(;GM[1]FF[4]SZ[19]AP[SmartGo:2.5.0.0]CA[gb2312]
GN[第31届业余世锦赛第6轮]
PW[陈正勋      6段*]
PB[王琛        7段*]
EV[第31届业余世锦赛第6轮]
DT[20100528 [15:58\]]
KM[6.5]
RE[黑棋中盘胜]
US[www.chinaqiyuan.com]MU[1]
C[In this game the play is very good and I don't really have that much to say, especially in the opening. ]
;B[qd];W[dp];B[dc];W[qp];B[cn];W[df];B[fd];W[ck];B[gp]
C[The distant kakaris are becoming more popular recently and in the game sequence this move worked well to give B an efficient shape]
LB[gq:A];W[co];B[dq]
C[If I were W I'd play at A, expecting a Black play at B, after which I would tenuki]
LB[dn:A][eq:B];W[cq];B[eq];W[dn];B[cr];W[bq];B[jq]TR[gp]
C[The position of the marked stone is very good; in return for giving W more territory in the corner, B has a very efficient shape]
;W[oc];B[kc];W[qg];B[pe];W[qj];B[oq];W[po];B[pc];W[np];B[mq];W[og];B[nf]
;W[ke];B[id];W[lc];B[ld];W[kd];B[jc];W[of];B[oe];W[me];B[mc];W[ne];B[lb]
;W[io];B[jp];W[mp];B[lq];W[kn];B[lk];W[nk];B[lm];W[lp];B[li];W[mg];B[nh]
;W[ng];B[ln];W[ko];B[nm];W[nq];B[nr];W[mr];B[lr];W[or];B[ms];W[pr];B[ci]
;W[ce];B[cd];W[bd];B[bc];W[dd];B[cc];W[ed];B[ec];W[fe];B[ei];W[gd];B[fc]
;W[fg];B[gi];W[ii];B[ok];W[dj];B[di];W[fj];B[ej];W[ek];B[fk];W[gj];B[el]
;W[dk];B[fi];W[hj];B[gg];W[nj];B[nl];W[kl];B[km];W[ll];B[ml];W[jl];B[jm]
;W[il];B[im];W[mk];B[gf];W[in];B[hl];W[hm];B[ik];W[hk];B[gl];W[jk];B[qk]
;W[rj];B[pm];W[rk];B[no];W[on];B[nn];W[op];B[pk];W[om];B[ol];W[lj];B[hn]
;W[ff];B[bf];W[bh];B[be];W[bi];B[ch];W[bg];B[cg];W[gm];B[fm];W[gn];B[fn]
;W[go];B[fo];W[ho];B[rm];W[cm];B[hp];W[hh];B[gh];W[if];B[ie];W[hf];B[he]
;W[je];B[br];W[nd];B[ob];W[pb];B[qb];W[re];B[pi])