(;AB[sp]AB[ps]AW[pq]AW[pr]AW[qr]AW[rq]AW[rp]AB[ro]AB[rn]AW[qo]AW[po]AB[qn]AB[pn]AB[on]AB[op]AB[oq]AB[or]AB[mr]C[Black to kill]AP[goproblems] (;B[rr]C[] (;W[rs]C[CHOICE] (;B[sr];W[sq];B[qp];W[ss];B[pp]C[RIGHT]) (;B[qp];W[sr])) (;W[sr]C[CHOICE] (;B[rs];W[qs];B[pp];W[ss];B[qp]C[RIGHT]) (;B[pp];W[rs]))) (;B[pp];W[qp] (;B[rs];W[qs];B[rr];W[os];B[sq];W[sr]C[What a shame black didn't have a stone at p5...]) (;B[sr];W[sq];B[rs];W[qs];B[oo];W[so]) (;B[rr];W[rs];B[sr];W[sq]) (;B[oo];W[qs])) (;B[qp];W[pp] (;B[rr];W[sr];B[rs];W[qs]C[If only Black had a stone at p5 this could've been possible...]) (;B[sr];W[sq] (;B[rr];W[so];B[qs];W[rs]C[Sorry...]) (;B[rs];W[qs];B[oo];W[so]C[Nothing])) (;B[rs];W[qs];B[sr];W[sq];B[oo];W[so]C[Nothing])) (;B[sq];W[sr];B[rs];W[qs]) (;B[rs];W[qs];B[pp];W[qp];B[rr];W[os];B[sq];W[sr]) (;B[sr];W[sq];B[qp];W[pp] (;B[rr];W[so];B[qs];W[rs]C[Sorry...]) (;B[rs];W[qs])) (;B[oo];W[pp]))