Please flag and / or comment if there is a mistake.
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AB[gi][hi][ii][ki][li][mi][gj][mj][gk][hk][ik][kk][lk][mk]
AW[fh][gh][hh][ih][jh][kh][lh][mh][nh][fi][ni][fj][nj][fk][nk][fl][gl][hl][il][jl][kl][ll][ml][nl]
C[Black needs a move to live. Black can live by playing at any of the 5 marked intersections. Which way is the best in terms of points and ko threats? White will play ko threats after your first move.][FORCE]
LB[jj:A][ji:B][kj:C]
TR[ij][jk]
(; B[jj]; W[jk] (; B[ji] C[RIGHT][White has one ko threat; Black lives with 4 points.])(; B[kj]; W[ji]; B[ij] C[Oops ... Lives with only 2 points.])(; B[ij]; W[ji]; B[kj] C[Oops ... Lives with only 2 points.]))
(; B[ji]; W[ig] C[Note that White can play at K9 as a ko threat, and Black will live with 4 points by responding at K11 ... Play at L13 to continue.][FORCE] TR[kg]; B[kg]; W[jj](; B[jk]; W[kj]; B[ij] C[... But White can instead choose to squeeze 2 ko threats out of this position if it benefits him/her. Therefore, this is slightly inferior to the K10 solution.])(; B[ij]; W[jk]; B[kj] C[Black lives with only 2 points and gives White 2 ko threats.])(; B[kj]; W[jk]; B[ij] C[Black lives with only 2 points and gives White 2 ko threats.]))
(; B[kj]; W[jj] (; B[ij]; W[jk]; B[ji] C[The worst solution. Lives with only 2 points and gives White 2 ko threats.])(; B[jk]; W[ji]; B[ij] C[The worst solution. Lives with only 2 points and gives White 2 ko threats.])(; B[ji]; W[jk]; B[ij] C[The worst solution. Lives with only 2 points and gives White 2 ko threats.]))
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