White to play to get the best result. The most desirable results are listed here, in order from best to worst: (1) Kill (2) Make the best reduction in sente, threatening to kill (3) Tenuki at T (a gote move) if neither is possible. Please flag or comment if there is a mistake.
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;
AB [ih][jh][kh][lh][hi][mi][hj][mj][hk][mk][il][jl][kl][ll]
AW [hg][ig][jg][kg][lg][gh][mh][gi][ni][gj][kj][nj][gk][nk][hl][ml][im][jm][km][lm]
LB [pj:T]
C [White to play to get the best result. The most desirable results are listed here, in order from best to worst: (1) Kill (2) Make the best reduction in sente, threatening to kill (3) Tenuki at T (a gote move) if neither is possible.]
(; W [lk]; B [jj] (; W [li] C [RIGHT][Correct. White finishes in sente with more points than the seki in another variation.])(; W [jk]; B [ik]; W [li]; B [ki] C [White plays M10 next, finishing in gote.]))
(; W [li]; B [lk] C [You attacked the wrong corner. Black now lives due to the liberty at H12.])
(; W [jj]; B [lk] C [The best you can hope for here is a sente seki. You can do better!])
(; W [pj]; B [jj] C [Black fixes. You missed an opportunity.])
)