(;
AB[pr][mq][jq][fq][dq][cq][bq][cn][dd][cc][fc][hc][pc][qe][qh][di][dj][ej]
AW[bc][bd][cf][dh][cl][dn][dp][cp][bp][ep][jc][mc][qk][qn][pp][ei][fi][ch]
TR[fi]
C[Black's response to White's marked play?

Source:
American Go Journal, Vol. 32, No. 3, p. 7
1998 North American Masters Tournament
Jimmy Cha 4P  vs.  Jujo Jiang 9P
Commentary:  Jimmy Cha, Jujo Jiang]
(;
B[dm]
C[In the game, Black mistakenly hanes here.];
W[dl]
C[White is happy to split Black's stones with strong White formations nearby.  Black has all kinds of trouble here now.];
B[fj];W[gj];B[fl];W[em];B[hl];W[gi]
TR[dm]
C[Jimmy Cha (Black) thought that he was a little behind now.

The marked stone isn't very useful.]
)
    (;
    B[dl]
    C[Jimmy Cha said that this attachment was correct.];
    W[dm];B[ck];W[bl];B[fl]
    C[Carefully comparing this position to the previous (game) variation shows that Black has a better shape.]
    )
)

