(;
AB[pd][dd][fd][jc][je][nd][qe][qf][pj][qj][qi][qm][nl][oq][dp][eq][dn][fn][ro][rm][pm][rk][oj][nj][ni]
AW[cf][ef][cj][pf][pg][qh][rh][pi][oi][qp][po][np][lq][fq][fp][pl][sm][rl][ql][ng][ok][nk][mk]
TR[ng]
C[Black's response to the marked stone?
(follow up position from last week's problem)

Source:
    American Go Journal, Fall 1991, Vol. 25, No. 4, p. 24
    "Masterpieces of Handicap Go"
    3 stone handicap
    Hayashi Fumiko 1 dan (16 years old) vs.  Shuei Honinbo 7 dan
    Game played on Dec. 2, 1891]
(;
B[li]
C[In the game here, Black lets slip an excellent opportunity to wrap up the game.  This move is too soft on the upper right White group.];
W[lg]
C[Now White has a one-way street of straightforward forcing moves.];
B[kh];W[me];B[md];W[jf];B[kf];W[kg];B[jg];W[if];B[lf];W[mf];B[kd];W[jh]
TR[jg]
C[When White cuts, the game is complicated.  Black has to worry not only about the lone marked stone, but also about a possible liberty race with his 9 stone eyeless group below.  In a handicap game, Black wants to avoid such situations.]
)
    (;
    B[lh]
    C[Correct.  Black's knight move puts White on the spot.];
    W[lg]
    C[White can try to run out, but ...];
    B[kg]
    C[... Black can block.]
    (;
    W[lf]
    C[If White plays the proper move, ...];
    B[kh]
    C[... Black connects to make his stones safe, and White has nowhere to run.]
    )
        (;
        W[mh]
        C[White can try to cut off Black's group, but ...];
        B[li];W[mi];B[ol]
        C[... Black first forces here ...];
        W[pk];B[mj];W[lj];B[lk];W[kj];B[ml]
        TR[lh][li]
        C[... and Black captures White's 8 stones.  White can capture the 2 marked stones in gote, but Black would come out way ahead on the exchange.]
        )
    )
)

