This is part of Problem 4513. It's what happens when white plays incorrectly. Please comment on missed sequences.
(;AB[qo]AB[po]AB[pn]AB[on]AB[om]AB[pp]AB[pq]AW[qp]AW[qq]AW[pr]AW[pm]AW[qm]AW[rm]AW[qn]AW[ro]AW[nq]AB[jp]AB[rn]LB[rm:2]LB[rn:1]C[White has responded at 2 to black's play at 1. Black to humble white.]AP[goproblems]
(;W[sn]C[White is obviously in dire need of humility. Please give it to him.CHOICE]
(;B[qr];W[rq];B[rr];W[sp];B[or]C[Black takes the corner.RIGHT]))
(;B[so]C[White is cut, and black keeps sente since the corner group needs another move to live.RIGHT])
(;B[or];W[sp];B[qr];W[rr];B[ps]C[Gote and not much reduction or aji. The simple play is better.])))