(;SZ[19]AB[os]AB[ms]AB[lr]AB[ks]AB[jr]AB[jq]AB[kp]AB[lq]AB[mp]AB[ko]AB[kn]AB[qn]AB[rm]AB[sn]AB[pn]AB[ql]AB[pl]AB[qp]AB[sm]AB[om]AW[lp]AW[lo]AW[mo]AW[nn]AW[oo]AW[mq]AW[mr]AW[or]AW[po]AW[qo]AW[rp]AW[rn]AW[ro]AW[pp]AW[so]AW[mm]LB[os:1]C[How should white answer black 1?]FF[4]GM[1]AP[Jago:Version 4.15]GN[goproblem_x02]PL[W]
(;W[nr];B[ns]
(;W[ps];B[ls]
(;W[pr]C[RIGHT])
(;W[qr]C[RIGHT])
(;W[pq]C[A non-standard way of connecting, leaving the peek at 'a', but I can't say that it's wrong here.RIGHT]LB[qr:a])
(;W[qs]C[Oh yeah.RIGHT])
(;W[rr];B[pr];W[qs];B[qr];W[rs]C[Yup.RIGHT])
(;W[rs]C[Hm hm.RIGHT]))
(;W[pr];B[ps]C[White loses 2 points.]))
(;W[ps];B[nr]
(;W[nq];B[oq]
(;W[ns];B[np]C[A ko appeared in white's territory.])
(;W[np];B[pr])
(;W[pr];B[np]))
(;W[np];B[pr]C[A ko appeared in white's territory.]))
(;W[pr];B[ps]C[White loses 2 points.])
(;W[oq];B[qs])
(;W[pq];B[ps]))