(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[19]KM[6.50]
PW[Ma Ding Rui]PB[Walther]
;B[pd]CR[pd]
;W[cp]CR[cp]
;B[pp]CR[pp]
;W[dc]CR[dc]
;B[ep]CR[ep]
;W[gq]CR[gq]
;B[cq]CR[cq]
;W[dq]CR[dq]
;B[dp]CR[dp]
;W[eq]CR[eq]
;B[fq]CR[fq]
;W[fp]CR[fp]
;B[fr]CR[fr]
;W[cr]CR[cr]
;B[bq]CR[bq]
;W[er]CR[er]
;B[gr]CR[gr]
;W[co]CR[co]
;B[dn]CR[dn]
;W[br]CR[br]
;B[hq]CR[hq]
;W[fo]CR[fo]C[Not joseki.]
;B[en]CR[en]C[Should fill liberty at d5]
;W[ho]CR[ho]
;B[cn]CR[cn]C[Can't allow j3, should play on bottom side]
;W[iq]CR[iq]
;B[ir]CR[ir]
;W[jq]CR[jq]C[big mistake, white must atari first. Black lives in sente]
;B[hp]CR[hp]
;W[io]CR[io]
;B[gp]CR[gp]
;W[go]CR[go]
;B[ci]CR[ci]
;W[cf]CR[cf]
;B[jc]CR[jc]
;W[ck]CR[ck]
;B[dj]CR[dj]
;W[dk]CR[dk]
;B[ek]CR[ek]
;W[el]CR[el]
;B[bn]CR[bn]
;W[bp]CR[bp]
;B[fl]CR[fl]
;W[fk]CR[fk]
;B[ej]CR[ej]
;W[fm]CR[fm]
;B[dl]CR[dl]
;W[gl]CR[gl]
;B[cl]CR[cl]C[This is too slow. White is captured anyways, so should play on right side. Maybe r6.]
;W[qf]CR[qf]
;B[nd]CR[nd]
;W[rd]CR[rd]
;B[qh]CR[qh]
;W[qc]CR[qc]
;B[qe]CR[qe]
;W[pe]CR[pe]
;B[qd]CR[qd]C[Not joseki. Should trade q14 first (if atari afterwards, white won't p15)]
;W[re]CR[re]
;B[pc]CR[pc]
;W[qb]CR[qb]
;B[pb]CR[pb]
;W[pf]CR[pf]C[big loss for black in this corner]
;B[rg]CR[rg]
;W[rf]CR[rf]
;B[qk]CR[qk]
;W[qn]CR[qn]C[Ma Ding Rui's unique thinking]
;B[nq]CR[nq]
;W[qp]CR[qp]
;B[qq]CR[qq]
;W[rq]CR[rq]
;B[qo]CR[qo]
;W[rp]CR[rp]
;B[po]CR[po]
;W[ro]CR[ro]
;B[qr]CR[qr]
;W[pn]CR[pn]
;B[rm]CR[rm]
;W[rn]CR[rn]
;B[gc]CR[gc]C[o5 also possible]
;W[lc]CR[lc]
;B[kd]CR[kd]
;W[md]CR[md]C[bad for white. upper right corner not alive yet.]
;B[me]CR[me]
;W[ne]CR[ne]
;B[nc]CR[nc]
;W[le]CR[le]
;B[mf]CR[mf]
;W[ld]CR[ld]
;B[oe]CR[oe]
;W[ph]CR[ph]
;B[nf]CR[nf]
;W[qi]CR[qi]
;B[kf]CR[kf]
;W[rh]CR[rh]
;B[ok]CR[ok]
;W[nh]CR[nh]C[useless move]
;B[mk]CR[mk]
;W[nn]CR[nn]
;B[kr]CR[kr]
;W[ln]CR[ln]
;B[kk]CR[kk]
;W[lh]CR[lh]
;B[jj]CR[jj]C[Here, can just m14?]
;W[lf]CR[lf]
;B[lg]CR[lg]
;W[ke]CR[ke]
;B[mg]CR[mg]
;W[jf]CR[jf]
;B[kg]CR[kg]
;W[jd]CR[jd]C[Crude. Should j16]
;B[kc]CR[kc]
;W[id]CR[id]
;B[ic]CR[ic]
;W[hd]CR[hd]
;B[hc]CR[hc]
;W[fe]CR[fe]
;B[ed]CR[ed]
;W[fd]CR[fd]
;B[ec]CR[ec]
;W[fc]CR[fc]
;B[fb]CR[fb]
;W[db]CR[db]
;B[eb]CR[eb]
;W[dd]CR[dd]
;B[ee]CR[ee]
;W[fg]CR[fg]
;B[gi]CR[gi]
;W[dg]CR[dg]
;B[ef]CR[ef]
;W[gh]CR[gh]
;B[eg]CR[eg]
;W[hi]CR[hi]
;B[gj]CR[gj]
;W[hj]CR[hj]
;B[hk]CR[hk]
;W[eh]CR[eh]
;B[hh]CR[hh]
;W[hg]CR[hg]
;B[lb]CR[lb]
;W[ih]CR[ih]
;B[mh]CR[mh]
;W[jr]CR[jr]
;B[js]CR[js]
;W[lr]CR[lr]C[Ma Ding Rui kills himself.]
;B[lq]CR[lq]
;W[kq]CR[kq]
;B[ks]CR[ks]
;W[mq]CR[mq]
;B[lp]CR[lp]
;W[mp]CR[mp]
;B[mr]CR[mr]
;W[nr]CR[nr]
;B[ls]CR[ls]
;W[oq]CR[oq]
;B[np]CR[np]
;W[op]CR[op]
;B[mo]CR[mo]
;W[oo]CR[oo]
;B[gk]CR[gk]
;W[mn]CR[mn]
;B[jn]CR[jn]
;W[jm]CR[jm]
;B[jo]CR[jo]
;W[jl]CR[jl]
;B[im]CR[im]C[B+ about 25 points. Further moves omitted])