Black thought the marked stones were dead and had planned to push white against them to build strength on the left...but then white played 1.
(;SZ[19]AW[kf]AW[lf]AW[ig]AW[jg]AW[kh]AW[lh]AW[ji]AW[mi]AW[ni]AW[nj]AW[oj]AW[fk]AW[jk]AW[kk]AW[ok]AW[kl]AW[ml]AW[lm]AW[nm]AW[jn]AW[kn]AW[ln]AW[on]AW[jo]AB[if]AB[jf]AB[mf]AB[nf]AB[kg]AB[lg]AB[mg]AB[mh]AB[nh]AB[oh]AB[fi]AB[li]AB[oi]AB[lj]AB[ik]AB[lk]AB[il]AB[jl]AB[ll]AB[jm]AB[km]AB[in]AB[io]AW[ij]LB[ij:1]AW[mk]TR[ll]TR[lk]TR[lj]TR[li]C[Rescue the marked black stones]AW[gg]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]PW[digikid]PB[me]
(;B[ki]
(;W[jh]
(;B[jj];W[kj]
(;B[jj]C[EasyRIGHT])
(;B[ii];W[mj]C[oops!])
(;B[hj];W[mj]C[oops!]))
(;B[mj];W[kj]C[hmm...been drinking?])
(;B[kj];W[jj]C[I hope the mouse slipped!])
(;B[hj];W[jj])
(;B[ii];W[jj]))
(;W[jj];B[jh]C[RIGHT];W[ih]C[This is a better response by white (but white plays dumb so a beginner sees the snapback)]))
(;B[kj];W[jj])
(;B[jj];W[kj]C[You can't atari]TR[ki]TR[mj])
(;B[hj];W[jj]C[You stuck to the plan, you were supposed to save the stones.]TR[lk]TR[ll]TR[lj]TR[li])
(;B[ii];W[jj];B[ki];W[jh])
(;B[mj]C[Feeling tired of life?])
(;B[hg];W[kj]
(;B[ki];W[mj])
(;B[ih];W[jh]
(;B[ii];W[mj];B[hj];W[ki])
(;B[hj];W[mj];B[ii];W[ki]))
(;B[hh];W[hj]
(;B[ih];W[jh])
(;B[jh];W[ih])))
(;B[ih];W[jh];B[jj];W[kj]TR[mj]TR[ki]C[not like that])
(;B[jh];W[ih])
(;B[hh];W[hg]))