(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2] RU[Japanese]SZ[19]KM[0.00] PW[White]PB[Black]AW[nc][qf]AB[pd]LB[pf:A]C[This is the lead in sequence.. just play the marked moves]PL[B] ;B[pf]CR[pf] ;W[pg]LB[of:A]CR[pg] ;B[of]CR[of] ;W[qe]LB[qd:A]CR[qe] ;B[qd]CR[qd] ;W[ob]LB[ob:A]C[This is how the position begins with White playing at A. Now how to proceed..] (;B[nd]CR[nd] ;W[od]CR[od] ;B[oe]CR[oe] ;W[oc]CR[oc] ;B[pe]CR[pe] ;W[qi]CR[qi] ;B[md]CR[md] ;W[kc]LB[lf:A]CR[kc]C[After the exchange Black is left with an overly concentrated group of stones. Black has a large weakness at 'A', and the ownership of the corner is small and in doubt for Black.]) (;B[od]CR[od] (;W[qi]LB[jc:B][od:A]CR[qi]C[CHOICE The Black response at A is the correct move, and should obvious to stronger players. Now continue -- punish white's two lonely stones If looking for a pincer, play at B] ;B[jc]CR[jc] ;W[lc]CR[lc] ;B[pb]LB[pb:C][jc:B][qi:A]C[RIGHT After White A, Black will be able to squeeze the opposite White group with Black B and C. Other pincers are possible]) (;W[kc]LB[od:A][pi:B]CR[kc]C[CHOICE The Black response at 'A' is the correct move, and should be obvious to stronger players. Play 'B' to see if White can be harassed] ;B[pi]CR[pi] ;W[og]CR[og] ;B[ng]CR[ng] ;W[oh]LB[pk:A]CR[oh]C[Play A to settle the right side] ;B[pk]CR[pk] ;W[aa]LB[pb:A]CR[aa]C[White plays tenuki - Please play A to see if the corner can be saved] ;B[pb]CR[pb] ;W[qb]CR[qb] (;B[pa]CR[pa] ;W[qc]CR[qc] ;B[pc]CR[pc] ;W[rd]CR[rd]C[If Black chooses this exchange, White will be able to take the corner]) (;B[oc]CR[oc] ;W[nb]CR[nb] ;B[pa]CR[pa] ;W[qc]CR[qc] ;B[rb]LB[rb:A]C[RIGHT Black retains the corner with A]))))