(;AW[eb]AW[fb]AW[ec]AW[dd]AW[de]AW[cd]AW[cf]AW[be]AW[bg]AB[bh]AB[cg]AB[df]AB[ee]AW[fe]AW[gf]AB[ef]AB[eg]AB[fg]AB[gg]AB[hf]AB[he]AB[ie]AW[hg]AW[ig]AW[if]AW[jg]AW[hh]AW[gh]AW[fh]AB[jf]AB[ke]AB[fc]AB[fd]AB[gb]AB[kb]AB[kc]AB[le]C[What was white trying to set up with the given exchange?]LB[fe:1]LB[ee:2]AB[dh]AB[ci]AP[goproblems] (;W[hb] (;B[ga];W[gc];B[hc];W[gd]C[Yep :-)RIGHT])) (;W[ga];B[hb];W[ha];B[ia];W[fa]C[White can do better.]) (;W[gc];B[gd];W[hc];B[hb]) (;W[hc];B[hb];W[gd];B[ge]) (;W[ha];B[hb];W[ga];B[ia];W[fa]) (;W[ed];B[hc]C[Black has covered his weakness and you have gained nothing!]))