(;AW[pd]AW[qe]AW[oe]AW[qf]AW[nf]AB[mf]AB[ne]AB[nd]AB[oc]AB[pc]AB[qc]AB[qd]AB[re]AW[rh]AW[si]AW[qi]AB[ri]AB[rj]AB[qj]AW[pi]AW[oj]AW[nj]AW[mi]AB[mj]AB[lj]AB[kj]AB[jj]AB[ji]AB[ii]AW[me]AW[kd]AW[kc]AW[jd]AW[id]AW[hd]AW[lf]LB[lf:1]C[how to respond to white 1?]AP[goproblems]
(;B[mg];W[lg]LB[ng:A]LB[of:B]C[A or B now?FORCE]
(;B[ng];W[of]
(;B[lh];W[mh]
(;B[le];W[md]
(;B[kf];W[kg]
(;B[jg];W[kh]
(;B[ki];W[li]
(;B[jh];W[lh]
(;B[ni]C[RIGHT])
(;B[nh];W[ni]))
(;B[mc];W[ld])
(;B[ld]C[NOTTHIS])
(;B[ni];W[nh];B[og];W[oh])
(;B[nh];W[ni]))
(;B[li];W[og])
(;B[jh];W[li]
(;B[ki];W[lh]
(;B[ni]C[RIGHT])
(;B[nh];W[ni]))
(;B[nh];W[ni])
(;B[ni];W[nh])
(;B[mc];W[ld])
(;B[ld]C[NOTTHIS]))
(;B[ni];W[nh];B[og];W[oh])
(;B[nh];W[ni])
(;B[mc];W[ld])
(;B[ld]C[NOTTHIS]))
(;B[kh];W[jg])
(;B[ni];W[nh])
(;B[mc];W[ld])
(;B[ld]C[NOTTHIS])
(;B[nh];W[ni];B[jg];W[kh])
(;B[li];W[og]))
(;B[ld];W[mc]C[this exchange just helps white on top, even though the tesuji still works])
(;B[mc];W[ld])
(;B[kg];W[kf])
(;B[ni];W[nh];B[og];W[oh];B[pg];W[ke])
(;B[nh];W[ni];B[kf];W[kg];B[jg];W[kh])
(;B[kh];W[og]))
(;B[md];W[le])
(;B[kg];W[le])
(;B[nh];W[ni])
(;B[ni];W[nh])
(;B[li];W[og]))
(;B[mh];W[lh])
(;B[ni];W[mh])
(;B[li];W[mh])
(;B[le]C[NOTTHIS])
(;B[md];W[le])
(;B[og];W[mh]))
(;B[of];W[ng]
(;B[mh];W[lh];B[nh];W[og];B[oh];W[pg];B[li];W[ni];B[le];W[md])
(;B[og];W[mh])))
(;B[lg];W[mg])
(;B[of];W[mg])
(;B[md];W[mg])
(;B[le];W[mg])
(;B[ng];W[mg])
(;B[od];W[mg])
(;B[rf];W[mg]))