(;AB[cr]AB[bp]AB[bo]AB[bn]AW[bm]AW[cm]AW[cn]AW[co]AW[dp]AW[eq]AW[er]AW[bk]AW[gr]C[How to attack Black here?]AP[goproblems] (;W[an] (;B[ao] (;W[bq];B[cq] (;W[cp];B[am] (;W[aq];B[ar] (;W[bs]C[Well done! :)RIGHT]) (;W[br];B[bs];W[as]C[:(]MA[ar])) (;W[br];B[bs]C[Ko :(] (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]MA[aq]C[:(])) (;W[ar] (;B[br];W[aq] (;B[cs];W[al];B[as];W[bs]MA[as]C[:(]) (;B[al];W[cs])) (;B[al];W[aq]C[])) (;W[al];B[br]C[:(]) (;W[cs];B[aq];W[br];B[ar];W[bs];B[ds]C[:(]) (;W[bs];B[aq];W[br];B[ar]C[:(])) (;W[aq];B[ar] (;W[cp];B[am] (;W[bs]C[Well done! :)RIGHT]) (;W[br];B[bs];W[as]C[:(]MA[ar])) (;W[bs];B[cs] (;W[cp];B[am];W[br]C[Well done! :)RIGHT]) (;W[br];B[cp]C[:(])) (;W[br];B[bs] (;W[as]MA[ar]C[:(]) (;W[cp];B[ap]C[:(]))) (;W[br];B[bs] (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]MA[aq]C[:(]) (;W[cp];B[am] (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]MA[aq]C[:(]))) (;W[ar];B[br];W[aq];B[cp] (;W[cs];B[bs]C[:(]) (;W[bs];B[cs]C[:(])) (;W[cs];B[aq];W[br];B[ar];W[bs];B[ds]C[:(]) (;W[bs];B[aq];W[br];B[ar]C[:(])) (;W[cq];B[bq] (;W[ar];B[aq]C[:(]) (;W[br];B[ar]C[:(]) (;W[dr];B[cs]C[:(]) (;W[cs];B[bs]C[:(]) (;W[bs];B[cs]C[:(])) (;W[br] (;B[bs] (;W[aq];B[ar] (;W[as]MA[ar]C[And white still has a local threat at B3... :(]) (;W[bq];B[cq];W[as]MA[ar]C[B3 wasted a local threat... :(])) (;W[bq];B[cq] (;W[ar];B[aq];W[ap]MA[aq]C[:(]) (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[cp];B[am] (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]C[:(]MA[aq]) (;W[al];B[aq]C[:(]))) (;W[cq];B[bq]C[:(]) (;W[ar];B[aq];W[bq];B[cq];W[ap]MA[aq]C[:(])) (;B[ar];W[aq];B[bs];W[as]MA[ar]C[And white still has a local threat at B3...]) (;B[bq];W[aq]) (;B[cq];W[aq]C[]) (;B[cs];W[cq];B[bq];W[aq])) (;W[cp];B[bq]C[:(]) (;W[ar];B[aq] (;W[bq];B[cq];W[ap]MA[aq]C[And white still has a local threat at B2... :(]) (;W[br];B[bq]C[:(]) (;W[cq];B[bq]C[:(])) (;W[bs];B[cs] (;W[bq];B[cq];W[cp];B[am] (;W[ar];B[br];W[aq];B[as]MA[bs]C[:(]) (;W[br];B[aq]C[:(]) (;W[al];B[br]C[:(]) (;W[aq];B[br];W[ar];B[as]MA[bs]C[:(])) (;W[cq];B[bq]C[:(]) (;W[br];B[bq]C[:(]) (;W[aq];B[bq]C[:(]) (;W[ar];B[cq]C[:(])) (;W[aq];B[ar] (;W[bq];B[cq] (;W[bs];B[cs] (;W[cp];B[am];W[br]C[Well done! :)RIGHT]) (;W[br];B[cp]C[:(])) (;W[br];B[bs];W[as]MA[ar]C[:(]) (;W[cp];B[am] (;W[bs]C[Well done! :)RIGHT]) (;W[br];B[bs];W[as]C[:(]MA[ar]))) (;W[cq];B[bq]C[:(]) (;W[bs];B[cs] (;W[bq];B[cq] (;W[cp];B[am];W[br]C[Well done! :)RIGHT]) (;W[br];B[cp]C[:(])) (;W[cq];B[bq]C[:(])) (;W[br];B[bs];W[as]MA[ar]C[:(])) (;W[cs];B[bs] (;W[br];B[ds] (;W[bq];B[cq] (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]MA[aq]C[:(]) (;W[cp];B[am] (;W[aq];B[ar];W[as]C[:(]MA[ar]) (;W[ar];B[aq];W[ap]MA[aq]C[:(]) (;W[al];B[aq]C[:(]))) (;W[cq];B[bq]C[:(]) (;W[ar];B[aq];W[bq];B[cq];W[ap]MA[aq]C[:(]) (;W[aq];B[ar];W[as]MA[ar];B[bq];W[cs]MA[bs];B[dr];W[cq];B[bs]MA[cs])) (;W[cq];B[bq]C[:(]) (;W[ar];B[aq];W[bq];B[cq];W[ap]MA[aq]C[:(]) (;W[bq];B[cq] (;W[br];B[ds] (;W[cp];B[am] (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]C[:(]MA[aq]) (;W[al];B[aq]C[:(])) (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]MA[aq]C[:(])) (;W[cp];B[am] (;W[br];B[ds] (;W[aq];B[ar];W[as]MA[ar]C[:(]) (;W[ar];B[aq];W[ap]MA[aq]C[:(]) (;W[al];B[aq]C[:(])) (;W[ar];B[aq];W[ap]MA[aq]C[:(])) (;W[ar];B[aq];W[ap]MA[aq]C[:(]) (;W[aq];B[ar]C[:(])) (;W[aq];B[ar]C[:(]))) (;B[cq];W[ao]C[An incomplete 6 in the corner is all that's left...RIGHT] (;B[aq];W[br]TR[ar]TR[bs]C[RIGHT]) (;B[br];W[aq]TR[ap]TR[cs]C[RIGHT]) (;B[ap];W[cs] (;B[br];W[aq]TR[ar]TR[bs]C[RIGHT]) (;B[bs];W[ar]C[RIGHT])) (;B[cs];W[br]TR[ar]TR[bs]C[RIGHT]) (;B[ar];W[bs]TR[br]TR[cs]C[RIGHT])) (;B[bs];W[ar]TR[aq]TR[ao]C[RIGHT]) (;B[ar];W[bq];B[cq];W[bs] (;B[cs];W[br]TR[aq]TR[ao]C[RIGHT]) (;B[br];W[cs]C[RIGHT])) (;B[bq];W[ar]TR[aq]TR[ao]C[RIGHT]) (;B[cs];W[cq];B[bq];W[ar]TR[aq]TR[ao]C[RIGHT])) (;W[cq];B[bq]C[:(]) (;W[cp];B[an]C[:(]) (;W[bq];B[cq] (;W[br];B[ar] (;W[aq];B[bs];W[as];B[cs] (;W[ar];B[ap]TR[ar]TR[an]C[:(]) (;W[an];B[ap]C[:(])) (;W[bs];B[aq]C[:(]) (;W[cs];B[aq]C[:(]) (;W[ap];B[bs]C[:(]) (;W[an];B[bs]C[:(])) (;W[ar];B[br]C[:(]) (;W[ap];B[br]C[:(]) (;W[aq];B[br]C[:(]) (;W[an];B[br]C[:(])) (;W[br];B[bq] (;W[cs];B[ar]C[:(]) (;W[aq];B[bs]TR[ar]TR[an]C[:(]) (;W[ar];B[aq]C[:(]) (;W[bs];B[cs]C[:(]) (;W[an];B[ar]C[:(])) (;W[cs];B[ds] (;W[an];B[dr] (;W[bq];B[cq];W[ap];B[br];W[ar];B[aq]C[Please follow this sequence gotools provided... >_<]MA[bq]LB[ek:A];W[ek];B[fk]LB[bq:A];W[bq]MA[aq];B[cp]LB[ao:A];W[ao];B[aq]MA[bq]LB[el:A];W[el];B[fl]LB[bq:A];W[bq]MA[aq];B[as]LB[bs:A];W[bs];B[aq]MA[bq]LB[em:A];W[em];B[fm]LB[bq:A];W[bq]MA[aq];B[am]LB[al:A];W[al];B[aq]MA[bq]LB[en:A];W[en];B[fn]LB[bq:A];W[bq]MA[aq];B[as]LB[bs:A];W[bs];B[aq]MA[bq]LB[eo:A];W[eo];B[fo]LB[bq:A];W[bq]MA[aq]C[Messy, isn't it? :)]) (;W[cq];B[bq]C[:(]) (;W[br];B[bq]C[:(]) (;W[ao];B[bq]C[:(])) (;W[dr];B[bs]C[:(]) (;W[br];B[bs]C[:(]) (;W[bq];B[cq]C[:(]) (;W[cq];B[bq]C[:(]) (;W[aq];B[bs]C[:(]) (;W[ar]C[Checkout the next problem ^_^])) (;W[dr];B[bq]C[:(]) (;W[ar]C[Checkout problem 4 in the set ;)]) (;W[aq];B[bq]TR[ar]TR[an]C[:(]) (;W[ap];B[bq]C[:(]) (;W[bs];B[br]C[:(]) (;W[ds];B[br]C[:(]) (;W[ao];B[an]C[:(]) (;W[am];B[br]C[:(]) (;W[es];B[br]C[:(]))