(;LB[lc:3][nc:2][rd:4][re:5][qf:1][yy:0]C[White played 5. How should Black respond? ] AB[nc][pd][rd] AW[lc][re][qf][qi] PB[Black] PW[White] KM[0] (;B[qd] MN[1] CR[qd];W[nb] CR[nb](;B[ob] CR[ob];W[nd] CR[nd](;B[oc] CR[oc];W[of] C[RIGHT Black gets a solid corner but White gets a nice position on the outside. (There's still a mayor gap at n16 to aim at for Black so White's position is not that impressive.)] CR[of])(;B[mc] ;W[md] ;B[mb] C[RIGHT Black gets a solid corner but White gets a nice position on the outside.] ;W[of] C[RIGHT Black gets a solid corner but White gets a nice position on the outside. (Although White is stronger than before Black has more territory and he still has the cut at m16 to aim at. If White want to keep the center influence intact after the cut, he should continue by pushing along the 5th line giving black a very nice 3rd line territory.)] ))(;B[mb] ;W[mc] ;B[ob] ;W[nd] ;B[oc] ;W[of] C[White gets too much influence this way. (Black gains a little territory compared to the 1st variation but there are hardly any weaknesses left in the White position. Therefore this is not good.)] ))(;B[qe] CR[qe];W[rf] CR[rf]LB[rf:2](;B[pf] CR[pf];W[pg] CR[pg](;B[og] CR[og];W[of] LB[of:6];B[pe] LB[pe:7];W[ph] ;B[nf] C[RIGHT You should note however that white has a lot of aji in the corner.] )(;B[of] C[RIGHT You should note however that white has a lot of aji in the corner. Black 5 can be considered to be a little slack but that's a fairly minor point.] ))(;B[ne] C[RIGHT You should note however that white has a lot of aji in the corner.] CR[ne])))