Please leave a comment if there are any mistakes/alternate paths.
(;AB[ac]AB[bc]AB[db]AB[da]AW[eb]AW[ec]AW[ed]AW[dd]AW[cd]AW[bd]AB[ag]AB[bg]AW[af]AW[bf]AW[cf]AW[ef]AW[gh]AW[ee]AB[fd]AB[fc]AB[hc]AB[ad]C[No prisoners, white 0.5 komi. Blacks turn. Who has won the game?FORCE]AW[id]AW[ic]AW[ib]AB[hb]AW[ea]AW[jd]AW[ia]AB[gb]AB[fa]AB[ha]AB[fb]AW[ie]AW[hg]AB[fh]SZ[11]AB[jj]AB[jk]AB[ji]AB[jh]AB[jg]AW[bj]AW[bk]AW[cj]AW[dj]AW[ej]AW[fj]AW[gk]AW[gj]AB[aj]AB[ai]AW[ei]AB[eh]AB[fi]AB[gi]AB[dh]AW[kc]AW[ke]AW[je]AW[if]AW[ih]AW[hh]AB[jf]AB[bh]AB[ch]AB[ah]AW[bi]LB[ci:Black]LB[di:White]AW[jb]AB[hk]AB[hj]AB[hi]AW[ii]AW[ij]AW[ik]AW[he]AB[cc]AB[dc]AW[be]AW[de]AW[dg]AW[cg]AW[eg]AB[ge]AB[gg]AB[fe]AB[fg]AW[ig]AW[kf]AB[kg]AB[gd]AB[gf]AP[goproblems]
(;B[ci]C[FORCE];W[ba];B[bb]C[FORCE];W[ca];B[aa]C[FORCE];W[ab]LB[dk:Ko T.]C[FORCE];B[dk]C[FORCE];W[ek];B[aa]C[FORCE];W[ki]
(;B[kj]C[FORCE];W[ab]C[Black is dead on the upper left corner. Black should have defended. Tenuki at F6 if you don't believe me.]TR[ff];B[ff]C[FORCE];W[aa];B[cb]C[FORCE];W[ba];B[aa]C[FORCE];W[ab]C[Bent-four and black has no ko threats. Black is dead.])
(;B[cb]C[FORCE];W[kj]C[The group on bottom corner is dead. Black should have defended.]))
(;B[di]C[FORCE];W[ci]C[Defend at B10.FORCE]MA[bb];B[bb]C[White wins 11.5 to 11. Good job!RIGHT]))
