(;
AB[fb][ec][hc][nc][oc][id][ie][jd][md][me][mf][qd][cf][ef][hf][jf][kf][qf][fg][fh][eh][di][dj][dk][dl][qn][cq][dq][jq][pq][er][fr]
AW[hb][dc][dd][fc][fd][jc][lc][mc][kd][ke][nd][ne][he][je][df][dg][dh][if][eg][ch][ci][cj][qh][qk][cl][cm][cp][dp][ep][fq][gq]
PL[W]
TR[hb][hf]
C[After the marked exchange, how should White follow up?

Source:
    American Go Yearbook 2003, p. 72
    "Top Amateur Game"
    Black:  Mero Csaba 5d
    White:  KGS player
    Commentary:  Guo Juan 5P]
(;
W[ic]
C[In the game, White makes a big mistake with this atari.];
B[ig];W[hd]
C[White takes a few more points with this sequence, but the cost is too high.  Black's center is so strong that the potential in the rest of the board is only for Black, especially with White's right side weak stones.

With sente, Black now has options. ];
B[ri]
C[In the game, Black chooses this severe attack.  Black goes on to win this game.]
)
    (;
    W[ig]
    C[Instead, White needs to escape at once, ...];
    B[ge];W[gb]
    C[... and then come back here to defend the top.

At best, Black will need a lot of work to capture the center stones.

And if White survives, Black will not gain anything in the center.  White would be very happy territorially.]
    )
)

