(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[Baduk]PB[Movies]
;B[pd]
;W[dp]
;B[pp]
;W[dd]
;B[nc]LB[qc:A][qd:D][rd:B][re:C]C[In previous episodes we had a look at A and B. Now lets see C and D.]
(;W[re]
(;B[rd]
(;W[qe]
;B[qd]
;W[qi]C[Possible, but blacks corner is very big.])
(;W[qd]
(;B[qc]
;W[qe]
;B[rc]
;W[pe]
;B[od]
;W[qi]C[Blacks corner is smaller compared to previous variation.])
(;B[qe]C[But black can atari from this side instead.]
;W[qc]
;B[rc]
;W[pe]
;B[qf]
;W[pc]
;B[od]
(;W[rb]C[possible to live in the corner]
;B[rf]
;W[sc]
;B[se]
;W[qa]LB[nb:A]C[Better for black. A is blacks sente])
(;W[rf]
;B[rb]
;W[qg]
;B[pf]
;W[og]
;B[of]
;W[nf]
;B[pg]
;W[ph]
;B[oe]LB[oh:A][qh:B]C[White reinforces at A or B. This used to be a popular joseki, but blacks corner is big.]))))
(;B[qe]
;W[rd]
;B[rf]C[Reversal]
;W[qf]
(;B[qg]
;W[pf]
;B[rh]
;W[pc]
;B[qc]
;W[qd]
;B[pb]
;W[pe]
;B[oc])
(;B[rg]
;W[pc]
;B[oc]
;W[pb]
;B[rb]
;W[rc]
;B[pf]
;W[sb]))
(;B[qd]
;W[qh]
;B[cj]LB[rc:B][rd:A]C[White can choose between A or B.]))
(;AW[qj][pp]AB[qh]
;W[rf]LB[qc:A][rh:B]C[In some special occasions this is a nice move as well. It aims at A and B, see move 147 in the game of wonder prodigy Xie Erhao 1p in the bonus tab.])
(;W[qd]
(;B[qc]
;W[qe]
;B[rc]
;W[pe]
;B[od]
;W[qi])
(;B[qe]
(;W[pc]
;B[od]
;W[rc]
;B[re]
;W[ob]
;B[nb]
;W[qb]C[Joseki.])
(;W[re]
(;B[rd]C[reversal of moves.]
;W[qc]
;B[rc]
;W[pe]
;B[qf]
;W[pc]
;B[od]
;W[rf]
;B[rb]
;W[qg]
;B[pf]
;W[og]
;B[pg]
;W[ph]
;B[of]
;W[nf]
;B[oe]
(;W[qh])
(;W[oh]))
(;B[pe]
;W[rd]
;B[rf]
;W[pc]
;B[oc]
;W[pb]LB[rb:A]C[Joseki. White still has aji at A. Black can make a one move approach ko.])
(;B[qc]
;W[rd]
(;B[qf]
;W[rf]
;B[qg]
;W[qb]LB[pc:B][rc:A]C[Black plays A for terrirtory and B for influence]
(;B[rc]
;W[pc]
;B[pb]
;W[oc]
;B[rb]
;W[od]
;B[pe]
;W[ob]
;B[qa]
;W[oe])
(;B[pc]
;W[rc]
;B[pb]
;W[rb]C[Joseki.]))
(;B[pe]
;W[rc]
;B[qb]
;W[qg]C[Also possible.]))))))
