(;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:C][rd:B][re:D]C[Last week we had a look at what happens when white invades at A. Today we will have a look at B.]
;W[rd]LB[qd:A][qe:B][rf:C]C[This is the most common move. It is called a submarine. Black can answer at A, B or C. Let's s have a look.]
(;B[qd]
(;W[re]
;B[rc]
;W[rb]C[First white plays a test move here]
(;B[qc]
;W[qh]LB[sc:A]C[Joseki, later A is big endgame])
(;B[sc]C[If black plays here there is too much aji]
;AW[jc]C[When white gets a move around here, he has a strong move available.]
;W[nb]C[What a master play]
(;B[mb]
;W[oc]
(;B[nd]
;W[qc])
(;B[ob]
;W[pb]
;B[na]
;W[qc]))
(;B[ob]
;W[pb]
;B[pc]
;W[oa]
;B[oc]
;W[qb]
;B[qc]
;W[mb])))
(;AW[qi]LB[qi:A]C[if white already has A]
;W[rc]C[white can extend]
;B[re]
;W[rf]
;B[qf]
;W[se]
;B[qe]
;W[rg]C[Good for white.]))
(;B[qe]
;W[re]
;B[rf]
;W[qf]
(;B[rg]C[This extension is more common.]
;W[pc]
;B[oc]
;W[pb]
;B[rb]
;W[rc]
;B[pf]
;W[sb]C[White lives, a joseki.])
(;B[qg]C[A special strategy.]
;W[pf]
;B[rh]
;W[pc]
;B[qc]
(;W[qb]LB[pb:A]C[If white has a ladder breaker w can play here. The ladder we talk about is when black plays at A.]
;B[qd]
;W[rc]
;B[pb]C[Black has to play here]
;W[oc]
;B[rb]
;W[od]
;B[qa]
;W[pe]
;B[qb]
;W[ob]
;B[sc]
;W[ne]C[This is a nice result for white.])
(;W[qd]
;B[pb]
;W[pe]
;B[oc]C[Without ladder breaker white plays like this. Black must attack white now.])))
(;B[rf]
(;W[qe]C[This move is usually not good. ]
;B[qc]
;W[pe]
;B[pg]
;W[ne]C[Black attacks in great style.])
(;W[qc]C[Playing at 3-3 first is proper play.]
;B[pc]
(;W[qe]
;B[qd]
;W[re]
;B[rc]
;W[pe]
;B[pg]
;W[ne]
;B[ld]LB[qg:A]C[A similar result as before, but white is stronger as he has A available.])
(;W[rb]
;B[qf]
;W[pb]
;B[ob]C[White can tenuki and leave a ko or live.]
;W[pa]C[Joseki.]))))
