(;AB[dq]AB[dp]AB[ep]AB[fp]AB[eq]AB[fn]AB[fo]AB[eo]AB[hq]AB[iq]AB[io]AB[im]AB[ck]AB[dd]AB[pd]AB[od]AB[oc]AB[nc]AB[mc]AB[re]AB[qe]AB[pf]AB[pg]AB[rg]AB[lp]AB[np]AB[mn]AB[le]AB[kd]AW[fm]AW[gm]AW[gn]AW[go]AW[gp]AW[gq]AW[fq]AW[jq]AW[kp]AW[ko]AW[dn]AW[do]AW[en]AW[oo]AW[qp]AW[pc]AW[qc]AW[qd]AW[rd]AW[rf]AW[qf]AW[pe]AW[oe]AW[of]AW[nf]AW[nd]AW[me]AW[kc]AW[ic]C[Please play at the cut to start the problem]MA[em]AB[oh]AW[og]AP[goproblems];B[em] (;W[dm]C[white struggles to get out];B[el];W[dl]C[Is the ladder favourable for black?] (;B[dk]C[...];W[ek];B[fl];W[fk];B[gl];W[hl];B[gk];W[gj];B[hk];W[ik];B[hj];W[il]C[Should black cut or is it time to move out the top right stones? Are there better moves out there?] (;B[hm]C[] (;W[in]C[] (;B[hn] (;W[ho]C[black shouldn't play this move... it doesn't give a favourable result if white plays correctly. In the real game, white miss the correct sequence until its too late...];B[jn] (;W[jm];B[in];W[ip] (;B[kn];W[hi];B[ij];W[jj];B[ii];W[ih];B[ji];W[ki];B[jh];W[jg];B[kh];W[lh];B[kg];W[kf];B[lg];W[lf];B[mg];W[ld];B[hp];W[hr];B[ir];W[is];B[jr];W[kr];B[jp]C[the actual game ends like this... but with plenty of mistakes from both sides. Please navigate through other variationRIGHT]) (;B[hp];W[kn];B[jp];W[jo])) (;W[ip] (;B[hp];W[jm];B[in];W[kn];B[jp];W[jo]) (;B[jl]C[black get sente...RIGHT]))) (;W[ip]C[];B[hp];W[ho] (;B[jn];W[jm];B[in];W[kn];B[jp];W[jo]) (;B[jm]C[];W[jn];B[kn];W[jo];B[ln]C[salvage what's left...RIGHT]))) (;B[jm]C[] (;W[jn];B[hn];W[ho];B[kn];W[jo]C[destroy the net...];B[ip] (;W[lo]C[CHOICE] (;B[gr]C[];W[fr]C[white lose the capturing race...RIGHT]) (;B[hr]C[white lose the capturing race...RIGHT]) (;B[ir];W[gr]C[unnecessary complication]) (;B[hs]C[white lose the capturing race...RIGHT]) (;B[fr];W[hr];B[ir];W[gr]C[unnecessary complication])) (;W[hr]C[CHOICE] (;B[ir];W[gr];B[kq]C[];W[er]C[But if white turn back to black's corner, how should black handle? From the way I see, black will die, either in ko or lack of space, if he wants everything...] (;B[dr];W[fs];B[hs];W[cp];B[bq];W[cq];B[cr];W[bp];B[br]) (;B[co] (;W[cp];B[cq];W[bp];B[cn]C[RIGHT]) (;W[cn];B[bo];W[bn];B[bq]C[white still got 2 unsettled group to handle with...RIGHT]))) (;B[jr])) (;W[km]C[ops... thinking only on the net but miss the ladder. LOL... thx blyx!];B[jl];W[ij];B[hi];W[kl];B[jk]C[thx to the 'P13 P12 exchange', the ladder is now broken...haha])) (;W[hn];B[jn];W[ip] (;B[hp];W[jo];B[jp];W[ho];B[ip];W[ir];B[lc]) (;B[jo];W[hp];B[jp];W[kq];B[fr];W[gr];B[fs];W[cp] (;B[hs];W[cq] (;B[cr];W[er];B[dr];W[ir]) (;B[dr];W[cr];B[ds];W[hr];B[ir];W[jr];B[is])) (;B[cq] (;W[bp];B[hs]) (;W[gs];B[dr];W[ir]C[black get sente... but the next move is difficult to decide... any suggestion?RIGHT]))))) (;B[jn];W[jm];B[hn];W[ho];B[in]LB[kn:x]C[white cant play here. He'll lose the semeai];W[ip];B[kn]C[black get senteRIGHT];W[hi];B[ij];W[jj];B[ii];W[ih];B[ji];W[ki];B[jh];W[jg];B[kh];W[lh];B[kg];W[kf];B[lg];W[lf];B[mg];W[ld];B[hp];W[hr];B[ir];W[is];B[jr];W[kr];B[jp]C[the actual game ends like this... but with plenty of mistakes from both sides. Please navigate through other variationRIGHT])) (;W[jm];B[ho])) (;B[km]C[];W[hm]C[Complicated fight... is there any clear-cut tesuji to get ahead?]) (;B[jm];W[hm]C[Complicated fight... is there any clear-cut tesuji to get ahead?])) (;B[ek]C[];W[dk]C[... try playing it out])) (;W[el];B[dm];W[dl];B[cm];W[cl] (;B[cn] (;W[bm];B[bn]C[alternative way for white's play? looks not bad to me... any suggestion?];W[fk];B[bl];W[bk];B[am];W[cj]C[Compare this end result with black B7 variation.]) (;W[co];B[bo];W[bm];B[bn])) (;B[bl];W[bm];B[cn];W[bk];B[fl];W[gl];B[fk];W[gk];B[ek];W[al];B[dk];W[bl];B[co]C[A reply to LCZLAPINSKI]) (;B[bm];W[bl];B[co];W[fk]C[White shape look pretty thick and settled.A reply to LCZLAPINSKI]) (;B[bn];W[bm];B[cn]C[If black plays B6, the variation will end up same as the variation if he play C6];W[fk];B[bl];W[bk];B[am];W[cj]C[Compare this end result with black B7 variation.])))