Hi everyone! Our club received a new member a couple of weeks ago from Korea, Mr. Lee, and so far he's beaten everyone pretty handily. He said that he used to play when he was younger, like in high-school, but hasn't played for many years so doesn't know his rank. I think he's in the dans and also I think he's taking it easy on us lol because he plays so quickly yet still manages to win by such huge margins ><
Our small uni. club is pretty casual anyways so we don't usually worry about handicaps stones and such, but I'd like to get an idea for my own personal motivation (also I don't want him to get bored playing us

). Also, his opening seems a bit unusual, like he plays moves...Just differently and he chooses some unusual joseki at times. Can anyone give me any insight into this? Last, any advice on how to beat him?! Like, what are his weaknesses or such. Also, I have a couple of questions on my game below. Thanks a bunch and sorry for the long first post.
Lee & Sam, 16k
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GM[1]FF[4]VW[]AP[Many Faces of Go version 11]
SZ[19]
HA[0]
ST[0]
PB[Sam]
PW[Lee]
DT[2011-06-05]
KM[6.5]
RU[Japanese]
RE[W+R]
BR[16k];B[dd];W[pd];B[dq];W[pp];B[co];W[jq];B[jc];W[cj]
;B[cg];W[cm];B[gq];W[pn];B[qj];W[qh];B[qm];W[qn];B[pm];W[om]
;B[ol];W[nl];B[nm];W[on];B[nk];W[ml];B[pk];W[mk];B[nj];W[mj]
;B[mc];W[ni];B[oi];W[oj];B[ok];W[oh];B[pi];W[ph];B[nh];W[mi]
;B[gc];W[cc];B[cd];W[dc];B[ec];W[eb];B[fb];W[ed];B[fc];W[bd]
;B[db];W[cb];B[ea];W[de];B[ce];W[cf];B[be];W[bf];B[dg];W[df]
;B[bc];W[ae];B[eg];W[gg];B[ff];W[gf];B[ge];W[fe];B[fd];W[ee]
;B[di];W[ek];B[ei];W[gj];B[ci];W[bj];B[bi];W[fh];B[eh];W[cq]
;B[cp];W[dr];B[cr];W[eq];B[bq];W[ep];B[er];W[fr];B[ds];W[gr]
;B[fq];W[hq];B[gp];W[hp];B[go];W[en];B[eo];W[fo];B[do];W[fn]
;B[fp];W[hn];B[dp];W[gn];B[fs];W[kd];B[kc];W[md];B[ld];W[le]
;B[lc];W[je];B[me];W[nd];B[lf];W[ke];B[mf];W[he];B[gd];W[nc]
;B[hr];W[ir];B[gs];W[hd];B[hc];W[if];B[id];W[rk];B[ql];W[rj]
;B[qk];W[qi];B[pj];W[ie];B[dj];W[dk];B[aj];W[bl];B[bk];W[ck]
;B[ak];W[bn];B[bg];W[ch];B[ag];W[nb];B[bh];W[ai];B[al];W[la]
;B[ah];W[ja];B[jb];W[ha];B[ga];W[rm];B[hb];W[rl];B[ia];W[ka]
;B[ib];W[ap];B[aq];W[ao];B[gh];W[fi];B[fg];W[ig];B[fj];W[gi]
;B[fk];W[ej];B[hh];W[ii];B[hi];W[hj];B[ij];W[ih])
Lee & John, 11k
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GM[1]FF[4]VW[]AP[Many Faces of Go version 11]
SZ[19]
HA[0]
ST[0]
PB[John]
PW[Lee]
DT[2011-06-04]
KM[6.5]
RU[Japanese]
RE[W+R]
BR[11k];B[qd];W[dd];B[pp];W[dp];B[oc];W[qj];B[qm];W[qg]
;B[cj];W[jq];B[cn];W[nq];B[fq];W[eo];B[cq];W[dq];B[cp];W[dm]
;B[cl];W[cm];B[bm];W[dn];B[co];W[dl];B[ck];W[no];B[op];W[np]
;B[pr];W[dr];B[hq];W[gp];B[hp];W[ho];B[jp];W[kq];B[kp];W[ip]
;B[iq];W[io];B[lq];W[lr];B[kr];W[jr];B[mr];W[ks];B[mq];W[nr]
;B[ms];W[ns];B[lp];W[gq];B[ir];W[hr];B[ls];W[qn];B[qo];W[pn]
;B[rn];W[pm];B[fc];W[rm];B[cf];W[qq];B[rr];W[pq];B[rq];W[oq]
;B[ln];W[ll];B[jm];W[jk];B[nm];W[nl];B[on];W[oo];B[po];W[ol]
;B[mm];W[ro];B[kl];W[kk];B[ml];W[mk];B[lm];W[lk];B[hm];W[hk]
;B[jo];W[kn];B[in];W[jl];B[km];W[is];B[mo];W[nn];B[ko];W[il]
;B[im];W[ee];B[db];W[gd];B[fd];W[fe];B[cc];W[dg];B[cg];W[dh]
;B[ch];W[nd];B[jd];W[hd];B[ld];W[nc];B[lc];W[od];B[pc];W[gb]
;B[gc];W[hc];B[fb];W[ib];B[jb];W[kb];B[jc];W[ja];B[lb];W[nb]
;B[pf];W[pe];B[qf];W[qe];B[re];W[rd];B[rf];W[rc];B[pd];W[oe]
;B[rb];W[qb];B[pg];W[qh];B[pi];W[lf];B[ph];W[qi];B[jf];W[di]
;B[mh];W[kh];B[me];W[mf];B[ne];W[nf];B[of];W[lh];B[mg];W[le]
;B[lg];W[kg];B[md];W[ng];B[ig];W[hf];B[ii];W[ke];B[je];W[dk]
;B[gh];W[gj];B[fm];W[cd];B[bd];W[ci];B[bi];W[dj])
Jessica, 6k & Lee
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GM[1]FF[4]VW[]AP[Many Faces of Go version 11]
SZ[19]
HA[0]
ST[0]
PB[Lee]
PW[Jessica]
DT[2011-06-05]
KM[6.5]
RU[Japanese]
RE[B+R]
WR[6k];B[pd];W[dp];B[pp];W[cd];B[fc];W[ec];B[ed];W[dc]
;B[ee];W[cf];B[gd];W[nq];B[pn];W[kp];B[oq];W[np];B[nr];W[mr]
;B[or];W[lq];B[nn];W[gq];B[ck];W[cm];B[ch];W[cq];B[be];W[ce]
;B[bf];W[bd];B[cg];W[ef];B[df];W[de];B[dg];W[ff];B[fb];W[cb]
;B[hf];W[fh];B[hh];W[fj];B[pf];W[lc];B[jc];W[oc];B[pc];W[pb]
;B[od];W[nc];B[qb];W[ob];B[hj];W[fl];B[me];W[kc];B[jb];W[ke]
;B[lf];W[kb];B[jd];W[le];B[kf];W[md];B[nd];W[kd];B[mb];W[mc]
;B[je];W[di];B[ci];W[dk];B[dj];W[ej];B[cj];W[dl];B[hl];W[qi]
;B[qk];W[rf];B[rh];W[rc];B[rb];W[rd];B[qc];W[qg];B[ri];W[qh]
;B[oh];W[oi];B[nh];W[pj];B[pk];W[rg];B[qj];W[nj];B[ok];W[oj]
;B[ph];W[pi];B[ml];W[lj];B[kl];W[mh];B[mg];W[lh];B[ni];W[mi]
;B[mk];W[mj];B[ki];W[kj];B[ji];W[jj];B[ik];W[sc];B[se];W[re])
Me, 5k & Lee
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GM[1]FF[4]VW[]AP[Many Faces of Go version 11]
SZ[19]
HA[0]
ST[0]
PB[Lee]
PW[Allen]
DT[2011-06-04]
KM[6.5]
RU[Japanese]
RE[B+R]
WR[5k];B[pd];W[dp];B[pp];W[dd];B[fq];W[dn];B[dr];W[cq]
;B[iq];W[nc];B[pf];W[pb];B[mc];W[nd];B[nb];W[pc];B[ob];W[oc]
;B[md];W[oe];B[qd];W[me];B[kd];W[fc];B[nf];W[ne];B[of];W[mf]
;B[mg];W[kf];B[lg];W[ke];B[jd];W[qn];B[jh];W[if];B[ql];W[on]
;B[np];W[rp];B[ol];W[mn];B[lp];W[qq];B[pq];W[ml];B[ge];W[df]
;B[hg];W[he];B[gd];W[hd];B[hc];W[ic];B[gc];W[id];B[je];W[jf]
;B[jb];W[ib];B[hf];W[ie];B[jc];W[gb];B[hb];W[ha];B[fb];W[ga]
;B[ed];W[ec];B[dc];W[cc];B[db];W[eb];B[cb];W[cd];B[ch];W[ck]
;B[cf];W[ee];B[fd];W[gf];B[ea];W[fe];B[gg];W[ff];B[dg];W[eg]
;B[eh];W[fg];B[fh];W[ce];B[bf];W[be];B[bc];W[lb];B[mb];W[ld]
;B[lc];W[kb];B[ja];W[ia];B[la])
Move 40: How can I handle this situation? The shoulder hit joseki above 37 seemed bad to me because I'd end with a lot of weak points on my wall, thought it's make the black wall too useful.
Move 41: How to play after this?
Move 46: Is this move that big? It seemed small after Mr. Lee played away.
Move 82: Big mistake, everything died after this lol. And I thought I was doing okay up to then!
Hiro, 3k & Lee
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GM[1]FF[4]VW[]AP[Many Faces of Go version 11]
SZ[19]
HA[0]
ST[0]
PB[Lee]
PW[Hiro]
DT[2011-06-05]
KM[6.5]
RU[Japanese]
RE[B+R]
WR[3k];B[pd];W[dd];B[pp];W[dq];B[cn];W[cp];B[ck];W[qn]
;B[np];W[rp];B[qm];W[pm];B[ql];W[pn];B[rn];W[qp];B[ro];W[pq]
;B[qo];W[op];B[po];W[oo];B[oq];W[nq];B[or];W[pr];B[nr];W[mq]
;B[mr];W[lq];B[rr];W[qr];B[lr];W[rq];B[kq];W[lp];B[mo];W[kp]
;B[on];W[kr];B[jq];W[jr];B[jp];W[jo];B[io];W[ln];B[ko];W[lo]
;B[jn];W[ll];B[mm];W[kn];B[kl];W[lm];B[lk];W[ml];B[mk];W[om]
;B[nn];W[ok];B[nl];W[nm];B[nk];W[mn];B[no];W[pk];B[rs];W[qs]
;B[qg];W[oh];B[og];W[ph];B[pg];W[kk];B[kj];W[jk];B[jl];W[jm]
;B[il];W[jo];B[in];W[ij];B[ii];W[hj];B[nh];W[ni];B[mi];W[mh]
;B[ng];W[mj];B[li];W[nj];B[oj];W[oi];B[qh];W[pj];B[lj];W[qi]
;B[hh];W[fj];B[fh];W[im];B[hm];W[km];B[hl];W[ip];B[ko];W[iq]
;B[jo];W[hn];B[ho];W[gn];B[go];W[fn];B[fl];W[gq];B[fo];W[em]
;B[fq];W[fr];B[hr];W[ir];B[en];W[eo];B[dn];W[fm];B[el];W[fp]
;B[ep];W[do];B[gm];W[gp];B[dm];W[kc];B[qj];W[qk];B[rj];W[rk]
;B[ri];W[rl];B[rm];W[op];B[os];W[sr];B[sm];W[so];B[pi])
Move 15: How do I reply to this? Is there a joseki for it? Mr. Lee seems to like attaching at 11 alot and this sort of shape after 15 is common.