW[ee]AW[ef]AW[df]AW[fd]AW[gd]AW[ge]AW[gf]AW[he]AW[hc]AW[gb]AW[fc]AW[hb]TR[gf]C[White just played the marked stone - how should black respond? No komi, white has one prisoner.]AB[be]AP[goproblems]
(;B[hg];W[fg];B[fh];W[ib]
(;B[if];W[ff]C[It's too bad about the two stones, but you saved the right side and won by one point.RIGHT])
(;B[ff];W[if]C[Oops.]))
(;B[hh];W[fg];B[fh];W[ib]
(;B[if];W[ff]C[It's too bad about the two stones, but you saved the right side and won by one point.RIGHT])
(;B[ff];W[if]C[Oops.]))
(;B[fg];W[hg]C[All the stones on the right are lost!]TR[hf]TR[ie]TR[id]TR[ic]TR[hd])
(;B[if];W[fg];B[fh];W[hg]
(;B[ff];W[hh]C[All the stones on the right are lost!]TR[hf]TR[if]TR[ie]TR[id]TR[hd]TR[ic])
(;B[gh];W[hh]C[All the stones on the right are lost!]TR[hf]TR[if]TR[ie]TR[id]TR[ic]TR[hd])
(;B[ig];W[gh]C[All the stones on the right are lost!]TR[ig]TR[if]TR[hf]TR[hd]TR[ie]TR[id]TR[ic])
(;B[hh];W[gh]C[All the stones on the right are lost!]TR[hf]TR[if]TR[ie]TR[id]TR[ic]TR[hd]))
(;B[ig];W[fg];B[fh]C[];W[ff]C[You've saved the stones on the right, but you could do better than jigo. The marked stone wasted a point - you still need to protect the cut at A and will eventually need to connect at B.]TR[ig]LB[gh:A]LB[if:B]))