(;
AB[nb][nc][od][oe][pf][qf][re][se][lb]
AW[sa][sb][sc][sd][qb][pd][ob][oa]
C[Black plays.]
(;
B[qc]
C[This point may seem like a weakness in White's shape, but ...];
W[qd]
C[... White can cut off the stone.];
B[pc];W[oc]
C[White has plenty of eye-space to live.]
)
    (;
    B[pc]
    C[The only move.  But now White has multiple tough defenses.]
    (;
    W[pb]
    (;
    B[qa]
    C[Correct.];
    W[rd];B[qc];W[rc];B[qd]
    LB[ra:A]
    C[With a liberty shortage, White cannot play A to live.]
    )
        (;
        B[rc]
        C[Fails.];
        W[rd];B[qc];W[rb]
        (;
        B[qa];W[oc]
        )
            (;
            B[qd];W[qa]
            )
        )
    )
        (;
        W[qc];B[rd]
        (;
        W[qa];B[rc];W[rb];B[pb];W[oc];B[qd]
        )
            (;
            W[rc];B[ra];W[oc];B[qd]
            )
        )
        (;
        W[oc];B[qd]
        (;
        W[qa];B[rc];W[qc];B[rd];W[rb];B[pb]
        )
            (;
            W[pb];B[qa];W[rd];B[rb];W[qc];B[qe]
            LB[ra:A]
            C[With a liberty shortage, White cannot play A to live.]
            )
        )
    )
)

