(;SZ[9]AB[bh]AB[cg]AB[dg]AB[dh]AB[eh]AB[ei]AB[bf]AB[be]AB[bd]AB[cd]AB[ad]AB[ac]AW[ab]AW[bc]AW[ba]AW[cc]AW[dd]AW[ce]AW[cf]AW[df]AW[ef]AW[ff]AW[gf]AW[hf]AB[if]AB[hg]AB[ig]AB[ih]AB[ii]AB[hi]AB[gh]AW[fg]AW[fh]AW[fi]AW[gi]AW[db]AW[eb]AW[ea]AW[ec]AB[fa]AB[gb]AB[fb]AB[fc]AW[fd]AW[fe]AB[ge]AB[gd]AB[gc]AB[hd]AB[id]AB[he]AW[ic]AW[hb]AW[ha]AW[ia]C[Black to win. Play at P (E3) whenever you like to pass.FORCE]LB[eg:P]AP[goproblems] (;B[gg];W[hc]C[Play at P if you wish to pass.]LB[eg:P] (;B[ga];W[ie]) (;B[ie]C[This move is not needed. You already had seki before this move. So this move is 0 points gote.Black wins by half a point.RIGHT]) (;B[eg]LB[eg:P]C[White has 9 points 0.5 komi, Black has 10 points and wins by 0.5 points.RIGHT]) (;B[bb];W[cb]LB[eg:P]C[No gain, no pain. As before, play at P if you wish to pass.] (;B[eg]C[White has 9 points 0.5 komi, Black has 10 points and wins by 0.5 points.RIGHT]) (;B[ie]C[This move is not needed. You already had seki before this move. So this move is 0 points gote.Black wins by half a point.RIGHT]))) (;B[hh];W[gg]) (;B[hc];W[gg]C[] (;B[ga];W[ie]) (;B[ib]C[Ko];W[hh]C[Ko] (;B[ga];W[ie];B[if];W[ig];B[ie]C[White has 14 7 0.5 = 21.5 points, Black has 14 5 = 19 points. White wins by 2.5 points.]) (;B[ie]C[];W[ic]C[] (;B[gh];W[ib]C[Black has one eye and dies.]) (;B[bb];W[ga])) (;B[bb];W[ic] (;B[aa];W[ib]C[Black is dead.]) (;B[ie];W[ga]) (;B[ga];W[ie]) (;B[gh];W[ib]C[Black is dead.]))) (;B[ie];W[ib]C[Black has one eye and dies.])) (;B[ie];W[gg] (;B[hc];W[ib]C[Black has one eye and dies.]) (;B[ga]C[Black is dead.])) (;B[eg]C[];W[gg] (;B[hc];W[ib]C[One eye...]) (;B[ga]C[Dead as it stands.])) (;B[ga];W[gg]C[Black is dead .]) (;B[bb];W[gg] (;B[hc];W[ib]C[BLack has one eye and dies.]) (;B[ga];W[cb]C[The Black group on the right is dead, White just rubs it in now.])))