Hane Naoki defeated challenger Yamashiro Hiroshi and kept his Okan title.
Okan title consists of only one game and is open only to the professional Japanese players from the Nagoya branch of Nihon Ki-in.
The game record is here. Hane Naoki (white) won by resignation.
(;
KM[6.5]
EV[50th Okan title match]
FF[3]
SZ[19]
GM[1]
PW[Hane Naoki]
WR[Okan]
DT[2009-11-26]
BR[9d]
RE[W+R]
PB[Yamashiro Hiroshi]
;B[pd];W[dd];B[cp];W[pp];B[ep];W[cj];B[qn];W[nq];B[pk];W[nc];B[qf]
;W[pb];B[fc];W[df];B[lc];W[qc];B[oc];W[ob];B[nd];W[md];B[mc];W[nb]
;B[jd];W[ne];B[od];W[cm];B[iq];W[oi];B[qi];W[kq];B[mp];W[mq];B[kp]
;W[qo];B[pn];W[rn];B[rm];W[lh];B[cc];W[dc];B[db];W[eb];B[cb];W[ec]
;B[be];W[bf];B[ce];W[cf];B[cd];W[de];B[me];W[mf];B[ld];W[gq];B[jq]
;W[lp];B[lo];W[lq];B[ko];W[go];B[er];W[fn];B[rd];W[qd];B[qe];W[rc]
;B[lj];W[mj];B[mk];W[mi];B[lk];W[jh];B[ij];W[ro];B[hh];W[if];B[ki]
;W[ke];B[dj];W[dk];B[ci];W[ej];B[di];W[ei];B[ck];W[dl];B[eh];W[fh]
;B[eg];W[dh];B[bj];W[bl];B[bh];W[bk];B[fg];W[dg];B[fe];W[fb];B[gc]
;W[gb];B[mg];W[gg];B[hg];W[ff];B[hf];W[le];B[ng];W[md];B[gf];W[me]
;B[of];W[kd];B[ic];W[jc];B[ef];W[dq];B[jb];W[kc];B[hb];W[kb];B[eq]
;W[do];B[dp];W[ch];B[hn];W[ho];B[in];W[rl];B[nj];W[ni];B[sm];W[pl]
;B[qm];W[pj];B[qj];W[ok];B[qk];W[nl];B[om];W[ol];B[ql];W[ae];B[ad]
;W[af];B[ab];W[co];B[bo];W[bn];B[bp];W[fk];B[gl];W[id];B[lg];W[kh]
;B[jf];W[je];B[ig];W[kf];B[ie];W[kg];B[re];W[hd];B[hc];W[mo];B[op]
;W[oq];B[po];W[qq];B[mn];W[np];B[li];W[mh];B[eo];W[en];B[hq];W[fo]
)
Complete tournament table is here.
