Interesting Game

I played an interesting game yesterday. I was black and I somehow managed to get a ko threat which forced white to reduce his own liberty. I commented the game. Feel free to drop some inputs.

Here is the game record:

(;CA[Windows-1252]SZ[19]AP[MultiGo:4.4.4]DT[2011-03-04]KM[6.5]HA[0]RE[B+R]MULTIGOGM[1]
;B[qd];W[dp];B[pp];W[ed];B[cd];W[ce];B[be];W[cf];B[dd];W[ee];B[bf];W[cg];B[ec];W[fc]
;B[db];W[gd]C[A rare joseki.];B[lc]
(;W[nc]C[I think the invasion is premature.];B[pc];W[md];B[ld];W[jc];B[jd];W[id]
;B[je];W[ic];B[me];W[ne];B[mf];W[nf];B[od];W[nd];B[mg];W[qf];B[oh];W[pg];B[qi]C[Now white's group is heavy.]
;W[qh];B[ri];W[rh];B[og];W[pe];B[of];W[oe];B[re];W[rf]
(;B[rc]C[I don't think I can kill the group.];W[pb];B[qb];W[oc];B[pd];W[mb];B[lb]
;W[ob];B[jp];W[ng];B[nh];W[mh];B[pi];W[lh];B[pf];W[qe];B[ph];W[se];B[rd];W[qg];B[sg]
;W[sf];B[sh];W[pa];B[na];W[ra]C[I actually missed this simple answer.];B[rb];W[qa]
;B[ma];W[sb];B[jh]C[Eventhough my corner was killed, I got a strong wall.];W[kf]
;B[le];W[kh];B[jf];W[jg];B[ig];W[kg];B[ji];W[lk];B[jk];W[kj];B[jj];W[lm];B[kl];W[ll]
;B[ol];W[jn];B[km];W[kn];B[ln];W[mn];B[lo];W[mo];B[lp];W[mp];B[lq];W[pn];B[nm];W[mm]
;B[oo];W[on];B[nn];W[no];B[ql];W[qp];B[pq];W[qq];B[nq];W[mq];B[mr];W[po];B[op];W[lr]
(;B[or];W[ms];B[nr];W[kr];B[jq];W[jr];B[qr];W[rr];B[rs];W[kk];B[jl];W[iq];B[ip]
;W[hq];B[hp];W[im];B[gq];W[gr];B[fr];W[hr];B[gn];W[nl];B[om];W[nk];B[mi];W[mj];B[li]
;W[ki];B[ni];W[if];B[ke];W[ie];B[kc]
(;W[jb]C[maybe white should just cut black.];B[ok];W[kb]C[Again, the cut is better.]
;B[nj];W[ka];B[la];W[mk];B[ih];W[nb];B[np];W[fq];B[gp];W[eq];B[hl];W[dm];B[bh];W[bg]
;B[ag];W[ci];B[bj];W[bi];B[ai];W[ch];B[ah];W[ck];B[bl];W[bk];B[ak];W[cj];B[aj];W[bm]
;B[bd];W[qm];B[rl];W[rm];B[ro];W[qo];B[rn];W[sm];B[rq];W[rp];B[sr];W[gi];B[gg];W[gl]
;B[gm];W[gk];B[en];W[dn];B[fl];W[fk];B[el];W[ek];B[gh];W[fi];B[hk];W[hi];B[hm]C[If white cuts, I have to play a lot of moves in my own territory. that's why I connected here.]
;W[af];B[ae];W[eb];B[dc];W[eg];B[fb];W[gb];B[ea];W[dl];B[lj];W[oa];B[sc];W[sd];B[sa]
C[I have some useful ko threats here..];W[kq];B[kp];W[sb];B[lg]C[Now white has to decrease his own liberty or his group will die. but that means his corner will die easily.]
;W[mc];B[sa])
(;W[ih];B[hg];W[hh];B[gg];W[gh];B[fg];W[fh]
(;B[eg];W[hk])
(;B[hk];W[eg];B[jb];W[ib];B[ka];W[cn])))
(;B[kr];W[nr];B[ls]
(;W[or];B[pr];W[oq];B[ns];W[np];B[os]C[This connects black, but white has another answer.])
(;W[pr];B[or];W[np];B[ns];W[oq]C[white will easily alive.])))
(;B[mb];W[pd]
(;B[oc];W[qc])
(;B[rc];W[oc];B[pb]
(;W[pf])
(;W[nq];B[pf];W[qe];B[ph];W[se];B[rd];W[qg];B[sg]))))
(;W[jc];B[oc];W[nq]C[Maybe this is better.]))

Or you can download the game here.