I will be commentating on a lot of moves probably, but do take them only as ideas / comments, not as set in stone rules.
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[6.50]
GN[andrewr-p2501-715657-20120305]PW[Andrew Robinson (andrewr)]PB[Hannes (p2501)]WR[12k]BR[5k]DT[2012-02-27,2012-03-05]GC[Game ID: 715657]PC[Dragon Go Server: http://www.dragongoserver.net/]RE[B+42.50]
;B[pd]
;W[dp]
;B[pq]
;W[dd]
;B[qk]
;W[dj]C[Playable but unusual response to the chinese opening. I think white should approach one of black corners. N3, N4 and O17 come to mind.]
;B[jp]C[Black gets to set up a double wing formation - very strong.]
;W[nc]
;B[lc]
;W[ne]
;B[pf]
;W[kd]
;B[kc]
;W[jd]
;B[ld]
;W[lf]C[Normal continuation would be M15.]
;B[jc]
;W[id]
;B[hc]
;W[pb]
;B[qc]
;W[og]
;B[pg]
;W[oh]
;B[cf]C[After black C14 it looks like white should have invested another move here earlier.]
;W[df]
;B[dg]
;W[ef]
;B[ce]
;W[cd]
;B[ch]
;W[fc]C[F17 looks like it works now, but it leaves all kinds of weaknesses. I would have prefered E17.]
;B[gb]
;W[fb]
;B[hd]
;W[he]
;B[ge]
;W[hf]
;B[gc]
;W[mb]
;B[fd]
;W[ec]
;B[de]
;W[pj]
;B[qj]
;W[pi]
;B[qh]
;W[qi]
;B[ri]
;W[jj]C[That move is a big mistake. You should only play such a move if you can enclose a large center territory with one move. Whites center is not big enough.]
;B[fh]C[Vital point locally.]
;W[hh]
;B[cn]
;W[dl]
;B[fq]
;W[dn]
;B[cq]
;W[dq]C[Wrong side to block I think. White will get not territory on the left, right, top and bottom and has only one corner.]
;B[cp]
;W[co]
;B[bo]
;W[do]
;B[bm]
;W[cr]
;B[br]
;W[pk]
;B[ql]
;W[pl]
;B[pn]
;W[hp]
;B[nm]
;W[ko]
;B[kp]
;W[jo]
;B[fj]
;W[mo]
;B[ip]
;W[io]
;B[hq]
;W[lp]
;B[gp]
;W[lr]
;B[ho]
;W[hn]
;B[gn]
;W[gl]
;B[fl]
;W[fk]
;B[ek]
;W[fm]
;B[gk]
;W[gm]
;B[dm]
;W[em]
;B[cm]
;W[fn]
;B[el]
;W[go]
;B[kr]
;W[jr]
;B[lq]
;W[mq]
;B[kq]
;W[mr]
;B[ks]
;W[op]
;B[pp]
;W[on]
;B[pm]
;W[om]
;B[ik]
;W[hk]
;B[hj]
;W[ij]
;B[hl]
;W[jl]
;B[im]
;W[in]
;B[jm]
;W[kl]
;B[km]
;W[lm]
;B[qb]
;W[ib]C[Very big move.]
;B[ic]
;W[ja]C[Works but is the wrong side, M19 would have been much better. L18 for instance would now be a bigger ko threat. But thats all there is to it.]
;B[gf]
;W[gg]
;B[fg]
;W[bd]
;B[be]
;W[qa]
;B[ra]
;W[pa]
;B[rc]
;W[oc]
;B[pc]
;W[ob]
;B[ad]
;W[ac]
;B[ae]
;W[bc]
;B[ed]
;W[gr]
;B[fr]
;W[fp]
;B[hr]
;W[ph]
;B[rh]
;W[oq]C[Big, but white should have returned to the top left.]
;B[ke]
;W[ie]
;B[le]
;W[kf]
;B[fa]
;W[db]C[Correct.]
;B[da]
;W[ca]
;B[ea]
;W[eb]
;B[ga]
;W[cb]
;B[dr]C[Very big.]
;W[er]
;B[cs]
;W[eq]
;B[es]
;W[pr]
;B[qr]
;W[or]
;B[po]
;W[oe]
;B[oo]
;W[no]
;B[lb]
;W[la]
;B[qs]
;W[pe]
;B[qe]
;W[gi]
;B[fi]
;W[hi]
;B[gj]
;W[jk]
;B[me]
;W[mf]
;B[kn]
;W[ln]
;B[je]
;W[jf]
;B[of]
;W[nf]
;B[hp]
;W[hm]
;B[il]
;W[jn]
;B[hk]
;W[ls]
;B[ps]
;W[os]
;B[gh]
;W[hg]
;B[kb]
;W[ka]
;B[jb]
;W[ia]
;B[hb]
;W[mc]
;B[ha]
;W[ma]
;B[gd]
;W[md]
;B[od]
;W[nd]C[Well played.]
;TW[aa][ba][na][oa][ab][bb][nb][cc][dc][if][ig][jg][kg][lg][mg][ng][ih][jh][kh][lh][mh][nh][ii][ji][ki][li][mi][ni][oi][kj][lj][mj][nj][oj][kk][lk][mk][nk][ok][ll][ml][nl][ol][mm][nm][en][gn][mn][nn][eo][fo][lo][ep][mp][np][nq][nr][ms][ns]TB[sa][rb][sb][sc][qd][rd][sd][ee][fe][re][se][af][bf][df][ef][ff][qf][rf][sf][ag][bg][cg][eg][qg][rg][sg][ah][bh][dh][eh][sh][ai][bi][ci][di][ei][si][aj][bj][cj][dj][ej][rj][sj][ak][bk][ck][dk][fk][rk][sk][al][bl][cl][dl][rl][sl][am][qm][rm][sm][an][bn][qn][rn][sn][ao][qo][ro][so][ap][bp][qp][rp][sp][aq][bq][gq][iq][jq][qq][rq][sq][ar][cr][gr][ir][jr][rr][sr][as][bs][ds][fs][gs][hs][is][js][rs][ss]C[White: 59 territories + 2 prisoners + 6.5 komi = 67.5
Black: 100 territories + 10 prisoners = 110
Result: B+42.5]N[RESULT])
RU[Japanese]SZ[19]KM[6.50]
GN[andrewr-p2501-715657-20120305]PW[Andrew Robinson (andrewr)]PB[Hannes (p2501)]WR[12k]BR[5k]DT[2012-02-27,2012-03-05]GC[Game ID: 715657]PC[Dragon Go Server: http://www.dragongoserver.net/]RE[B+42.50]
;B[pd]
;W[dp]
;B[pq]
;W[dd]
;B[qk]
;W[dj]C[Playable but unusual response to the chinese opening. I think white should approach one of black corners. N3, N4 and O17 come to mind.]
;B[jp]C[Black gets to set up a double wing formation - very strong.]
;W[nc]
;B[lc]
;W[ne]
;B[pf]
;W[kd]
;B[kc]
;W[jd]
;B[ld]
;W[lf]C[Normal continuation would be M15.]
;B[jc]
;W[id]
;B[hc]
;W[pb]
;B[qc]
;W[og]
;B[pg]
;W[oh]
;B[cf]C[After black C14 it looks like white should have invested another move here earlier.]
;W[df]
;B[dg]
;W[ef]
;B[ce]
;W[cd]
;B[ch]
;W[fc]C[F17 looks like it works now, but it leaves all kinds of weaknesses. I would have prefered E17.]
;B[gb]
;W[fb]
;B[hd]
;W[he]
;B[ge]
;W[hf]
;B[gc]
;W[mb]
;B[fd]
;W[ec]
;B[de]
;W[pj]
;B[qj]
;W[pi]
;B[qh]
;W[qi]
;B[ri]
;W[jj]C[That move is a big mistake. You should only play such a move if you can enclose a large center territory with one move. Whites center is not big enough.]
;B[fh]C[Vital point locally.]
;W[hh]
;B[cn]
;W[dl]
;B[fq]
;W[dn]
;B[cq]
;W[dq]C[Wrong side to block I think. White will get not territory on the left, right, top and bottom and has only one corner.]
;B[cp]
;W[co]
;B[bo]
;W[do]
;B[bm]
;W[cr]
;B[br]
;W[pk]
;B[ql]
;W[pl]
;B[pn]
;W[hp]
;B[nm]
;W[ko]
;B[kp]
;W[jo]
;B[fj]
;W[mo]
;B[ip]
;W[io]
;B[hq]
;W[lp]
;B[gp]
;W[lr]
;B[ho]
;W[hn]
;B[gn]
;W[gl]
;B[fl]
;W[fk]
;B[ek]
;W[fm]
;B[gk]
;W[gm]
;B[dm]
;W[em]
;B[cm]
;W[fn]
;B[el]
;W[go]
;B[kr]
;W[jr]
;B[lq]
;W[mq]
;B[kq]
;W[mr]
;B[ks]
;W[op]
;B[pp]
;W[on]
;B[pm]
;W[om]
;B[ik]
;W[hk]
;B[hj]
;W[ij]
;B[hl]
;W[jl]
;B[im]
;W[in]
;B[jm]
;W[kl]
;B[km]
;W[lm]
;B[qb]
;W[ib]C[Very big move.]
;B[ic]
;W[ja]C[Works but is the wrong side, M19 would have been much better. L18 for instance would now be a bigger ko threat. But thats all there is to it.]
;B[gf]
;W[gg]
;B[fg]
;W[bd]
;B[be]
;W[qa]
;B[ra]
;W[pa]
;B[rc]
;W[oc]
;B[pc]
;W[ob]
;B[ad]
;W[ac]
;B[ae]
;W[bc]
;B[ed]
;W[gr]
;B[fr]
;W[fp]
;B[hr]
;W[ph]
;B[rh]
;W[oq]C[Big, but white should have returned to the top left.]
;B[ke]
;W[ie]
;B[le]
;W[kf]
;B[fa]
;W[db]C[Correct.]
;B[da]
;W[ca]
;B[ea]
;W[eb]
;B[ga]
;W[cb]
;B[dr]C[Very big.]
;W[er]
;B[cs]
;W[eq]
;B[es]
;W[pr]
;B[qr]
;W[or]
;B[po]
;W[oe]
;B[oo]
;W[no]
;B[lb]
;W[la]
;B[qs]
;W[pe]
;B[qe]
;W[gi]
;B[fi]
;W[hi]
;B[gj]
;W[jk]
;B[me]
;W[mf]
;B[kn]
;W[ln]
;B[je]
;W[jf]
;B[of]
;W[nf]
;B[hp]
;W[hm]
;B[il]
;W[jn]
;B[hk]
;W[ls]
;B[ps]
;W[os]
;B[gh]
;W[hg]
;B[kb]
;W[ka]
;B[jb]
;W[ia]
;B[hb]
;W[mc]
;B[ha]
;W[ma]
;B[gd]
;W[md]
;B[od]
;W[nd]C[Well played.]
;TW[aa][ba][na][oa][ab][bb][nb][cc][dc][if][ig][jg][kg][lg][mg][ng][ih][jh][kh][lh][mh][nh][ii][ji][ki][li][mi][ni][oi][kj][lj][mj][nj][oj][kk][lk][mk][nk][ok][ll][ml][nl][ol][mm][nm][en][gn][mn][nn][eo][fo][lo][ep][mp][np][nq][nr][ms][ns]TB[sa][rb][sb][sc][qd][rd][sd][ee][fe][re][se][af][bf][df][ef][ff][qf][rf][sf][ag][bg][cg][eg][qg][rg][sg][ah][bh][dh][eh][sh][ai][bi][ci][di][ei][si][aj][bj][cj][dj][ej][rj][sj][ak][bk][ck][dk][fk][rk][sk][al][bl][cl][dl][rl][sl][am][qm][rm][sm][an][bn][qn][rn][sn][ao][qo][ro][so][ap][bp][qp][rp][sp][aq][bq][gq][iq][jq][qq][rq][sq][ar][cr][gr][ir][jr][rr][sr][as][bs][ds][fs][gs][hs][is][js][rs][ss]C[White: 59 territories + 2 prisoners + 6.5 komi = 67.5
Black: 100 territories + 10 prisoners = 110
Result: B+42.5]N[RESULT])