(;AB[rs]AB[rr]AB[rq]AB[pq]AB[pp]AB[op]AB[np]AB[mq]AB[mr]AB[ls]AB[kr]AB[kq]AB[lq]AW[mp]AW[lp]AW[kp]AW[jp]AW[jq]AW[jr]AW[js]AW[ks]AW[ns]AW[nr]AW[nq]AW[oq]AW[qr]C[Black to Live]SZ[19]
(;B[or];W[pr]
(;B[ps]
(;W[os]
(;B[qs]C[RIGHT])
(;B[qq];W[qs]))
(;W[qs];B[qq]))
(;B[os];W[ps]
(;B[os];W[or];B[qq];W[ms])
(;B[or];W[os];B[qq];W[ms]))
(;B[qs]
(;W[ps];B[qq];W[os]C[Seki but you can do better])
(;W[os]C[mistake by white, and revert to correct answer];B[ps]))
(;B[qq];W[os];B[qs];W[ms]C[2 stones is not enough]))
(;B[os]
(;W[pr]
(;B[qs];W[ps];B[qq];W[or]C[seki, you can do better])
(;B[or];W[ps]
(;B[os];W[or];B[qq];W[ms])
(;B[or];W[os];B[qq];W[ms]))
(;B[ps];W[qs];B[qq];W[or]
(;B[os]C[seki, you can do better])
(;B[ps]C[seki, you can do better]))
(;B[qq];W[qs]C[seki, you can do better]))
(;W[or]C[wishful thinking, white won't play this way];B[pr];W[ps];B[qs]))
(;B[pr];W[ms]))