(;
AB[cc][db][ec][ed][de][pd][pp][pn]
AW[dc][eb][fa][gb][fc][dp][di][jp][nq]
C[Black plays.

Source:
    Go the Natural Way, Part II
    Takemiya Masaki 9P
    American Go Journal, Vol. 27, No. 3, p. 20]
(;
B[gd]
C[Playing this move first to fence White in is important.];
W[ic];B[pj]
C[Now Black can build up the right side position here.]
(;
W[nc]
(;
B[cq]
C[With this sente corner invasion, Black drives the direction of play.];
W[dq];B[cp];W[co];B[bo];W[cn];B[bn];W[cm];B[dr];W[er];B[cr];W[fq]
(;
B[mo]
C[Now Black can force again here to fix the shape in the lower right.];
W[lp];B[nd]
C[Finally, by following up first in the upper right, Black can expect to have the advantage in any fighting.]
)
    (;
    B[nd]
    C[Note that if Black omits the forcing move in the bottom right, ...];
    W[no]
    C[... White has the opportunity to jump here, which is a big move.]
    )
)
    (;
    B[cn]
    C[Black has another way of playing, by approaching here.];
    W[co];B[dn];W[fp];B[dk];W[fi];B[fk]
    C[With this sequence, Black can use his thickness at the top.

The result is completely different from the game line, but Black has no cause to be dissatisfied.]
    )
)
    (;
    W[dn]
    C[White can play in the lower left here to forestall Black from invading the corner, but ...];
    B[kc]
    C[... Black has this severe checking extension.];
    W[ie]
    C[White has to jump out, but ...];
    B[ke]
    C[... Black presses closely here.  Black builds up the right side, and White is still not completely secure.]
    )
)
    (;
    B[hc]
    C[This approach to fixing the shape at the top is not good.];
    W[fd];B[fe];W[hd];B[id];W[ge]
    C[White easily dodges the attack and makes good shape here.]
    )
    (;
    B[pj]
    C[Black cannot first develop the right side here.];
    W[ge]
    C[White here would be an ideal move.  The difference between a White move here and Black's move in the main line is enormous.]
    )
)

