(;AW[cr]AW[dq]AW[dp]AB[dr]AB[er]AW[cn]AW[cm]AB[dm]AB[dl]AB[ck]AB[br]AB[gq]C[How to handle A?]LB[br:A]AB[cj]AB[dk]AB[dj]AB[ej]AP[goproblems] (;W[cs];B[cq] (;W[bq];B[cp] (;W[bp];B[co] (;W[do]C[Well done! Caught in a ladder! :)RIGHT]) (;W[bo];B[do]C[:(])) (;W[co];B[bp]C[White's in serious trouble! :(]) (;W[ar];B[bp] (;W[bs] (;B[do]C[White crumbles! :(]) (;B[ap]C[If black fears the ko not... Could play this...])) (;W[aq];B[bs];W[as];B[ap]C[B wins the semai for the corner...]))) (;W[cp];B[bq]C[Here goes a part of the corner... And w needs to seek life...]) (;W[bp];B[bq]C[Here goes a part of the corner... And w needs to seek life...])) (;W[cq];B[cs]C[And white needs to worry for life...]) (;W[bq];B[cs]C[:(]) (;W[bs];B[cq]C[:(]) (;W[ds];B[cq]C[:(]))