(;
AB[pd][pg][pe][of][nf][ng]
AW[oe][qf][pf][og][oh][ph]
C[Black plays in the upper right.

Source:
    American Go Journal, Vol. 19, No. 4, 1985, p. 27
    "Guerilla Tactics for Beginners", by Cho Chi Kun];
B[rf]
C[Quite an effective move that fully uses the aji of Black's captured stone.]
(;
W[qg]
C[If White simply captures, ...];
B[re]
C[... Black pulls back.  All of Black's stones are working efficiently together.]
)
    (;
    W[rg]
    C[Inferior.];
    B[qe]
    C[Black forces here.];
    W[qg];B[nd]
    C[Capturing a stone here to unite Black's stones is a great success for Black.  White can capture the Black stone on the side, but Black would block with the result that White would only gain a small endgame play in gote.]
    )
    (;
    W[qe]
    C[White can also resist by pushing into the corner.];
    B[qg];W[re];B[rg];W[qc]
    C[White must fully commit to the corner.];
    B[pc];W[qb];B[qi]
    C[But Black can escape down the side.];
    W[ne];B[me]
    C[And Black can sacrifice the corner stones to build outside influence];
    W[nd];B[pb];W[qd];B[md];W[nc];B[mc];W[mb];B[lb];W[nb];B[nh]
    C[Black has given up 4 stones, but Black has nice outside influence and White's 3 stones have limited prospects.  Black is more than satisfied.]
    )
)

