(;
AB[rr][qr][pr][oq][pp][po][np][nn][mp][lp]
AW[pq][qq][rq][qo][qn][kq][kp][ip][kn][lo]
C[White plays.

Source:
    The Endgame, Chap. 5, pp. 101-102
    Tomoko Ogawa & James Davies, Ishi Press]
(;
W[nr]
C[An outright mistake.];
B[lr]
C[Black captures the White stone.]
)
    (;
    W[mr]
    C[Slack.];
    B[nr];W[mq]
    C[Black protected the cutting point in sente, because White now has to defend here to save his stone.]
    )
    (;
    W[lr]
    C[The best endgame move in this part of the board!  White makes a relatively small first move in order to set up a large next move.];
    B[]
    C[By defending, Black would end in gote.  So Black plays elsewhere next.];
    W[nr]
    C[But then White has this big sente follow up.];
    B[or]
    C[Black ends in gote, and White is 5 points better than in the previous variation.]
    )
)

