(;AB[jj]AB[ji]AW[ki]AW[kj]AB[kk]AB[hi]AW[jh]AW[ih]AB[kh]AB[kg]AB[lg]AW[jf]AW[je]AB[jd]AB[jc]AW[lh]AW[lf]AB[md]AB[nd]AB[od]AW[jk]LB[lj:b]TR[jk]AW[pe]C[White just played the triangle stone. You have 2 choices : defend in ( a ) or go for an hypothetic ladder in ( b ). Does it really worth the risk ?]AW[hj]LB[ii:a]AW[qe]AP[goproblems]
(;B[lj]
(;W[li]C[CHOICE]
(;B[mi];W[mh]
(;B[nh];W[mg]
(;B[mf];W[ng]
(;B[og];W[nf]
(;B[of];W[me];B[ne];W[mf]
(;B[kf];W[le]
(;B[ke];W[ld]
(;B[lc];W[kd];B[kc]C[Yeah ! Now they call you ladder master.RIGHT])
(;B[kd];W[lc]C[I can't believe you let him escape !]))
(;B[ld];W[ke]C[Oooh, seriously ?]))
(;B[le];W[kf]C[Oooh, seriously ?]))
(;B[me];W[kf]C[Look at all these cutting points...])
(;B[ne];W[of]C[White has connected to a friend. Look at all these cutting points...]))
(;B[nf];W[og]C[White has escaped. Look at all these cutting points.]))
(;B[ng];W[mf]C[Look at all these cutting points...]))
(;B[mg];W[nh]C[White has escaped, black is going to have a hard time now...]))
(;B[mh];W[mi]
(;B[ni];W[mj]C[White has escaped, black is going to have a hard time now...])
(;B[mj];W[ni]C[White has escaped, black is going to have a hard time now...])))
(;W[ii];B[li];W[kf]C[Will probably end up like this if white read the ladder. Yet it is still a better result than just defend at J11.]))
(;B[ii]C[Do you really like this result ? It's time to take some reading and go for the ladder.]))