(;FF[4]GM[1]SZ[19]AP[SGFC:1.13b]

GN[wmlbrown-SvendE(B) IGS]
PB[SvendE]
BR[22k*]
PW[wmlbrown]
WR[22k*]
KM[5.5]
DT[2000-05-18]
PC[IGS:  igs.joyjoy.net 6969]
RE[W+3.5]
TM[60]
US[Brought to you by IGS]

;B[cd];W[pd];B[pp];W[dp];B[ec]C[This is standard, I don't know any better.]
;W[qn];B[np]
(;W[qq];B[qp];W[rp];B[pq];W[rq]C[Both of you make a strong position.]
;B[pn];W[ql];B[pm];W[qm]C[It is allways good to protect against a "peep" (Black 15 on Q7).]
;B[pj];W[pl];B[ol];W[qf];B[nd];W[oc];B[nc];W[qc];B[jd];W[gq]
;B[iq]
(;W[cm]C[With this move, white makes a so called "double wing" formation. But the edge is not secure. The 3-3 Point could still come to live.

I probably took the "big point" at C10.];B[ci]C[Good aproach. Extends blacks territory and reduces whites.
Each move should have too targets.];W[ip]C[White keeps pressure on the black lone stone.]
;B[jp];W[io];B[hq]
(;W[hp]TR[io][ip][hp]LB[gp:A]C[The proverb says: avoid the empty Trianlge (marked with triangles).
The empty triangle is called so, becuase H5 is empty.
But in this situation, I realy do not see a better response.
Whites move still leaves a cutting point at "A".
Probably G5 is a good move too for white.]
(;B[jo];W[im];B[jm];W[km]C[I think this invasion is too early.  Black can simply make a "wall", so white can not connect this stone to the white stones on the left side.
Black can play on L6 as she did, or do what I did: make the wall even longer with K8.
(see variant play)]
(;B[kn];W[in];B[eq];W[ep];B[cq];W[dq];B[dr];W[er];B[fr];W[fq]
;B[gr];W[cr];B[dn];W[cp];B[cn];W[dm];B[bo]C[I do not see, what was the intention of this move.  Even if black can reduce whites territory in the corner, black has no base (no eyes).
(see continuation: what happens, if white ignores this move.)]

(;W[bm]
(;B[en]TR[bo][cn][dn]C[I think black has no way to excape the wihte surroundings.
I would give the 3 marked stones up and play another place.
See variants.];W[em];B[fn]C[];W[fm];B[gm];W[gn];B[go];W[hn]
;B[jl];W[jn];B[ln]
(;W[il]C[White could also connect to the left.
See variant];B[jk];W[ok]
(;B[pk]C[White threatens to destroy blacks teritory with P9.
I would not have cut at Q9.  I would try to capter L7 and have some influence to the center.]
;W[nl];B[om];W[ll];B[oj];W[nk];B[mj];W[nj];B[ni]LB[mi:A][oi:B]
C[This move leaves 2 cutting points for white.];W[lj];B[mk]
;W[ml];B[li];W[lk];B[mi];W[jj]
(;B[kj]C[If black wants to save the three stones on the K-Line (K7-K9) she can escape to the left.
(See variant)];W[kk];B[ij];W[ki]
(;B[ii]C[This move puts some pressure on white, but the K Line is dead now, so this pressure is useless.
(See variant, how black could escape.)];W[ik]
(;B[fi]LB[ji:A]C[Black still has a strong move on K11 which white can not ignore.]
;W[kg]TR[ji];B[lg];W[lf];B[mf]TR[li][mi][ni]LB[kg:A][lf:B]C[This loose connection just holds because of the marked stones, but whites two stones (A and B) get weak.]
;W[if]C[This is risky, because black can now try to cut of whites stones.]

(;B[he]C[But black has other plans.];W[hf];B[gf];W[ie];B[hd]
;W[id];B[ic];W[gg]
(;B[ff];W[fg];B[eg];W[eh];B[ef]C[Black protects against cutting.]
;W[ei]TR[fh][hg]C[But white does not protect the cutting points.]
;B[fh];W[gh];B[gi]C[The sequence following up to move 123 seems complicated.
There are many variants and I expect me to give you give you hints here.
The results are good for both.];W[ih];B[ej];W[ch];B[dh];W[cj]
;B[bi];W[dj];B[di];W[bj];B[ek];W[ji]C[White protects th cuttin of (See explanation on Move 93).]
;B[kf];W[jf]
(;B[le]C[Black also could have played L15. See variant.
With L15 black has a stronger position against the left side.]
;W[ke];B[kd]
(;W[je]C[This is worth just 2 or 3 points. White has much better places.
See variants.];B[jg]LB[hh:A]
(;W[ig]TR[gh][gg][fg]C[There is a way, to protect the three marked stones.
See variant.];B[hh]
(;W[jh]C[right.];B[hg];W[hj];B[lm];W[kl];B[pb];W[qb];B[ob];W[of]
;B[od];W[pc]TR[qh][qi][qr][ai][dk][gl][qo][hi]C[This move is not very urgent.  I would have played on one of the marked points.]
;B[pg];W[pf];B[rk];W[qk];B[qj];W[qo];B[qr];W[nn]C[The bamboo-connection does not hold, if there are enemy stones on the side.
(See explanation)
I would prefer O7 as a reduction.]
(;B[nm]
(;W[mn]TR[kn][ln][lm][nm][om][ol][pm][pn]C[Ther is no way to connect the white stones.  Black will connect his two strings and get stronger.
There is a better way to invade: see variation.];B[mm];W[po]
;B[oo];W[rr];B[rl];W[pr];B[or];W[qs];B[sn];W[ro]
(;B[rg]C[See the variation for a more calm way to play.  I personally prefer the simple play.]
;W[qg];B[re];W[rf];B[sf];W[ph];B[og];W[rh];B[pe];W[qe];B[oe]
;W[rd];B[nf];W[oi];B[oh];W[pi];B[ri]
(;W[rm]TR[so]C[This gives not more possibilities to live for white.
But with White on R12 all the black Stones tet weak. (See variation)]
;B[qh]C[Classical "snap-back".];W[sg];B[qi];W[sl];B[sk];W[sm]
;B[aj]
(;W[bk];B[ak];W[al];B[ai];W[hi];B[gk];W[gl];B[fl];W[hl];B[dk]
;W[el];B[ck];W[bl];B[qa]C[This is a sligt overplay. Black wants too much.]
;W[ra];B[rb];W[pa]
(;B[oa]C[Black must connect. See variation.];W[nb];B[mb];W[na]
;B[ma];W[nr]C[Nice. Black must not cut...
(see variation)]
(;B[nq];W[os];B[mr];W[ns];B[ms];W[ps];B[mq];W[oq];B[op];W[or]

(;B[es]C[There is no way to save D2.];W[ds];B[hr];W[fs];B[gs]
;W[es];B[gj]
(;W[on]C[The white stones are lost.]
(;B[mo]LB[ko:A][jq:B]C[It is more important to save the defects at A and B.
(See variation)];W[ko];B[no];W[jq]TR[gs][gr][fr][hr][hq][iq]
MA[jp][jo]C[Black must decide if she wants to protect the left side marked with triangles or the upper side marked with rectangles.

I preffered to protect the lower side.

See variation.]
(;B[kp];W[ir];B[jr];W[hs];B[kq];W[iq];B[kr];W[js];B[ks];W[is]
;B[lf];W[kh];B[lh];W[se];B[si]
(;W[rg]C[White could save a point: see variation.];B[fk];W[tt]
;B[tt];W[tt]C[Some rule-sets finish the game after two passes.]
;TW[am][an][ao][ap][aq][ar][as][bn][bo][bp][bq][br][bs][cn]
[co][cq][cs][dn][do][dr][en][eo][eq][fn][fo][fp][fr][gm][go]
[gp][gr][gs][hm][ho][hq][hr][ii][ij][jg][jk][jl][jm][kj][oa]
[ob][pb][qa][qd][qr][rb][rc][re][rn][rs][sa][sb][sc][sd][sf]
[sn][so][sp][sq][sr][ss]TB[aa][ab][ac][ad][ae][af][ag][ah][ba]
[bb][bc][bd][be][bf][bg][bh][ca][cb][cc][ce][cf][cg][ch][da]
[db][dc][dd][de][df][dg][ea][eb][ed][ee][eh][ei][fa][fb][fc]
[fd][fe][fg][fj][ga][gb][gc][gd][ge][gg][gh][ha][hb][hc][ia]
[ib][ja][jb][jc][ka][kb][kc][ko][la][lb][lc][ld][lo][lp][lq]
[lr][ls][mc][md][me][mg][mh][mn][mp][ne][ng][nh][nn][oi][on]
[ph][pi][rj][sj]C[White has 105.5 Points (5.5 Komi, 25 prisoniers, 75 on the board)
Black has 102 Points (12 prisoniers, 90 on the board).

(No guaratie that I counted right).])
(;W[sh]))
(;B[jr];W[kq];B[kr];W[lr];B[ls];W[lq];B[lp];W[kp];B[lo]))
(;B[kq]C[I see now way for white to invade now.]
(;W[ko];B[lo])
(;W[lo];B[ko])))
(;W[jq]LB[ko:A][ir:B]C[This is a strong invasion point.
Black must fight to get the upper AND the left side.
Black can not protect against A and B.]))
(;B[hr];W[fs];B[gs];W[es]))
(;B[os]C[If black cuts, it get worse, because of the defect at P3.]
;W[oq];B[op];W[nq];B[mr];W[ns];B[mq];W[ps];B[ms]))
(;B[nb]))
(;W[ak];B[ai];W[bl];B[dk];W[ck]))
(;W[qh]TR[ri][qj][pj][oj][rk][rl][sn][qh][rg][sf][re]LB[qh:A]
C[Now it is difficult for black to make two eyes.];B[sj];W[si]
;B[sh];W[sg];B[qi];W[si]))
(;B[qg];W[rf];B[rg]))
(;W[mm]TR[nm][om][ol][pm][pn]C[N7 is much stronger. It threatens to kill the marked stones.]

(;B[po]C[Black must protect and white invades...];W[mn])
(;B[mn]C[Black must not cut...];W[po]TR[nm][om][ol][pm][pn]
C[... or black dies.])))
(;AW[el][fl][fn]AB[km]AE[ob][pb][qb][ec][ic][nc][oc][pc][qc]
[cd][hd][id][jd][kd][nd][od][pd][he][ie][je][ke][le][ef][ff]
[gf][hf][if][jf][kf][mf][of][pf][qf][eg][hg][ig][kg][lg][pg]
[ch][dh][fh][hh][ih][jh][bi][ci][di][fi][gi][ii][ji][ki][li]
[mi][ni][bj][cj][dj][ej][hj][ij][jj][lj][mj][nj][oj][pj][qj]
[ek][ik][kk][lk][mk][nk][ok][pk][qk][rk][il][kl][ll][ol][pl]
[ql][bm][cm][dm][em][fm][gm][im][qm][cn][dn][en][gn][hn][in]
[jn][kn][ln][pn][qn][bo][go][io][jo][qo][cp][dp][ep][hp][ip]
[jp][np][pp][qp][rp][cq][dq][fq][gq][hq][iq][pq][qq][rq][cr]
[dr][er][fr][gr][qr]C[The bamboo on the left can never be cut.
The bamboo on the right, can allways be cut.];B[nm];W[mm];B[mn]
))
(;W[hg];B[jh]))
(;W[hh];B[ig];W[hg];B[kh];W[jh];B[kg];W[kl]))
(;W[qh]C[This simple move gets white 4 points and remomves them from black. I think this move is worth about 10 points.]
)
(;W[lf]TR[me][mg]C[This move also protects L15 and even more: If white wins the Ko, he will have two cutting points.]
))
(;B[ke];W[mg]
(;B[le];W[lh];B[mh];W[lf];B[ng];W[lg];B[ne])
(;B[lh];W[le];B[ld];W[me];B[nf];W[ne];B[oe])))
(;B[fg]LB[gg:A]C[In this situation, black also could make the looser connection.
Because A also is weak.
The white cut at F14 just makes the Black walls stronger.];W[ff]
;B[ge]
(;W[fh];B[eg])
(;W[eg];B[fh])))
(;B[kf]TR[jf]
(;W[jg];B[kh];W[jh];B[ji];W[kj];B[lh]TR[lf][kg][jg][jh][if]
C[It is now difficult to make live for the 5 marked stones.]
)
(;W[kh];B[jg];W[ig];B[jh];W[jf];B[le]TR[jf][if][ig]C[Three white stones are cut of.]
)
(;W[jf];B[kh]
(;W[ke];B[jh]TR[kg][lf][ke][jf][if]C[5 white stones must run for life.]
)
(;W[jh];B[jg];W[ig];B[ji];W[kg];B[lh];W[le];B[ke];W[me];B[ih]
;W[jg];B[hg]TR[if][jf][ig][jg][kg][jh][lf][le][me]C[All the white marked stones are in danger. White probably can only keep one of the marked groups.]
))))
(;B[ji]
(;W[kl])
(;W[kh];B[kj]TR[lj][lk][kk][km][ll][ml][nl][nj][nk][ok])))
(;B[ik])
(;B[ji];W[kj];B[ik]LB[ii:A][jh:B][kh:C][hi:1][hh:2][gi:3][gj:4]
[fj:5][kg:D]C[White can escape with A, B, C or even D.
But black also has the opportunity to run to the left (Moves 1...5).]
;W[kg];B[kh];W[jh]))
(;B[ik]
(;W[ij];B[hk]MA[ij][jj][km][ll][lk][lj][ml][nl][nk][nj][ok]
C[Now, white gets weak also and must run like black does.])
(;W[hk];B[ij]MA[jj][lj][lk][ll][km][ml][nl][nk][nj][ok]C[Now, white gets weak also. No eyes, so white has to run also or to attack some black stones (like the string P10 - Q9).]
)))
(;B[ll]C[Black could capture the white stone with a "geta" (net).]

(;W[om];B[nl])
(;W[nl];B[om];W[nm];B[nn])))
(;W[gl]TR[bm][cm][dm][em][fm][gn][hn][in][jn][im][io][ip][hp]
C[With G8 all the white marked stones stay connected.
Also, there is more pressure on C11.];B[qj]C[If black ignores...]
;W[cg]TR[dg][dh]C[... white has a strong invading point at C13 or somewhere around there.]
))
(;B[ei])
(;B[qj])
(;B[jl]))
(;W[qi]C[If white ignores ...];B[bq];W[bp];B[ap];W[br];B[aq]
;W[ar];B[ao]))
(;B[jl];W[jn];B[kn];W[in];B[lm]C[White will loose the ladder bekause of the ladder-breakers on Q10 and P8.]
;W[kl];B[kk];W[ll];B[ml];W[lk];B[lj];W[mk];B[nk];W[mj];B[mi]
;W[nj];B[ni];W[oj];B[oi];W[ok];B[pk])
(;B[ck]C[If Black ignores L7...];W[jl];B[jn]LB[il:A][kl:B]C[White is left with 2 cutting points (A and B).]
))
(;B[gp]))
(;W[go]))
(;W[cj]
(;B[cl];W[cn]C[White can take black into a "pincer".];B[el]
C[Now black must run to the center to make live.])
(;B[dk];W[dj])
(;B[ch];W[kq];B[cl])))
(;W[on]C[I normally do something like this rather than invading at this early stage of the opening.
But white 8 on R3 also good: The go-proverb says: the 3-3 point is alive!]
))
