I felt pretty good about this one...which is a sure sign that I'm getting overconfident again. Any comments are welcome, especially on how to improve my game. I'm most concerned with the upper left, particularly move 41.
( Correction: On move 71, 'a' is supposed to be at S15 )
(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]SZ[19]KM[0.50]TM[1800]OT[5x30 byo-yomi]PW[welder]PB[Bilapidate]WR[1d]BR[1k]DT[2011-10-08]PC[The KGS Go Server at http://www.gokgs.com/];B[po]BL[1790.872];W[qd]WL[1797.627]C[welder [1d]: hi
];B[dd]BL[1784.189];W[dq]WL[1793.188]C[Bilapidate [1k]: Hi
];B[od]BL[1775.402]C[Bilapidate [1k]: GG
Bilapidate [1k]: BTW, what is your L19 handle?
];W[ld]WL[1762.287]C[JB: He doesn't answer the question about L19. That right there should tell me that I'm dealiong with someone who is unschooled in basic etiquette...];B[pg]BL[1765.633];W[qf]WL[1754.486]C[JB: This seemed to passive to me. I thought that the basic idea of the joseki at this point is that he should somehow challenge the long ogiema extension,.];B[qc]BL[1756.002]LB[of:A]C[Playing 'a' is probably theoretically sounder for me. But I figure that if he plays a slow move, I can play one also. Mine not only grabs territory like his, but it is tactically significant also.];W[oe]WL[1741.492]C[JB: Now he splits...];B[pd]BL[1738.356]C[JB: S16 is big for me next move unless he protects.];W[qe]WL[1699.448]C[JB: Now S17 and O16 look like miai.];B[ne]BL[1719.158]C[JB: I'll take the more active of the two.];W[of]WL[1695.029];B[md]BL[1714.131];W[rc]WL[1691.654];B[le]BL[1705.18];W[lc]WL[1680.162];B[qb]BL[1701.675];W[nb]WL[1648.593];B[mc]BL[1693.774];W[mb]WL[1643.892];B[rb]BL[1692.843];W[sd]WL[1640.949];B[kb]BL[1660.011];W[lb]WL[1636.939];B[jc]BL[1655.932]C[JB: Nice relationship with M15, and ensures that he will get only one eye down there.];W[jd]WL[1634.441];B[ic]BL[1651.5];W[ke]WL[1630.372];B[lf]BL[1649.834];W[nc]WL[1628.234];B[nd]BL[1647.996];W[pi]WL[1622.634];B[qk]BL[1626.907]C[JB: Limit his expansion, and prepare to extract Q13 in some possible futures];W[jg]WL[1614.439];B[lh]BL[1613.224];W[gc]WL[1610.704];B[hd]BL[1601.246];W[ed]WL[1587.241];B[ee]BL[1583.229];W[fe]WL[1559.887];B[fd]BL[1563.129]C[JB: I offer to give him my group if he'll play G16. I'd get sente and a ponnuki which leads to a big corner.];W[ec]WL[1556.035];B[gd]BL[1556.332];W[db]WL[1540.191]C[JB: I thought that cutting at 'a' was much stronger.]LB[de:A];B[fc]BL[1548.05];W[fb]WL[1534.409];B[dc]BL[1545.269];W[eb]WL[1531.887];B[de]BL[1539.476];W[cc]WL[1503.974];B[bd]BL[1533.22];W[cd]WL[1499.357];B[ce]BL[1531.446];W[bc]WL[1497.245];B[ff]BL[1519.27]C[JB: I think that it is my game now. My influence is worth way more than his territory.];W[nh]WL[1457.887];B[ni]BL[1492.223]C[JB: Trying to lock him in];W[mi]WL[1442.126]C[JB: Which he, of course, does not like...];B[mh]BL[1487.338];W[nj]WL[1416.294];B[ng]BL[1483.844];W[oi]WL[1410.644];B[og]BL[1479.572];W[nf]WL[1396.775]C[JB: Now it gets fun. His safest, IMHO, is S12. It connects.];B[qg]BL[1320.794]C[JB: Letting him have N14 if he wants. My calculations were that I would win the resulting fight. Now, I'm not so sure.];W[rg]WL[1347.072]C[JB: He blinks first.];B[rh]BL[1313.126]C[JB: I offer it again...];W[sg]WL[1328.297]C[JB: He declines again.];B[mf]BL[1290.602]C[JB: I chicken out. Did I miss a kill here with 'a'? I don't know. But I do know that now he has to play 'a to stay alive, so I will have sente and one weak group, whereas he has two weak groups. So I choose the better part of valor.];W[qh]WL[1297.517]C[JB: Interposing a move that threatens to save him while making a cut.];B[ri]BL[1266.261]C[JB: Which I of course answer.];W[re]WL[1263.106]C[JB: Now I get the aforementioned sente.];B[ki]BL[1260.489]C[JB: Something is going to die.];W[hf]WL[1243.09];B[he]BL[1249.715];W[ii]WL[1238.886];B[kk]BL[1217.328];W[ml]WL[1228.913];B[jh]BL[1152.103];W[ig]WL[1163.118];B[ih]BL[1136.505];W[hh]WL[1156.085];B[kf]BL[1122.739];W[jf]WL[1144.816];B[ie]BL[1121.607];W[je]WL[1142.829];B[hi]BL[1119.635];W[gi]WL[1119.377];B[hj]BL[1115.584];W[gg]WL[1113.987];B[fh]BL[1107.932];W[gh]WL[1103.056];B[eh]BL[1087.898];W[ej]WL[1068.873];B[fj]BL[1059.285];W[fi]WL[1063.678];B[ei]BL[1055.704];W[gj]WL[1044.2];B[fk]BL[1054.709];W[gk]WL[1026.968];B[km]BL[1019.128];W[mn]WL[1012.819];B[fl]BL[1013.461];W[dj]WL[1002.366];B[gl]BL[985.618];W[ji]WL[988.024];B[kh]BL[982.801];W[ik]WL[986.11];B[jj]BL[969.868];W[ij]WL[984.035];B[hl]BL[968.382];W[hk]WL[981.991];B[ob]BL[966.472];W[na]WL[972.923];B[la]BL[941.142];W[oc]WL[964.527];B[pc]BL[939.179];W[oa]WL[962.297];B[sb]BL[923.657]C[JB: Chasing him has netted me the outline of a winning moyo on the left, so time to be conservative. Make an eyball for one group...];W[sc]WL[955.514];B[gf]BL[863.418]C[JB....and an eye for another. ( This, BTW, making H13 permanetly a false eye, means that Q18 would reduce him to one eye again. )];W[jk]WL[922.457];B[kj]BL[835.655]C[Bilapidate [1k]:

];W[kl]WL[904.183];B[ll]BL[833.762];W[jl]WL[902.331];B[lk]BL[825.932];W[lm]WL[888.993];B[mk]BL[821.465];W[nl]WL[887.76]C[JB: He misses the ladder...];B[nk]BL[819.938];W[ok]WL[886.755];B[ol]BL[818.934];W[pl]WL[885.672];B[om]BL[817.897];W[pk]WL[884.843];B[mm]BL[789.576](;W[ln]WL[871.911]C[JB: Now he sees the ladder. See variation.];B[nm]BL[785.187];W[qn]WL[850.455];B[rn]BL[671.621]C[JB: Probably unnecessarily complex. I think that Q7 works.];W[qo]WL[828.228];B[qi]BL[660.696]C[jtscarry [4k]: oh no
jtscarry [4k]: where did he go?
Bilapidate [1k]: Hi JTS
jtscarry [4k]: hello
jtscarry [4k]: i wonder who he was
jtscarry [4k]: it was pretty exciting, too
JB: At this point he escapes.I think that I can live small on the right side, leaving him with weak groups all over. If I ever get a chance to play C8 or K6, it gets really bad for him.]TR[jn][cl])(;W[nm];B[nn];W[mm];B[mo];W[ln];B[kn];W[lo];B[lp];W[ko];B[jo]))