(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Japanese]SZ[19]KM[0.00] PW[White]PB[Black] ;B[pd] ;W[dc] ;B[pp] ;W[dp] ;B[de] ;W[ce] ;B[cf] ;W[cd] ;B[fq] ;W[cn] ;B[dg] ;W[fc] ;B[ck] ;W[iq] ;B[mq] ;W[dq] ;B[go] ;W[io] ;B[gm] ;W[im] ;B[gk] ;W[ik] ;B[pj] (;W[fn] ;B[gn] ;W[fl] ;B[il]C[This is the move that black makes to initiate the attack.] (;W[hl]C[White blocking this way would be complying to black's wishes] ;B[gl] ;W[jl]C[If white captures, ] ;B[qo]C[Then black gets the corner and white's thickness in the center isnt really good for anything. This is excellent for black.]) (;W[gl]C[If white pushes through] ;B[hl] ;W[hm] ;B[fm] ;W[el] ;B[em] ;W[dl] ;B[jl] (;W[kq]C[and if white chooses to protect the bottom] ;B[dm] ;W[cl] ;B[cm] ;W[bm] ;B[bn]C[white is left in tatters in the bottom left. This is still a reasonable position since white can now aim to launch an attack at the black stones in the top left. E14 or C12 are some starting points.]) (;W[dm] ;B[ip] ;W[hp] ;B[in]C[black can easily escape this way])) (;W[jl] ;B[hl] ;W[jk] ;B[dm]C[This is a move that i would have missed in real game. ] ;W[cm] ;B[dl] ;W[gi] ;B[er] ;W[dr] ;B[dn] ;W[do] ;B[jp] (;W[ip] ;B[jm]C[This cut screws white.]) (;W[ko] ;B[ip] ;W[kp] ;B[jq] ;W[kq] (;B[kr] ;W[nc]C[This was the real game progression. Now black has the surefire territory in the bottom. ]) (;B[jr]C[However, this sequence is better] ;W[nc] ;B[pf] ;W[kd] ;B[km]C[black can launch one more attack here.] ;W[jm] ;B[mo])))) (;W[fl]C[Peeping here was the correct sequence for white.] ;B[gl] ;W[fn] ;B[fm] ;W[gn] ;B[hn] ;W[fo] (;B[hm] ;W[ho] ;B[in] ;W[jn] ;B[jm] ;W[kn] ;B[il]C[Even if black gets this ponnuki, the sheet amount of territory white ends with is immense.]) (;B[ho]C[black cannot block this way. See if you can read out the sequence!] ;W[hm] ;B[in] ;W[jn] ;B[jo] ;W[gp] ;B[ip] ;W[hp] ;B[io] ;W[ko] ;B[jp] ;W[kp] ;B[jq] ;W[jr] ;B[kq] ;W[lq] ;B[kr] ;W[lr])))