(;AB[bp]AB[dr]AB[dq]AW[fr]AW[fs]AW[fp]AW[br]AB[ap]C[What can White do?]AW[aq]AB[cp]AW[ao]AW[bo]AW[co]AW[eo]AW[do]AW[fq]AB[cr]AP[goproblems]
(;W[ar]
(;B[bs]
(;W[dp]
(;B[cq];W[ds]C[Well done! :)RIGHT])
(;B[ds];W[cq]C[RIGHT]))
(;W[ds];B[bq]C[:(])
(;W[bq];B[ds]C[:(]))
(;B[dp];W[bq]TR[bs]TR[ds]C[RIGHT])
(;B[ds];W[dp]TR[cq]TR[bs]C[RIGHT])
(;B[bq];W[dp]C[RIGHT]))
(;W[bq];B[ds]
(;W[dp];B[cq]
(;W[as];B[bs];W[cs]MA[bs]C[Not so easy a ko with these outside liberties...])
(;W[bs];B[ar]C[:(]))
(;W[as];B[bs]C[Not so easy a ko with these outside liberties...])
(;W[bs];B[ar]C[Black captures a living shape!])
(;W[ar];B[bs]C[:(]))
(;W[bs];B[bq]C[:(])
(;W[dp];B[cq]
(;W[ds];B[bs];W[ar]C[Well done! :)RIGHT])
(;W[ar]C[Well done! :)RIGHT]TR[bs]TR[ds])
(;W[as];B[bq]
(;W[ds];B[ar]MA[aq]C[Not so easy a ko...])
(;W[ar];B[bs]TR[ar]TR[ds]C[:(])
(;W[cs];B[ds]C[:(])
(;W[bs];B[cs]C[:(]))
(;W[bs];B[cs]C[:(])
(;W[cs];B[ds]C[:(])
(;W[bq];B[bs]TR[ar]TR[ds]C[:(]))
(;W[ds];B[bq]
(;W[cs];B[bs];W[as];B[ar]MA[aq]C[Not so easy a ko...])
(;W[dp];B[ar]C[:(])
(;W[ar];B[bs]C[:(])
(;W[bs];B[cs]C[:(])
(;W[as];B[ar]MA[aq]C[:(]))
(;W[cs];B[ds]C[:(])
(;W[cq];B[bq]C[:(])
(;W[as];B[bq]
(;W[ds];B[ar]MA[aq]C[:(])
(;W[dp];B[ar]C[:(]MA[aq])))