(;AB[js]AB[jr]AB[jq]AB[kq]AB[ls]AB[ms]AB[mr]AB[iq]AW[kr]AW[mq]AW[nr]AW[ns]AW[kp]AW[np]AW[jp]AW[ip]AW[hq]AW[gq]AW[gr]C[How many ko threats does Black have here (play A if Black can save this group with his next move)?]LB[gn:A]LB[hn:0]LB[in:1]LB[jn:2]LB[kn:3]AB[hs]AW[lq]AW[fr]AW[fs]AP[goproblems]
(;B[gn]C[Sorry, black stones can't live unconditionally.])
(;B[hn]C[There is something. Please look carefully...])
(;B[in];W[io]C[Please play the Ko threat.]
(;B[hr];W[jo]C[White chooses to win the Ko.]
(;B[ir]C[Come on, this is serious. The lives of 10 stones are at stake!])
(;B[is]C[Yes, very funny.])
(;B[ks];W[lr]C[White says: 'Thank you'.])
(;B[lr];W[ks];B[lr];W[ls];B[ms];W[ls];B[ks]C[Nice work.RIGHT]))
(;B[ir]C[So, how long have you been playing Go?]TR[lr]TR[hr])
(;B[is]TR[hr]TR[lr]C[Triangles are miai for white to kill.])
(;B[ks]C[This move is gote and does not do black group any good.]TR[hr]TR[lr])
(;B[lr]
(;W[jo]C[White chooses to win the Ko.CHOICE]
(;B[hr];W[ks];B[lr];W[ls];B[ms];W[ls];B[ks]C[You did it, great!RIGHT])
(;B[ir];W[hr]C[...and black group gets squashed.])
(;B[is];W[hr]C[Please tell me this was a missclick.])
(;B[ks];W[hr]C[White both won the Ko and kept the black group dead.]))
(;W[hr]C[If White decides to respond to M2 he should play here. It kills the black group and leaves no more ko threats.])))
(;B[jn]C[Not really.])
(;B[kn]C[Not that many, sorry.]))
