(;CA[gb2312]GM[1]FF[4]FG[259:]C[This is the last round of 28th WAGC game played between RSA representative Victor Guang Chow and Canadian representative Mr Jing Yang. Mr Yang was training as a professional in his high school years in Beijing. In the 1st Chinese Evening News Cup Championship, he came 4th. This game will determine which player will be end up in prize winner positions.] AP[GOWrite:2.0.05]SZ[19]PM[1]GN[ ]PB[Victor Chow (RSA)]PW[Jing Yang (CAN)]MULTIGOGM[1] ;B[oe]C[This is a typical opening move by black.];W[dp];B[np];W[dd];B[fp];W[dn] ;B[fn];W[qe];B[qd];W[rd];B[pd] (;W[re]C[This move is slightly passive] (;B[rc];W[qi]C[Locally, the result is not good for white, but looking from whole board, the extension to 14 successfully limited the black's potential at bottum side. This stable white group can also play a vital role in stop black link up all his stones to form a big moyo.] ;B[dq];W[cq];B[eq];W[cr];B[cl];W[cn];B[cf];W[fc];B[el]C[So far, both players are happy for their position. ] ;W[md];B[kc] (;W[nc];B[ob];W[oc];B[pb];W[ic];B[ke];W[mf];B[og];W[pf];B[ne];W[ld];B[id];W[kd] ;B[jc];W[hc];B[jd];W[kf];B[jf];W[kg];B[jg];W[kh] (;B[nh]C[This move is too bad, almost a pass move, as the black corner is alived (right live by S18 or connect via N18), thus this cut point is not threatening. ] ;W[jh]C[Now with this powerful bend move, white become strong in centre while black's group will be under attack.] ;B[gd];W[fd];B[ih];W[ii];B[hi];W[hh];B[ig];W[ij] (;B[gi]C[Perhaps black is over optimistic. ];W[gh]C[Now this sharp move come out from blue, and black is suddenly have a tough assignment of fending off white's attack in central area. ] ;B[fh];W[gg];B[gc];W[gb];B[fb];W[eb];B[fi];W[ge];B[hd] (;W[fg]C[This is a safe move for white, as white feel he got enough from here, in the post game analysis, white found a way to put black in trouble.] ;B[hb];W[fa];B[ib];W[lb];B[lc];W[mc];B[nb];W[mb];B[kb];W[rb];B[qc];W[sc];B[qh];W[rh] ;B[pi];W[qj];B[qg];W[rg];B[pj];W[mh]C[This move makes black regret his 47, as now white's shape is much more solid than black's shape.] ;B[mg]C[Although this move takes away white's eye, but it appears that black lost a move here, as 47 is no longer a needed move.] ;W[lg];B[ng]C[Strange enough, at his point, both player expressed that their own position is shaky, and both prefer the opposite side. ] ;W[pk]C[Normally, defend in centre is sufficient for white. ];B[mi];W[lj];B[nk] ;W[mj];B[nj];W[li];B[ni];W[lm];B[qk];W[pe]C[the sente at 102 to 104 is probably played before, but I cannot remember exactly when he did it. Please excuss myself for add them here. ] ;B[od];W[qb];B[pc];W[rk];B[ql];W[rl];B[qm];W[eh]C[This move is huge!];B[ei];W[dh] ;B[di] (;W[im]C[This is a safety-first move, as white already feel his position is better now. ] ;B[ch];W[ip];B[kp];W[kq];B[lq];W[jp];B[kr];W[jq];B[lp];W[qp];B[qq];W[pq];B[pp];W[po] ;B[op];W[rq];B[qr];W[ro];B[rr];W[sr];B[pr];W[ol]C[This move is a blunder as it cause white lost nearly 10 points here, however, it gives white chance to switch to top left corner, which is the last big move on board, and that move determined the out come of the game. Black should try to get sente here. ] ;B[qn];W[qo];B[om];W[nl];B[ok];W[rn];B[ml]C[This is a strong move to catch the white stones, but unfortunately this is a gote. ] ;W[nm]C[White made a error here, as if he continues further to save the three white stones, then black can weaken white's big group in centre further and then there may be many ajis in the centre.] ;B[mm];W[ll] (;B[nn]C[This is big, and it is natural, but it is a "losing" move. ];W[dl]C[If white simply play B15 here, then white can win straight away.] ;B[dk];W[bl];B[bk];W[cm];B[dm];W[em];B[fm];W[dl];B[jo];W[io];B[dm];W[mk];B[pl];W[dl] ;B[hn];W[in];B[dm];W[ce]C[Finally white get here. ] (;B[bm]C[This is the best move to end the ko fight, however, black should try keep on fight more. ] ;W[df]C[After this move, white is surely to win by small margins. ];B[bp];W[bo] ;B[cp];W[co];B[ep];W[do];B[dr];W[bq];B[bf];W[be];B[ae];W[ad];B[af];W[cg];B[bg];W[dg] ;B[bi];W[bd];B[jr];W[ir];B[hq];W[iq];B[hl];W[il];B[hk];W[ko];B[ik];W[jk];B[kn];W[jn] ;B[ln];W[km];B[hr];W[lr];B[mr];W[js];B[ls];W[hs];B[fr];W[qa]) (;B[be];W[dl];B[rm]C[This is the focus of the game, if this is a ko-threat then black will have sufficient ko-threats to go on fight the ko and thus play at 1 here become possible. ] (;W[sm];B[dm];W[bd];B[de];W[dl];B[sl];W[sk];B[dm];W[cd];B[bm]C[If this is the case, then the game is very very close. ]) (;W[ck];B[sl];W[rj];B[sm];W[fl];B[gl];W[ek];B[fk]C[If that is the best white can do, then black could have won this game.]))) (;B[ef];W[fe];B[bd];W[mn];B[mk];W[nn];B[pl];W[cc];B[bm];W[bn];B[jr];W[ir];B[hq] ;W[iq];B[bc];W[bb];B[cd];W[cb];B[hl]C[If black played in this sequence, then the game is still close, the remaining end game move will determine the outcome. ])) (;W[ch]C[This is a extremely big move which worth over 40 points, and if white played this move, and black cannot kill the white group in centre, then the game is over for black. ])) (;W[ib];B[ff];W[gf];B[fe];W[fg];B[ef];W[eg];B[dg];W[eh];B[ci]C[This looks risky for white, but after a more carefully analysis, white founds...] ;W[ch];B[dh];W[ei];B[ej];W[dj];B[ek];W[di];B[bh];W[dl]C[This move will make black's hope vanish. Since all sequence is forced, there isn't many alternatives for black. ])) (;B[gh];W[hj];B[gi];W[qp]C[This is a proper continuation for black, although with the additional atari stone at 2 which made white's group stronger, but black also gained peace of mind for his group, and the game is still have a long journey to go.])) (;B[ii];W[kj];B[ef]C[1 is critical, then 3 is attractive, if black can build territory at right side by this scale, white will have a tough game.])) (;W[le];B[je];W[lg]C[This is the best plan for white, as long as white jump a group to centre to nutralise black's expansion potential, thereafter the task of defend a weak moyo will be a tough task for black. ])) (;B[qg];W[qc];B[pc];W[qb];B[og]LB[pb:A]C[This is an alternative plan for black. Thereafter "A" is big for both side, but if white play immediately, it will be gote. ])) (;W[qc]LB[qc:A]C[This is most logical continuation. ];B[pc];W[rb];B[qb];W[rc];B[qf] ;W[rf];B[pe];W[re];B[qg]C[This could be a new joseki. White's shape is low while black have an ugly empty triangle in centre. ]))