Dem, There are many strange moves, bad shapes, and non-nonsensical moves -- too many to list them all,
for example,

and

are a standard bad habit at your levels --
just continue to play lots of games to gain more experience for now, and occasionally ask for reviews.
(;CA[Windows-1252]GM[1]RU[japanese]AP[MultiGo:4.4.4]SZ[19]FF[4]DT[2013-12-15]PC[OGS]
PB[dem]BR[27k]PW[johnkelly]WR[20k]KM[6.5]RE[W+R]MULTIGOGM[0]
;B[pd];W[cd];B[pj];W[eq];B[pp];W[dj];B[jd];W[nq];B[pq];W[no];B[ed];W[ki];B[nm];W[ln]
;B[lh];W[li];B[mi];W[kh];B[mh];W[df];B[ll];W[db];B[eb];W[dc];B[gf];W[ho];B[kg];W[hi]
;B[jj];W[ji];B[ii];W[ih];B[ij];W[hg];B[jg];W[jh];B[gj];W[hj];B[hk];W[gi];B[gk];W[fj]
;B[jk];W[gg];B[hf];W[ff];B[fe];W[ef];B[kl];W[fl];B[gm];W[gl];B[hl];W[hm];B[im];W[hn]
;B[in];W[io];B[jn];W[jo];B[kn];W[ko];B[lm];W[mn];B[nn];W[oo];B[pn];W[po];B[qo];W[oq]
;B[or];W[nr]
(;B[ps]C[Bad habit. See var. Same bad habit as move 85.];W[nc]
(;B[ob]C[You are trying to kill W, which is OK. The problem is not this move, but your follow-ups later.
See also variation.]
;W[nb];B[oc];W[kc];B[jc];W[kd]
(;B[le]C[Your idea is OK -- When B is very strong locally, like it is here,
you can think about this kind of move. See variation.]
;W[ld]
(;B[kb]LB[lb:a]C[You have to think ahead and realize W(a) will be sente. See var.]
;W[lb]
(;B[ja]C[Same bad habit as move 73. Mis-understanding of shape. See var.];W[me]
(;B[mf]C[This hane helps W. See var.];W[ne];B[nd]LB[mf:a][ne:b]C[Go back and see move 87, variation. You could have played this vital point on move 87,
without the (a)-(b) exchange.]
;W[md]
(;B[of]C[See var.];W[oe];B[od];W[nf];B[og];W[pe];B[qd];W[qe]
(;B[re]C[See var.];W[rf];B[rd];W[qg];B[qi];W[rh];B[ri];W[pf];B[sf];W[sg];B[se];W[qh]
;B[pg];W[mg];B[lf];W[ng];B[ph];W[oh];B[pi];W[nh];B[lg];W[ee];B[fd];W[ec];B[fc];W[fb]
;B[gb];W[fa];B[ga];W[ea];B[cp];W[cn];B[dr];W[er];B[dq];W[br];B[bo];W[bn];B[co];W[eo]
;B[an];W[am];B[ao];W[bm];B[fk];W[ek];B[es];W[fs];B[ds];W[fr];B[do];W[dn];B[ep];W[fp]
;B[bq];W[cr];B[cq];W[ig];B[if];W[lj];B[mk];W[mj];B[nj];W[ni];B[oj];W[oa];B[pa];W[na]
;B[pb];W[dd];B[si];W[sh];B[on];W[je];B[jf];W[ie];B[id];W[he];B[ge];W[hd];B[hc];W[ke])
(;B[qg]))
(;B[od]))
(;B[nd]C[Locally, W is still dead shape.]))
(;B[jb]C[Just connect.]))
(;B[jb];W[kb];B[me]C[Locally, W is still dead shape.]))
(;B[md]C[This one seems more difficult for W.]))
(;B[pc]C[Also possible. Without any contact with W, in this case, you make it more difficult for W.]))
(;B[pr]C[Just connect.]))