(;AB[sr]AB[rr]AB[qq]AB[pq]AB[nr]AB[mr]AW[ls]AW[lr]AW[lq]AW[mq]AW[sq]AW[rq]AW[rp]AW[qp]AW[pp]AW[op]AW[np]AW[mp]C[Can you kill the corner?]AP[goproblems]
(;W[ms];B[pr];W[qs];B[ps];W[rs];B[ns])
(;W[ns];B[or])
(;W[os];B[pr])
(;W[ps];B[pr])
(;W[qs];B[qr]
(;W[rs];B[oq])
(;W[ps];B[pr]))
(;W[ss];B[qs])
(;W[or];B[pr]
(;W[qs];B[oq])
(;W[ps];B[oq])
(;W[oq];B[qs]))
(;W[pr];B[qr]
(;W[or];B[oq]
(;W[nq];B[os];W[ns];B[ps];W[or];B[pr];W[ms];B[rs])
(;W[os];B[ns])
(;W[ps];B[qs])
(;W[ns];B[ps])
(;W[qs];B[os]))
(;W[oq];B[or])
(;W[os];B[or])
(;W[ps];B[or])
(;W[qs];B[or]))
(;W[qr];B[pr])
(;W[nq];B[or])
(;W[oq];B[or])
(;W[rs]
(;B[qs]C[CHOICE];W[ps]
(;B[pr]C[CHOICE];W[qr]MA[qs]C[Ko. This is the best for both. Good work! :)RIGHT])
(;B[qr]C[CHOICE]
(;W[oq];B[or])
(;W[ns];B[or])
(;W[or];B[oq]
(;W[ns];B[pr]C[:(])
(;W[os];B[ns])
(;W[nq]C[Black can't approach. Good work! (Black made a mistake at R2 though)RIGHT])))
(;B[ss]
(;W[pr];B[or];W[oq]C[RIGHT])))
(;B[qr]C[CHOICE]
(;W[qs];B[os])
(;W[ps];B[oq])
(;W[os];B[or])
(;W[ns];B[or])
(;W[ms];B[or])
(;W[nq];B[or])
(;W[oq];B[or])
(;W[or];B[oq]
(;W[ps];B[pr];W[ns];B[qs])
(;W[os];B[nq])
(;W[ns];B[pr]
(;W[ps];B[qs]C[:(])
(;W[os];B[nq];W[ms]C[Good work! (Black made a mistake at R2 though)RIGHT]))))))