Originally inspired by Peter's comments on problem 3087.
Thanks to tigre, santa c, e, and warp for their very useful comments :)
(;AB[ar]AB[aq]AB[bq]AB[cq]AB[dr]AW[cr]AW[br]AW[dq]AW[eq]AW[er]AW[fr]AW[gr]AB[fq]AB[ep]AB[dp]AB[do]AW[cp]AW[co]AW[bo]AW[ap]AW[an]AB[bn]AB[cn]AB[cm]AB[bl]AW[bj]AW[ci]AW[dn]AB[ck]AB[gi]AW[fi]C[Something nice for white maybe? Mind the ko!]AB[ei]AW[fh]AW[gj]AB[gh]AB[gq]AW[hq]AB[hp]AW[iq]AW[io]AB[ds]AB[al]AP[goproblems]
(;W[eo];B[fp]
(;W[fo];B[gp]
(;W[ho];B[en];W[dm];B[go]
(;W[fn];B[gn])
(;W[gn];B[fn]))
(;W[go];B[en];W[dm];B[em];W[dl]C[RIGHT])
(;W[ip];B[en]
(;W[dm];B[go];W[fn];B[gn])
(;W[go];B[dm])))
(;W[go];B[fo];W[en];B[fn]))
(;W[dm];B[fo])
(;W[fp];B[eo]
(;W[en];B[fo]
(;W[fn];B[go]
(;W[gn]C[RIGHT])
(;W[gp];B[gn])
(;W[hn];B[am]))
(;W[go];B[fn])
(;W[gn];B[fn];W[fm]C[Oh yeah!RIGHT])
(;W[gp];B[fn]))
(;W[fn];B[en])
(;W[fo];B[en])
(;W[gp];B[en]))
(;W[gq];B[en])
(;W[en];B[fp]
(;W[go];B[am]C[Mind the ko!])
(;W[fo];B[am]C[Mind the ko!])
(;W[gn];B[am]C[Mind the ko!])
(;W[fn];B[am]C[Mind the ko!])
(;W[eo];B[am]C[Mind the ko!]))
(;W[fn];B[en])
(;W[ho];B[fo])
(;W[gp];B[en])
(;W[fo];B[en];W[dm];B[eo]
(;W[fn];B[em]C[White will lose the chase])
(;W[em];B[fn]
(;W[fm];B[gn])
(;W[gn];B[fm]C[White will lose the chase])))
(;W[go];B[en])
(;W[ds];B[fo])
(;W[bp];B[ao]C[Those stones won't be saved like that])
(;W[ao];B[am]C[Those stones won't be saved like that])
(;W[es];B[fo]C[Black covers the weak spot and remains strong locally. White b1 is met by black a7. Mind the ko!])
(;W[cs];B[fo])
(;W[bs];B[fo];W[es];B[am];W[cs];B[ao]C[Mind the ko!])
(;W[am];B[fo]C[Black covers the weak spot]
(;W[bs];B[bm];W[es];B[ao];W[an];B[am];W[cs];B[ao]C[Mind the ko!])
(;W[es];B[bm];W[bs];B[ao];W[an];B[am];W[cs];B[ao]C[Mind the ko!])
(;W[cs];B[bs]C[Oh dear])
(;W[ao];B[bm]C[Those stones won't be saved like that]))
(;W[as];B[bs]C[Auto-atari? Best save that for a ko threat later in the game]))
