(;FF[4]GM[1]SZ[13]AP[SGFC:1.13b]

GN[clampmike vs chtlensa]
PB[chtlensa]
PW[clampmike]
DT[2003-01-20]

;B[jd];W[dj];B[fk];W[dc];B[jk];W[gc];B[ej];W[di];B[dk]
(;W[ei]LB[ck:a]C[w10 gave up the corner, which is always considered valuable.
I would suggest w10 to be at 'a'.
See var2.];B[cj];W[fj]LB[gj:a][fi:b]C[I think w12 was not good enough.
If black played at 'a' or 'b', it would be an exciting fight.]
;B[ek];W[gj];B[hj];W[gi]LB[hi:a][ci:b]C[w16 was a little bit slow, and the whites were crowded together.
Maybe 'a' is a good choice.
Besides, 'b' is also an important point for both players.];B[gk]
;W[ci]C[w18 got the point.];B[bj];W[bi]LB[ki:a][kf:b][hi:c]
C[w20 was slow again.
There were some other places valuable to occupy, such as 'a', 'b' or 'c'.]
;B[ai];W[ah];B[aj];W[bg];B[cl];W[hi];B[ij];W[ii];B[ji];W[jh]
;B[ki];W[kh];B[ke]C[b33 was strange......];W[jf];B[kf];W[kg]
;B[lg];W[lh];B[mf];W[mh]LB[li:a]C['a' is better than w40.];B[mg]
;W[li];B[lj]
(;W[mj]LB[kj:a]C['a' is better than w44.];B[lk];W[mk];B[ml]
;W[mi];B[ll];W[je];B[ld]LB[id:a][ih:b]C[I would suggest 'a' than b51.
Next, 'b' is a weak point of white.];W[id];B[jc];W[ic];B[ie]
;W[if];B[ih]C[Too late for the black......];W[jg];B[hg];W[he]
;B[hf];W[ie];B[fh];W[fi];B[ff];W[ge];B[gf];W[hh];B[ig];W[gh]
;B[eg];W[ee];B[dg];W[df];B[cf];W[ce];B[ef];W[de];B[ch];W[bh]
;B[bf];W[af];B[be];W[bd];B[cg];W[ae];B[fe];W[fd];B[hc];W[hb]
;B[fc];W[ec];B[fb];W[gb];B[ib];W[fa];B[ia];W[ha];B[kb];W[eb]
;B[cc];W[bc];B[dd];W[ed];B[cb];W[cd];B[bb];W[ab];B[gg];W[eh]
C[Both black and white made mistakes.
But the white made fewer mistakes, so the white won.])
(;W[kj];B[jj];W[kk];B[lk];W[kl];B[ll];W[jl];B[il];W[hk];B[ik]
;W[hl]C[This is one of the variations.
Generally speaking, white will be faster in this fight.]))
(;W[ck]LB[dl:a][ei:b]C[After w10, you'll get at least one of the important points, 'a' or 'b'.]
))
