Yamada Takuji (White) vs. Yamada Kimio
White resigned after black played the cut at 1.
Let's try and figure out what would've happened if he tried to resist with 2...
(Please focus on the center stones)
Suggestions and other comments are welcome.
(;AB[ab]AB[bc]AB[bd]AB[be]AB[af]AB[ah]AB[bh]AB[ch]AB[dh]AB[dg]AB[df]AB[fg]AB[ff]AB[fe]AB[ge]AB[he]AB[hf]AB[hg]AB[id]AB[hc]AB[jd]AB[ke]AB[kc]AB[ld]AB[lb]AB[mc]AB[nc]AB[oc]AB[nd]AB[ne]AB[oe]AB[nf]AB[pd]AB[qd]AB[rd]AB[sd]AB[se]AB[og]AB[oh]AB[ni]AB[mi]AB[li]AB[lh]AB[kh]AB[jh]AB[ih]AB[kj]AB[lk]AB[mk]AB[oj]AB[pj]AB[qk]AB[rk]AB[sl]AB[ql]AB[qm]AB[qn]AB[qo]AB[qp]AB[pq]AB[oq]AB[nq]AB[or]AB[ps]AB[mp]AB[lp]AB[no]AB[nm]AB[nl]AB[jm]AB[im]AB[hm]AB[gm]AB[fm]AB[hl]AB[hk]AB[hj]AB[hi]AB[fj]AB[fl]AB[el]AB[fn]AB[en]AB[eo]AB[do]AB[dp]AB[cn]AB[bn]AB[cq]AB[bp]AB[br]AB[dr]AB[er]AB[cs]AB[jo]AB[io]AB[dj]AW[jb]AW[jc]AW[ic]AW[hb]AW[gb]AW[gc]AW[ec]AW[dd]AW[de]AW[ce]AW[cf]AW[bf]AW[cg]AW[cc]AW[cb]AW[bb]AW[gf]AW[gg]AW[gh]AW[fh]AW[hh]AW[ei]AW[di]AW[ej]AW[ek]AW[fk]AW[ci]AW[bi]AW[bk]AW[dl]AW[dm]AW[em]AW[cm]AW[bm]AW[gn]AW[hn]AW[go]AW[fo]AW[ep]AW[eq]AW[dq]AW[fq]AW[fr]AW[es]AB[fp]AW[hp]AW[ip]AW[jp]AW[kp]AW[ko]AW[ln]AW[mn]AW[nn]AW[lm]AW[kl]AW[kk]AW[il]AW[ik]AW[ij]AW[ii]AW[lj]AW[nk]AW[ok]AW[ol]AW[pm]AW[pn]AW[po]AW[sj]AW[sk]AW[rj]AW[qi]AW[pi]AW[oi]AW[of]AW[pg]AW[pe]AW[qe]AW[re]AW[sf]AW[rg]AW[ng]AW[mg]AW[mh]AW[mf]AW[lg]AW[kg]AW[jg]AW[ig]AW[os]AW[ns]AW[ms]AW[nr]AW[mq]AW[lq]AW[lr]AW[nh]LB[og:1]LB[nh:2]LB[pf:A]C[Please play at A]AP[goproblems];B[pf]C[CHOICE]
(;W[nj]C[Now try to explain why did White resign...]
(;B[mj];W[ji]
(;B[om];W[pl]
(;B[on];W[oo]
(;B[ml];W[ll]
(;B[op]C[RIGHT])
(;B[pp]C[RIGHT])
(;B[pk]C[RIGHT])
(;B[ki];W[mm];B[op];W[jj]C[Making an eye was a very bad idea...Think again])
(;B[jk]C[NOTTHIS]))
(;B[jl]C[NOTTHIS])
(;B[jk]C[NOTTHIS]))
(;B[ml];W[on]
(;B[me];W[ki]
(;B[kf];W[ll];B[jf];W[mm];B[if];W[lj])
(;B[if];W[ll];B[kf];W[mm];B[jf];W[lj]))
(;B[kf];W[ki];B[me];W[ll];B[jf];W[mm];B[if];W[lj])
(;B[lf];W[ki];B[me];W[ll];B[kf];W[mm];B[jf];W[lj])
(;B[jf];W[ki];B[kf];W[ll];B[me];W[mm])
(;B[if];W[ll]
(;B[kf];W[ki];B[me];W[mm];B[jf];W[lj])
(;B[me];W[ki];B[kf];W[mm];B[jf];W[lj])))
(;B[jl]C[NOTTHISRIGHT])
(;B[jk]C[NOTTHIS]))
(;B[ml];W[om]C[4 liberties vs. 5 - White wins!])
(;B[jl]C[NOTTHISRIGHT])
(;B[jk]C[NOTTHISRIGHT]))
(;B[om];W[pl];B[mj];W[ji];B[on];W[oo];B[ml];W[ll]
(;B[op]C[RIGHT])
(;B[pp]C[RIGHT])
(;B[pk]C[RIGHT])
(;B[ki];W[mm];B[op];W[jj]C[Making an eye was a very bad idea...Think again])
(;B[jk]C[NOTTHIS])))
(;W[qf]C[NOTTHIS])
(;W[ph]C[NOTTHIS]))