(;
AB[hs][er][fr][gr][dq][eq][iq][jq][ep][fp][hp]
AW[cs][is][dr][hr][kr][cq][fq][gq][lq][dp][kp][co][fo][ho][io][ko][en][bq]
C[Black plays.]
(;
B[gs]
C[Too slow.];
W[gp];B[hq];W[go]
(;
B[js];W[jr];B[ir];W[es]
C[Black only has one eye.]
)
    (;
    B[ir];W[js]
    LB[hr:A]
    C[Black has only a false eye at A.]
    )
)
    (;
    B[js]
    C[Good timing, as the variations below show.]
    (;
    W[jr];B[ir]
    C[Black already has 2 eyes.]
    )
        (;
        W[gp]
        C[Saving the 2 stones isn't enough.];
        B[hq];W[go];B[ir]
        C[Black easily makes 2 eyes.]
        )
        (;
        W[gs]
        C[The toughest defense.];
        B[hq]
        C[Black captures 2 stones for an eye, but where is the 2nd eye?];
        W[jr];B[ir];W[ks];B[fs]
        C[White has a liberty shortage, and doesn't even have a ko for the bottom edge stones.]
        )
    )
)

