(;
AB[bc][ce][df][pd][qq]
AW[dc][fd][eg][ch][dp]
TR[eg]
C[Black's response to the marked play?

Source:
    American Go Journal, Vol. 33, No. 2
    LiPing Huang 4P  vs.  Yilun Yang 7P (White)
    Commentary:  Yilun Yang 7P]
(;
B[jd]
C[After White's previous fast move, this game continuation is OK.  But the variation shows another strategic plan.];
W[ef]
C[White seals off the center escape.]
(;
B[cn]
C[This approach is a big move but is also a mistake, because ...];
W[co];B[dn];W[fp];B[ck];W[bb]
C[... now White has this severe squeeze.];
B[cc];W[cb];B[dd];W[ed];B[db]
C[And this atari is premature, because ...];
W[ec];B[ab];W[eb]
C[... now White has a very solid shape at the top.];
B[cg];W[dh];B[bg];W[bh]
C[White seals in the top left group with good outside thickness, which already starts to let White control the game.  White goes on to win by 13 points.]
)
    (;
    B[cb]
    C[Settling the corner here is necessary.]
    )
)
    (;
    B[ef]
    C[Pushing out is another possibility.];
    W[fg];B[ff];W[gg];B[gf];W[ic];B[hg];W[dm]
    C[This result begins another game.  White has a fast opening, and Black is thick.]
    )
)

