(;GM[1]US[Brought to you by IGS]CP[
  Copyright (c) Tim L. Casey 1994
  Permission to reproduce this game is given, provided proper credit is given.
  No warrantee, implied or explicit, is understood.
  Use of this game is an understanding and agreement of this notice.
]GN[osman-ej(B) IGS]RE[B+Resign]PW[osman]WR[3k*]NW[0]PB[ej]BR[4k*]NB[0]PC[IGS:  hellspark.wharton.upenn.edu 6969]DT[1994-12-11]SZ[19]TM[600]KM[0.5]LT[]KI[1]FF[3]BS[0]WS[0];B[pd]BL[593.0]C[
 osman 3k*: have a good game !
];W[po]WL[591.0];B[dd]BL[583.0];W[cp]WL[582.0];B[pq]BL[579.0];W[dj]WL[571.0];B[qo]BL[571.0];W[qn]WL[567.0];B[qp]BL[564.0]

(;W[nn]WL[550.0]C[This jump is usually played to:
- build a big moyo or
- run away lightly

Here it is unusual];B[nq]BL[545.0]C[White should extend on the right side now]
(;W[jc]WL[532.0];B[hc]BL[535.0];W[nc]WL[512.0];B[lc]BL[524.0]
(;W[ph]WL[487.0]C[The right direction, but can you ignore an invasion such as B15? I would not dare do so.]
(;B[ob]BL[455.0]C[Strange. Seems to help w to settle]
(;W[eq]WL[469.0]C[
 osman 3k*: different kind of opening !

MM: Yes...];B[le]BL[425.0]C[
 osman 3k*: i'm an engineer at Digital Equip. Corp., 42 years old.  you ?
 osman 3k*: thanks.
];W[cf]WL[377.0]TE[1]C[Good. Biggest point.];B[cd]BL[400.0]C[Now, the top side is still hard to handle for W. Why not simply build up the moyo?]
(;W[he]WL[373.0];B[fc]BL[347.0]
(;W[pf]WL[358.0]C[Too narrow.];B[ql]BL[329.0]TE[1]C[Very good, exposes W weakness.];W[qm]WL[348.0];B[pl]BL[315.0];W[qj]WL[340.0];B[nl]BL[305.0]
(;W[ll]WL[313.0]BM[1]C[Terrible. W group is weak, you must stay connected];B[mm]BL[289.0];W[mn]WL[310.0];B[lm]BL[250.0];W[ln]WL[124.0];B[om]BL[244.0];W[on]WL[99.0]
(;B[kn]BL[234.0]C[Risky. Leaves a cutting point.]
(;W[ko]WL[89.0];B[jn]BL[226.0];W[jo]WL[84.0];B[lp]BL[215.0];W[lo]WL[55.0];B[in]BL[192.0]C[
 osman 3k*: hi
 osman 3k*: is entering byo-yomi
]
(;W[op]WL[468.0]C[No.]
(;B[mq]BL[157.0]
(;W[kq]WL[455.0]TR[eq][jo]C[This fails to secure the lower side, the gap is too big.
With this move you get a squeeze, but it does not gain much.]
(;B[qe]BL[129.0];W[qf]WL[395.0];B[re]BL[115.0]
(;W[io]WL[386.0]
(;B[ni]BL[95.0]BM[1]
(;W[ng]WL[369.0];B[lh]BL[82.0]
(;W[km]WL[360.0]
(;B[hn]BL[51.0];W[jl]WL[352.0]C[
 ej 4k*: is entering byo-yomi
];B[oj]BL[546.0]
(;W[mh]WL[323.0];B[kk]BL[494.0]C[no need to connect.]
(;W[kl]WL[283.0];B[li]BL[486.0];W[lg]WL[252.0];B[ho]BL[469.0]
(;W[hp]WL[208.0]C[Works well here.];B[gp]BL[464.0];W[gq]WL[203.0];B[hq]BL[453.0];W[ip]WL[198.0];B[kg]BL[427.0];W[kf]WL[182.0];B[lf]BL[419.0];W[mg]WL[180.0];B[jg]BL[361.0]
;W[mi]WL[140.0];B[mj]BL[353.0];W[hl]WL[133.0]C[Huge.];B[pi]BL[305.0];W[qi]WL[127.0];B[rg]BL[299.0];W[rf]WL[116.0];B[sf]BL[293.0]
(;W[qg]WL[109.0]C[bad shape];B[rh]BL[287.0];W[ri]WL[108.0]
(;B[oh]BL[271.0]
(;W[qh]WL[104.0]BM[1]C[misses a chance.];B[sg]BL[241.0]C[now only one eye gote on the edge.];W[rk]WL[85.0];B[rl]BL[233.0];W[og]WL[56.0]
(;B[ne]BL[105.0]C[
 osman 3k*: has entering byo-yomi again
];W[oe]WL[585.0];B[nf]BL[92.0];W[of]WL[551.0];B[sj]BL[82.0];W[od]WL[500.0]C[Now B has all kinds of cutting points. It seems unreasonable to try to catch W.];B[pc]BL[66.0];W[kd]WL[418.0]
(;B[ke]BL[35.0];W[ld]WL[413.0]
(;B[nb]BL[28.0]
(;W[nd]WL[389.0];B[gl]BL[20.0];W[gk]WL[366.0]C[
 ej 4k*: has entering byo-yomi again
];B[gm]BL[583.0];W[fk]WL[356.0]
(;B[fq]BL[538.0]C[B gains nothing here.];W[gr]WL[341.0];B[ep]BL[485.0];W[fr]WL[335.0];B[fp]BL[481.0]
(;W[dq]WL[326.0];B[ik]BL[467.0];W[il]WL[281.0];B[hk]BL[462.0];W[jk]WL[279.0]
(;B[kj]BL[395.0]BM[2]C[simple blunder.];W[ij]WL[266.0];B[dm]BL[381.0];W[do]WL[256.0];B[en]BL[369.0]
(;W[cn]WL[224.0];B[el]BL[353.0]C[B knows it, it seems!];W[je]WL[185.0];B[jf]BL[310.0];W[me]WL[179.0];B[dk]BL[269.0];W[mk]WL[153.0];B[nk]BL[252.0]
(;W[cm]WL[132.0]BM[2]C[No! must answer the contact play. This is the losing move.];B[ej]BL[241.0];W[hj]WL[92.0];B[ei]BL[192.0]C[A major loss for W here. The side area is gone, and even W center is weak.]
(;W[rn]WL[59.0]C[This attack is too optimistic.]
(;B[ie]BL[163.0]C[In this shape you must play for Ko.]
(;W[jd]WL[52.0]BM[1];B[hf]BL[149.0];W[ji]WL[26.0];B[kh]BL[107.0]C[
 osman 3k*: has entering byo-yomi again
];W[gh]WL[583.0];B[gg]BL[84.0]
(;W[id]WL[570.0]BM[1]C[Must play through here.];B[fh]BL[68.0];W[hh]WL[523.0];B[if]BL[57.0]
(;W[cj]WL[510.0];B[gi]BL[40.0]C[dead. Game over.];W[ek]WL[426.0];B[ck]BL[34.0];W[bk]WL[423.0];B[fl]BL[10.0];W[bl]WL[411.0]C[
 ej 4k*: has entering byo-yomi again
];B[dl]BL[592.0];W[rq]WL[351.0];B[ro]BL[565.0]
;W[qr]WL[332.0];B[pr]BL[546.0];W[qq]WL[289.0];B[pp]BL[525.0];W[oq]WL[229.0];B[or]BL[502.0];W[lr]WL[195.0];B[sn]BL[479.0];W[mr]WL[175.0];B[nr]BL[472.0]
;W[sm]WL[143.0];B[so]BL[465.0];W[rm]WL[138.0];B[sr]BL[454.0];W[sq]WL[118.0];B[qs]BL[439.0];W[rs]WL[113.0];B[ps]BL[431.0];W[ns]WL[112.0];B[np]BL[416.0]
;W[oo]WL[106.0];B[rp]BL[394.0];W[hi]WL[85.0];B[ih]BL[379.0];W[dh]WL[70.0];B[eg]BL[360.0];W[be]WL[55.0];B[bd]BL[354.0];W[dg]WL[42.0];B[hd]BL[337.0]
;W[ib]WL[34.0];B[hb]BL[322.0]C[
 osman 3k*: has entering byo-yomi again
];W[ha]WL[597.0];B[ga]BL[318.0];W[ia]WL[596.0];B[gb]BL[309.0];W[ad]WL[594.0];B[ac]BL[302.0];W[ae]WL[592.0];B[bb]BL[288.0]
;W[fn]WL[554.0];B[fm]BL[235.0];W[ef]WL[550.0];B[ff]BL[231.0];W[ee]WL[548.0]C[
 ej 4k*: has entering byo-yomi again
];B[fe]BL[592.0];W[ed]WL[544.0];B[ec]BL[570.0];W[lb]WL[519.0];B[mb]BL[565.0]
;W[mc]WL[514.0];B[la]BL[554.0];W[sl]WL[498.0];B[ce]BL[516.0];W[kb]WL[488.0];B[bf]BL[504.0];W[bg]WL[485.0];B[af]BL[496.0];W[lq]WL[457.0];B[sp]BL[480.0]
;W[rr]WL[446.0];B[ag]BL[468.0];W[rc]WL[428.0];B[qb]BL[455.0];W[rb]WL[422.0];B[pa]BL[439.0];W[bh]WL[390.0];B[ah]BL[433.0];W[ai]WL[388.0];B[bi]BL[428.0]
;W[aj]WL[385.0];B[df]BL[424.0];W[di]WL[371.0];B[cg]BL[363.0]C[
 osman 3k*: good idea
];W[eh]WL[250.0];B[fg]BL[341.0];W[ch]WL[242.0];B[pk]BL[311.0];W[cf]WL[229.0];B[de]BL[306.0]C[
 osman 3k*: has entering byo-yomi again
]
;W[nm]WL[587.0];B[ml]BL[294.0];W[dn]WL[581.0];B[eo]BL[259.0];W[cl]WL[572.0];B[go]BL[242.0];W[kp]WL[560.0];B[mp]BL[227.0];W[pj]WL[533.0];B[oi]BL[215.0]
;W[pm]WL[516.0];B[ol]BL[208.0];W[si]WL[514.0]C[
 ej 4k*: has entering byo-yomi again
];B[lk]BL[575.0];W[qd]WL[490.0];B[rd]BL[559.0];W[qc]WL[487.0];B[pe]BL[546.0];W[ka]WL[443.0];B[oc]BL[534.0]
;W[ma]WL[437.0];B[na]BL[531.0];)
(;W[ih]C[painful, but..];B[cj]C[B wins this way, too]))
(;W[fh]C[must.]))
(;W[id];B[jd];W[ji]C[This should work as a threat.]))
(;B[gi]C[I bet you would not like this..]))
(;W[ji]C[or attack here.]))
(;W[cj]TB[aa][ba][ca][da][ea][fa][ga][gb][fb][eb][db][cb][bb][ab][ac][bc][cc][dc][oa][pa][qa][ra][sa][sb][sc][rc][qc][qd][rd][rb][qb][pb][sd][ns][os][ps][qs][rs][ss][sr][qr][rr][sq][rq][qq][pr][nr][rp][sp][go][gn][fn]TC[-3]TW[as][bs][cs][ds][es][fs][gs][hs][ir][jr][is][js][jq][iq][hq][hr][er][eq][dq][cr][br][dr][ar][aq][ap][bp][bo][ao][co][bq][cq][ne][nf][pg][hk][ik][ag][ah][ai][bi][bh][bg][cg][ch][ci][di][kc][lc][hj][gj][fj][ei]C[This way, the game is quite good for W. The B center group can still be attacked.]))
(;W[el]C[A vital point];W[fn]C[The aim.];B[fm];W[em];B[dn];W[eo];B[fo];W[gn]C[B eyeless here.]))
(;B[ii]C[W probably dies]))
(;W[dp]C[even better for w.]))
(;B[hk]C[cut.]))
(;W[jf]C[looks possible.])
(;W[je];B[jf];W[nd]C[A safe way.]))
(;B[je]C[shape.]))
(;B[mc]C[If here,];W[jf];B[nb];W[kh]C[B is in dire straits.]))
(;B[oe]C[looks more like the vital point.];W[of];B[sj];W[pe];B[qc];W[ne];B[od]C[W might die]))
(;W[sg]C[throw in first];B[sh];W[qh];B[se];W[si];B[sg];W[rl];B[rk];W[sk];B[rm]
;W[sl];B[rn];W[qk]C[Alive.];B[rj];W[og]))
(;B[rk]))
(;W[rh];B[qg];W[pg];B[rk];W[qh];B[sg];W[sh];B[se];W[ne]C[W seems likely to survive]))
(;W[hq]C[Sometimes, this is better, but not here.]))
(;W[hl]))
(;W[hl]))
(;B[jl];W[kl];B[jk]C[W is probably dead]))
(;W[hn]GW[1]C[Just here, very good for W.]))
(;W[hn]C[This is huge, I would be very tempted to play here. Not sure if the group to the right lives, though.]))
(;B[hn]C[must]))
(;W[hp]C[once more..]))
(;W[oq];B[or];W[pr];B[qr];W[nr];B[ps];W[mr];B[lr];W[lq];B[ns]
;W[kr];B[ms]))
(;W[hp]C[Still here]))
(;B[mr]))
(;W[hp]C[Connects and makes territory]))
(;W[km]C[It seems the W group has stronger shape, so he could fight back.]))
(;B[km]TR[ll]C[normal. W is running on neutral points, the marked stone withers away, B becomes strong and effortlessly reduces W moyo on the left. What more could he ask for?]))
(;W[ln]))
(;W[ef]C[Still a good point.])
(;W[pn]C[On this side, the connection is probably right, but it looks a bit overconcentrated.])
(;W[mh]C[Or here, to build the moyo]))
(;W[ef];B[fd];W[jp]GW[1]C[W has a nice framework.]))
(;W[nb];B[oc];W[nd];B[pf];W[kc]C[A tesuji for making solid shape. Hane on top and below are miai now.]))
(;B[le]))
(;W[ne];B[pf];W[kd];B[oc];W[nb];B[qj]C[A standard sequence, but the extension here is ideal for B.])
(;W[lb]C[The defensive answer. I'd probably play this.];B[qf];W[ld];B[oc];W[nd];B[nb];W[mb];B[pj]C[One possibility.]))
(;W[pg])
(;W[qf]))
(;W[pn]C[Standard];B[nq];W[qj]))