(;AB[bq]AB[bp]AB[cp]AB[dp]AB[ep]AB[eq]AB[fq]AB[gq]AB[do]AB[en]AB[em]AB[cm]AB[bm]AW[br]AW[cq]AW[dq]AW[er]AW[fr]AW[gr]AW[hq]AW[fp]AW[fn]AW[fm]AW[el]AW[dl]AW[cl]AW[bl]C[White to capture the Black stones. You can kill with no ko. Good luck]AW[go]AW[eo]AW[hp]AB[fl]AB[gl]AW[gk]AW[hl]AW[hm]AW[fo]AP[goproblems] (;W[am]C[];B[an]C[] (;W[bn]C[];B[al];W[cn];B[dm];W[dn];B[am]) (;W[dm];B[bn] (;W[co];B[dn]) (;W[aq];B[dn];W[co])) (;W[cn];B[bn])) (;W[dm];B[bn] (;W[am] (;B[ao] (;W[aq];B[dn];W[co]C[RIGHT]) (;W[dn];B[aq] (;W[cn];B[co]) (;W[co];B[cn])) (;W[al];B[aq] (;W[dn];B[cn]) (;W[cn];B[dn];W[an];B[co]))) (;B[dn] (;W[bo];B[ao] (;W[aq];B[co]) (;W[co];B[aq];W[al];B[an])) (;W[aq] (;B[co] (;W[ap];B[ao]) (;W[ao];B[ap];W[an];B[bo];W[al]C[RIGHT])) (;B[ao];W[co]C[RIGHT])) (;W[ao] (;B[an];W[bo];B[co];W[aq]) (;B[bo];W[aq];B[ap])) (;W[co];B[bo] (;W[an];B[ao];W[aq];B[ar];W[as];B[ap];W[ar];B[cr]) (;W[aq];B[an];W[ap];B[ar];W[as];B[ao];W[ar];B[cr]))) (;B[aq];W[ao];B[an];W[bo] (;B[dn];W[co]C[RIGHT]) (;B[co];W[dn]C[RIGHT]))) (;W[dn];B[ao] (;W[cn];B[co] (;W[aq];B[am];W[ar];B[ap]) (;W[am];B[aq])) (;W[am];B[cn];W[aq];B[ar];W[as];B[ap];W[ar];B[cr])) (;W[aq];B[am] (;W[dn];B[ao];W[cn];B[co];W[ar];B[ap]) (;W[ao];B[bo];W[ap];B[ar] (;W[cr];B[an]) (;W[as];B[an] (;W[ar];B[cr]) (;W[cr];B[ar] (;W[aq];B[ap] (;W[dn];B[cn]) (;W[cn];B[dn])) (;W[dn];B[cn];W[aq];B[ap]))) (;W[bs];B[an]) (;W[dn];B[cn] (;W[as];B[an] (;W[ar];B[cr]) (;W[cr];B[ar];W[aq];B[ap]) (;W[bs];B[ar];W[aq];B[ap])) (;W[bs];B[an]) (;W[cr];B[an]))) (;W[ap];B[ao];W[co];B[dn]) (;W[bo];B[ao]) (;W[co];B[dn] (;W[bo];B[ao]) (;W[ap];B[ao]))) (;W[ao];B[dn];W[bo];B[co] (;W[aq];B[ap] (;W[cn]) (;W[am];B[an]) (;W[an];B[am]) (;W[gp];B[an])) (;W[ap];B[aq] (;W[am];B[an]) (;W[ar];B[am] (;W[al];B[an]) (;W[gp];B[an]))) (;W[an];B[am] (;W[al];B[ap]) (;W[ap];B[aq])) (;W[am];B[ap])) (;W[bo];B[ao] (;W[aq];B[co]) (;W[dn];B[cn]) (;W[am])) (;W[co];B[bo];W[am];B[an];W[aq];B[ap])) (;W[aq];B[dm] (;W[bn];B[cn];W[am];B[bo]) (;W[am] (;B[an];W[ap];B[ao]) (;B[bn];W[ao];B[bo];W[cn];B[an];W[ap])) (;W[ap];B[ao] (;W[am];B[an]) (;W[bo];B[ar];W[am];B[bn];W[co];B[cr])) (;W[ao] (;B[cn] (;W[ap];B[bo]) (;W[bo];B[ap];W[am];B[an];W[bn];B[co]) (;W[am];B[bo])) (;B[bo] (;W[cn];B[ap];W[bn];B[an]) (;W[ap];B[cn]) (;W[an];B[cn] (;W[ap];B[bn]) (;W[bn];B[ap])))) (;W[bo];B[ao] (;W[bn];B[cn];W[an];B[am];W[ap];B[co] (;W[ao];B[ar]) (;W[ar];B[ao])) (;W[cn];B[bn] (;W[co];B[am]) (;W[am];B[co])) (;W[an];B[bn];W[ap];B[co] (;W[ao];B[ar];W[as];B[am];W[ar];B[cr]) (;W[ar];B[ao]C[Ko, you can do better, can't you?]) (;W[am];B[ao]C[Ko, you can do better !]))) (;W[an];B[am];W[ap];B[ao];W[bo];B[bn] (;W[co];B[cn] (;W[ar];B[ao]) (;W[ao];B[ar])) (;W[ao] (;B[co]) (;B[ar];W[as];B[co];W[ar];B[cr])))) (;W[ao] (;B[am] (;W[bo];B[dm] (;W[dn];B[cn] (;W[ap];B[aq];W[co] (;B[an];W[ar];B[bn]) (;B[dn];W[al];B[bn] (;W[gp];B[an]) (;W[ar];B[an]))) (;W[co]C[] (;B[ap]C[Ok, so... What now ??] (;W[ar];B[bn] (;W[aq];B[an]) (;W[gp];B[an])) (;W[aq];B[bn];W[gp];B[an]C[Ooops... Nope]) (;W[al];B[bn] (;W[gp];B[an]) (;W[aq];B[ar]C[really?]) (;W[ar];B[an])) (;W[gp];B[bn] (;W[al];B[an]) (;W[aq];B[ar]C[:(]) (;W[ar];B[an]))) (;B[aq])) (;W[aq];B[ap];W[co];B[bn];W[gp];B[an]C[Ooops... Nope])) (;W[co];B[cn] (;W[aq];B[ap];W[gp];B[ar] (;W[cr];B[bn]) (;W[bs];B[bn];W[as];B[an])) (;W[ap];B[aq] (;W[ar];B[bn];W[gp]) (;W[gp];B[bn];W[ar]))) (;W[ap];B[aq];W[co];B[cn] (;W[ar];B[bn];W[gp]) (;W[gp];B[bn];W[ar]))) (;W[aq];B[ap] (;W[dn];B[dm] (;W[cn];B[bo] (;W[bn];B[an]) (;W[al];B[bn])) (;W[bn];B[cn]) (;W[bo];B[cn];W[co];B[bn];W[gp];B[an]C[Ooops... Nope]) (;W[co];B[cn];W[bo];B[bn];W[gp];B[an]C[Ooops... Nope])) (;W[dm];B[dn];W[cn];B[bo] (;W[bn];B[an];W[al];B[co]) (;W[al] (;B[bn]) (;B[an]))) (;W[bo];B[co] (;W[dm];B[dn];W[al];B[bn]) (;W[cn];B[dm] (;W[bn];B[dn] (;W[gp];B[an]) (;W[al];B[an])) (;W[dn];B[bn]) (;W[al];B[bn];W[gp];B[dn])) (;W[dn];B[dm] (;W[cn];B[bn]) (;W[gp];B[cn]) (;W[bn];B[cn]) (;W[al];B[cn]) (;W[an];B[bn]))) (;W[cn];B[dm];W[dn];B[bo] (;W[bn];B[an]) (;W[al];B[bn])))) (;B[bn] (;W[aq];B[ap];W[bo];B[co] (;W[dn];B[dm];W[gp];B[cn] (;W[am];B[an]) (;W[an];B[am])) (;W[dm];B[dn];W[gp];B[an]) (;W[an];B[am]) (;W[am];B[an])) (;W[bo];B[co] (;W[an];B[am] (;W[dn];B[dm]) (;W[dm];B[dn] (;W[al];B[ap]) (;W[ap];B[aq]))) (;W[ap];B[aq]) (;W[aq];B[ap] (;W[dn];B[dm];W[gp];B[cn] (;W[am];B[an]) (;W[an];B[am])) (;W[dm];B[dn];W[gp];B[an]) (;W[an];B[am]) (;W[am];B[an])) (;W[am];B[an]) (;W[dm];B[dn] (;W[aq];B[ap] (;W[cn]) (;W[am];B[an]) (;W[an];B[am]) (;W[gp])) (;W[ap];B[aq] (;W[am];B[an]) (;W[ar];B[am] (;W[al];B[an]) (;W[gp];B[an]))) (;W[an];B[am]) (;W[am];B[ap])) (;W[dn];B[dm]))) (;B[bo] (;W[am];B[an];W[bn];B[cn];W[dm];B[ap] (;W[dn];B[an]) (;W[an];B[al])) (;W[an];B[am];W[bn];B[cn]))) (;W[bn];B[cn] (;W[bo];B[ao] (;W[am];B[co] (;W[aq];B[dm] (;W[al];B[an]) (;W[an];B[al]) (;W[ap];B[ar] (;W[an];B[al]) (;W[al];B[an])) (;W[ar];B[ap] (;W[an];B[al]) (;W[al];B[an]))) (;W[an];B[al] (;W[dm];B[aq]C[D7 & A3 are miai]) (;W[aq];B[dm]C[D7 & A3 are miai]) (;W[an];B[bn] (;W[aq];B[dm]C[D7 & A3 are miai]) (;W[dm];B[aq]C[D7 & A3 are miai])) (;W[am];B[an] (;W[dm];B[aq]C[D7 & A3 are miai]) (;W[aq];B[dm]C[D7 & A3 are miai])) (;W[dn];B[dm])) (;W[dm];B[aq] (;W[an];B[al]) (;W[dn];B[an]))) (;W[dm];B[aq];W[dn];B[an]) (;W[an];B[am] (;W[dm];B[aq];W[ap];B[co] (;W[dn];B[ao]) (;W[al];B[dn] (;W[ar];B[ao]) (;W[gp];B[ao])) (;W[ar];B[dn] (;W[al];B[ao]) (;W[gp];B[ao])) (;W[gp];B[dn] (;W[ar];B[ao]) (;W[al];B[ao]))) (;W[dn];B[dm];W[ap];B[aq]) (;W[aq];B[co] (;W[bn];B[dm]) (;W[dm];B[bn]) (;W[ar];B[ap] (;W[dm];B[bn]) (;W[bn];B[dm]))) (;W[ap];B[co] (;W[dm];B[aq] (;W[dn];B[ao]) (;W[al];B[dn] (;W[ar];B[ao]) (;W[gp];B[ao])) (;W[ar];B[dn] (;W[al];B[ao]) (;W[gp];B[ao])) (;W[gp];B[dn] (;W[ar];B[ao]) (;W[al];B[ao]))) (;W[aq] (;B[dm] (;W[ao];B[ar]) (;W[ar];B[ao])) (;B[ar] (;W[as];B[ao];W[ar];B[cr]) (;W[cr];B[ao])) (;B[ao])) (;W[dn];B[dm];W[aq];B[ao]))) (;W[aq];B[dm] (;W[am];B[co] (;W[al];B[an]) (;W[an];B[al]) (;W[ap];B[ar] (;W[an];B[al]) (;W[al];B[an])) (;W[ar];B[ap] (;W[an];B[al]) (;W[al];B[an]))) (;W[an];B[am];W[ap];B[co] (;W[ao];B[ar]) (;W[ar];B[ao])))) (;W[an];B[am]) (;W[dm];B[bo]) (;W[am];B[bo] (;W[dm];B[an]) (;W[an] (;B[dm]) (;B[ao])))) (;W[bo];B[bn] (;W[ao];B[co] (;W[an];B[am]) (;W[ap];B[aq]) (;W[aq];B[ap]) (;W[am];B[an]) (;W[dm];B[dn]) (;W[dn];B[dm])) (;W[dm];B[ao] (;W[aq];B[co]) (;W[dn];B[cn]) (;W[am])) (;W[dn];B[dm] (;W[co];B[cn]) (;W[ao];B[co])) (;W[an];B[am] (;W[ap];B[aq]) (;W[ao];B[co] (;W[dn];B[dm] (;W[al];B[cn]) (;W[aq];B[ap]) (;W[gp];B[aq] (;W[al];B[ap]) (;W[ar];B[ap]))) (;W[dm];B[dn] (;W[al];B[ap]) (;W[ap];B[aq]))) (;W[co];B[ao] (;W[aq];B[cn]) (;W[dn];B[cn]) (;W[dm];B[dn];W[aq];B[ap])) (;W[dn];B[dm] (;W[co];B[cn]) (;W[ap];B[co] (;W[aq];B[ao]) (;W[ao];B[aq])) (;W[ao];B[co] (;W[al];B[cn]) (;W[aq];B[ap]) (;W[gp];B[aq] (;W[al];B[ap]) (;W[ar];B[ap]))))) (;W[co];B[cn] (;W[dm];B[ao]) (;W[ao];B[dm] (;W[am];B[an]) (;W[aq];B[ap])))) (;W[co] (;B[bo] (;W[dn];B[cn]) (;W[cn];B[dn] (;W[bn];B[an]) (;W[an];B[am])) (;W[dm];B[dn];W[bn];B[an];W[al];B[am] (;W[aq];B[ap]) (;W[ap];B[aq])) (;W[an];B[am] (;W[dn];B[cn]) (;W[dm];B[dn])) (;W[bn];B[am] (;W[dn];B[cn]) (;W[dm];B[dn];W[al];B[cn]))) (;B[cn] (;W[bo];B[ao];W[aq];B[dm];W[an];B[bn]) (;W[dn];B[dm];W[bo];B[ao];W[aq];B[bn]) (;W[dm];B[bo];W[an];B[am]))) (;W[dn];B[cn] (;W[bo];B[ao] (;W[am];B[an] (;W[aq];B[dm]) (;W[dm];B[aq])) (;W[aq];B[dm]) (;W[bn];B[an] (;W[dm];B[aq]) (;W[aq];B[dm])) (;W[an];B[am] (;W[ap];B[aq] (;W[dm];B[ao]C[Black get's a ko. You can do better]) (;W[ao];B[dm])) (;W[bn];B[dm];W[ap];B[aq]) (;W[dm];B[bn])) (;W[ap];B[aq];W[an];B[am] (;W[dm];B[bn]) (;W[ap];B[dm]) (;W[al];B[dm]) (;W[bn];B[co]) (;W[co];B[bn])) (;W[dm];B[bn]LB[aq:A]LB[am:B]C[A & B are miai for Black])) (;W[an];B[am] (;W[dm];B[bo]) (;W[bo];B[dm] (;W[ap];B[aq]) (;W[ao];B[aq];W[co];B[ap] (;W[al];B[bn]) (;W[ar];B[bn]) (;W[gp];B[bn])) (;W[aq];B[ap]) (;W[bn];B[ao];W[ap];B[aq]))) (;W[aq];B[ap];W[am];B[an];W[bo];B[dm] (;W[ao];B[bn]) (;W[bn];B[ao])) (;W[dm];B[bo] (;W[an];B[am]) (;W[am];B[an]) (;W[ao];B[an]))) (;W[cn];B[bn] (;W[dn];B[dm] (;W[bo];B[co]) (;W[ao];B[bo] (;W[an];B[am] (;W[ap];B[aq]) (;W[aq];B[ap])) (;W[ap];B[aq] (;W[an];B[am]) (;W[am];B[an])) (;W[aq];B[ap];W[am];B[an]) (;W[am];B[an];W[aq];B[ap]))) (;W[dm];B[dn] (;W[ao];B[bo] (;W[an];B[am]) (;W[am];B[an]) (;W[ap];B[aq]) (;W[aq];B[ap])) (;W[bo];B[co])) (;W[co];B[dn];W[bo];B[ao]) (;W[am];B[dn] (;W[an];B[ao] (;W[aq];B[co]) (;W[dm];B[co])) (;W[ao];B[an] (;W[bo];B[co]) (;W[aq];B[ap] (;W[dm];B[co]) (;W[bo];B[co])) (;W[ap];B[aq] (;W[bo];B[co]) (;W[dm];B[co])) (;W[dm];B[co] (;W[ap];B[aq]) (;W[aq];B[ap]))))) (;W[an];B[bn] (;W[am]) (;W[ao];B[am];W[bo];B[co] (;W[dn];B[dm]) (;W[dm];B[dn] (;W[al];B[ap]) (;W[ap];B[aq]))) (;W[ap];B[bo])))