(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[White]PB[Black]
(;)
(;B[dp]
(;AE[dp]AW[lc][mc][jd][nd][od][pd][qd][jf][qg][pj]AB[nb][nc][pc][qc][rc][md][me][of][mg]TR[nd][od][pd][qd]C[Black to play.

Upper right corner
White has a weakness in his shape!

]
;W[]
(;B[qe]C[A nasty attack. White has no good answers.]
(;W[re]
;B[qf]
;W[rf]
;B[pg]
;W[rd]
;B[qh]
;W[rg]
;B[pi]C[Good enough for black.])
(;W[rd]
;B[re]
(;W[sd]
;B[pe]C[White is dead.])
(;W[se]
;B[sf]
;W[sd]
;B[qf]C[Also white died.])))
(;B[qf]C[Wrong move!]
;W[rf]
;B[pg]
;W[qh]
;B[qe]
;W[rd]
;B[re]
;W[se]
;B[rg]
;W[sf]
;B[rh]
;W[qi]C[It doesn't work for black.]))
(;AE[dp]
;W[qe]
;B[od]
;W[pc]
;B[oc]
;W[pb]
;B[ob]
;W[kc]C[This is an usual move by white, but it's possible. ]
(;B[qd]
;W[pd]
;B[pe]
(;W[rd]
;B[qf]
;W[re]
;B[pf]LB[rf:A]C[Later  black A is sente.]
;W[]
;B[rf]
;W[dd]
;B[rb]
(;W[rc]
;B[qb]
;W[qc]
;B[pa])
(;W[qb]
;B[rc]
;W[qc]
;B[ra]C[White has trouble.]))
(;W[qf]
;B[rc]C[Black can capture the 3 stones.])
(;W[pf]
;B[oe]
;W[re]
;B[rc]C[This is too painful for white.]
;W[qc]
;B[pa]
;W[rd]
;B[qb]
;W[qd]
;B[rb]C[Black gets the corner!]))
(;B[of]C[Bad.]
;W[pe]
;B[oe]
;W[qh]C[This is what white wants to have. Black is only heavy.])
(;B[pe]C[This looks also good.. but..]
(;W[qd]C[This is the right answer.]
;B[pg]
;W[qf]C[Still good for white.])
(;W[qf]C[Overplay]
;B[qd])
(;W[pd]C[Not good shape either.]
;B[qf]C[Double hane is perfect here.]
;W[pf]
;B[oe]
;W[re]
;B[rf]C[Black keeps the pressure on white. Good enough for B.])))
(;AE[dp]
;W[qd]
;B[nc]
;W[lc]
;B[qc]
;W[pc]
;B[pd]
(;W[qb]
;B[rc]
;W[od]
;B[pe]
;W[oc]
;B[rb]
;W[of]
;B[oe]
;W[ne]
(;B[qe]C[This is normal. The correct joseki move. ]
(;W[nd]C[White usually plays here. ])
(;W[nf]LB[jc:B][nd:A]C[White can also play here for outer influence. Note that there is big aji at A and B. ]))
(;B[pf]C[Your opponent can try to trick you like this. But it's a bad move. ]
(;W[pg]C[Hane looks like an overplay.. but it is the correct answer!]
(;B[nf]
(;W[qf]
;B[og]
;W[qe]
;B[of]
;W[ph]
;B[nd]
;W[nb]C[There is connection!]
(;B[me]
;W[pb]C[The corner is too big.])
(;B[ob]C[Black can try to cut!]
;W[pb]
;B[mb]
;W[oa]
;B[mc]
;W[me]C[white doesn't need to play in the corner.]
;B[lb]
;W[kc]
;B[qa]
;W[ra]
;B[sa]
;W[rd]C[The corner is at least seki.]
;B[sc]
;W[kb]C[Game over])
(;B[pb]
;W[ob]
;B[qa]
;W[me]C[Black can live the corner. but the center is too poor.]))
(;W[og]
;B[nd]C[White's intention^^. never happen]))
(;B[re]C[too passive]
;W[nf]C[Good for whtie]))
(;W[nd]C[Weak answer.]
;B[og]
;W[nf]
;B[ph]C[Black must be happy.])))
(;W[od]C[Wrong atari for white]
;B[pe]
;W[qb]
;B[oc]C[Black can cut!]
;W[rc]
;B[ne]))
(;W[fq]
;B[hq]
;W[dn]
;B[fp]
(;W[cp]
(;B[eq]C[Too weak!]
;W[cq]LB[gp:A][gq:B]C[White A. black B exchange is now bad. 
Later white can use the aji with B to connect.])
(;B[cq]C[Correct.]
;W[gp]
(;B[gq]C[This is white's hope! Don't cut here.]
;W[ep]
;B[fo]
;W[dq]
;B[do]
;W[eo]
;B[co]
;W[fn]
;B[go]
;W[bp]
;B[bo]
;W[bq]LB[do:A][hp:B]C[Very good for white.

White got the corner and  the black's A stones are heavy and there is still a weakness at B.])
(;B[fo]C[Right answer.]
;W[gq]
;B[eq]
;W[co]
;B[bq]LB[dk:A][ip:B]C[After that black A or B attack are miai.])))
(;W[gp]C[In the most common joseki, white first plays here.]
;B[gq]
;W[cp]
;B[eq]C[Now this is a good move by black.]
;W[cq]C[Black is solid and has sente.]
;B[pd]
;W[fr]C[White can use this technique to get stones on the outside.]
;B[er]
;W[fo]C[A sacrificing technique.]
;B[ep]))
(;W[cn]
;B[fp]
;W[ck]
;B[jq]
;W[gp]
;B[gq]
;W[hq]
;B[hp]
;W[go]
;B[ho]
;W[fq]
;B[gr]
(;W[gn]C[This is the normal move]
;B[fr]
;W[hn]
;B[jo]
;W[jn]
;B[ko]C[Normal result])
(;W[eq]C[Overplay]
(;B[ep]C[Good move!]
;W[hr]LB[gn:A]C[The ladder at A is good for white. but..]
;B[gn]
;W[fo]
(;B[fn]C[one more atari is good.]
;W[eo]
;B[dn]
;W[fr]
;B[do]
;W[gs]
;B[cm]C[This exchange is too good for B.])
(;B[en]
;W[fr]
;B[fn]
;W[gs]C[This is not enough for B.]))
(;B[fo]C[Bad exchange.]
;W[gn]
;B[hr]
;W[ep]
;B[eo]
;W[do]LB[en:A][dq:B]C[White A or B are miai.])))))
