(;
AB[gn][in][kn][mn][eo][ep][lp][mp][fq][gq][hq][iq][jq][kq][gr][ir][hs][js]
AW[fp][gp][hp][ip][jp][kp][cq][eq][lq][nq][er][fr][jr][kr][lr]
C[Black plays.

Source:
    Qi Jing Zhong Miao #360, an ancient collection of mostly kyu level life and death problems.

Analysis:
    Myron Souris]
(;
B[mq]
(;
W[mr];B[ks]
(;
W[ls];B[nr];W[is]
(;
B[or]
C[Black kills everything.]
)
    (;
    B[js]
    C[Slack.  Black lives, but so does White's lower right group.];
    W[or];B[fo];W[ns];B[go];W[ks];B[ho];W[fs];B[io];W[gs];B[jo]
    )
)
    (;
    W[np]
    C[Given that Black wins the semeai by 1 move, White should just escape with his group.]
    )
)
    (;
    W[ks];B[mr];W[is];B[ms]
    )
)
    (;
    B[fo]
    C[Too slow.];
    W[ks];B[go];W[fs];B[ho];W[gs];B[io];W[is]
    C[White has a ko.]
    )
    (;
    B[ks]
    C[Black also lives, but ...];
    W[mq]
    C[... if White avoids transposing into the main line ...];
    B[fo];W[ls];B[go];W[fs];B[ho];W[gs];B[io];W[is];B[js]
    C[... Black still wins the semeai, but White has more of the lower right corner than in the main line.]
    )
)

