(;AB[ao]AB[bp]AB[bq]AB[cq]AB[dp]AB[ep]AB[eq]AB[er]AB[fs]AW[fr]AW[hr]AW[fq]AW[fp]AW[eo]AW[do]AW[co]AW[bo]AW[cp]AW[cr]AW[bm]AP[goproblems]
(;W[dr];B[dq]
(;W[br];B[ar]C[One step closer to chosei...]
(;W[bs];B[ds]
(;W[ap];B[as]C[Here comes the throw-in...];W[aq];B[ar];W[ap]C[];B[as]C[Nice! The chosei goes into an infinite loop! Very interesting.RIGHT];W[aq];B[ar];W[ap]C[];B[as]C[Nice! The chosei goes into an infinite loop! Very interesting.RIGHT])
(;W[gs];B[es];W[ap];B[as];W[aq];B[ar];W[ap];B[as];W[aq];B[ar]C[RIGHT]))
(;W[es];B[bs]C[Black 6 is the vital point, and he lives.]))
(;W[ap];B[br]C[Black lives...]))
(;W[ds];B[es]C[Now what?];W[gs];B[dq]
(;W[br];B[ar]
(;W[bs];B[dr];W[ap];B[cs]C[Well done! White has forced Black into a ko-for-life!RIGHT])
(;W[ap];B[bs]C[Seki...]))
(;W[ar];B[br];W[bs];B[dr]C[Uh-oh, this doesn't work for White...])
(;W[ap];B[bs]C[Black 6 is a tesuji.];W[br];B[ar]C[At least, it's a seki now. White can do better...])))