(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]

;B[pd]
;W[dd]
;B[pp]
;W[dp]
;B[fc]
;W[cf]
;B[db]
;W[qf]
;B[nd]
;W[cc]
;B[ic]
;W[rd]
(;B[cn]
;W[co]C[Good move or bad?

Many kyu players play this move in the opening.
But it is said that this is a bad move.
Is it really a bad move?  ]
;B[dn]
;W[fq]
;B[cj]C[This is expected

And if white tenukis now, white's previous 2 moves are not good. ]
(;W[nq]
;B[qn]
;W[kp]
;B[cq]C[not easy to answer for white]
(;W[dq]
;B[bo]C[not good for white]
(;W[bp]
;B[cp]
(;W[do]C[Bad.]
;B[bq]C[Good for black.])
(;W[bq]C[Joseki.]
(;B[do]
;W[cr]C[Good for black.])
(;B[cr]C[Bad.]
;W[do]LB[bn:A][br:B]C[Very good for white. A and B are miai.])))
(;W[cp]C[Another joseki.]
;B[bp]
;W[bq]))
(;W[bo]C[there are many and complicated variations.

 ]
(;B[er]TR[cj][cn][dn]C[difficult to capture black

We can expect black to get the corner and white gets influence. But it is not easy for white to attack the marked stones with his influence.]
(;W[fr]C[not good]
;B[eq]
;W[ep]
;B[br]
(;W[go]
;B[bp]C[good for black])
(;W[aq]
;B[fp]C[painful for white]))
(;W[dq]
;B[dr]
;W[bq]
;B[br]
;W[cp]
;B[cr]
;W[fo]
;B[fr]
;W[gq]
;B[aq]C[normal ])
(;W[eq]C[normal and good answer in this position]
(;B[fr]
;W[dr]
;B[gq]C[possible])
(;B[dq]C[in some cases, this is possible but very compricated]
;W[fr]
;B[do]
;W[cp]
;B[ep])))
(;B[eq]C[simple move]
(;W[ep]
;B[er]
;W[fr]
;B[br]
(;W[go]
;B[bp])
(;W[aq]
;B[fp]))
(;W[dq]
;B[er]
;W[dr]
;B[ep]C[good for black]))))
(;W[cl]LB[bl:B][dl:A]C[this is a good continuation

Black can answer at A and B.]
(;B[dl]
;W[bn]
;B[bm]
;W[bo]C[white should play this way.
black can tenuki or answer locally]
(;B[nq]C[if tenuki,]
(;W[bl]
;B[dk]C[big])
(;W[dk]C[sometime possible]
;B[ck]
;W[bl]
;B[cm]
;W[am]
;B[ek]C[ladder but]
;W[hd]C[good ladder breaker]))
(;B[bl]LB[cf:A]C[safe move but white will be satisfied with A in position]))
(;B[bl]C[good answer and both will tenuki for some times]
(;W[bn]
;B[bm]
;W[bo]C[black can tenuki]
;B[qc]
;W[qi]
;B[nq]
;W[cm]C[if white cut,]
(;B[ck]
;W[dl]
;B[fn]C[a fight, but not necessary for black to play this way])
(;B[dl]
;W[ck]
;B[dk]
;W[bk]
;B[bj]
;W[am]
;B[dm]
;W[al]
;B[ei]C[enough for black]))
(;W[bm]
;B[bn]
;W[bk]
;B[dl]
;W[ck]
;B[dk]
;W[bj]
;B[ci]C[good for black])
(;W[qc]C[white also can tenuki]
(;B[cq]LB[bl:B][cl:A]C[not good because  A and B exchange]
;W[dq]
;B[bo]
;W[bp]
;B[cp]
;W[do]
;B[bq]
;W[bn]
;B[ap]
;W[bm]
(;B[cm]
;W[en]
;B[dm]
;W[dl]
;B[em]
;W[el]
;B[fm]
;W[bk]C[bad for black])
(;B[dl]
;W[dm]
;B[en]
;W[cm]C[bad for black]))
(;B[bo]C[later black will play this way]
;W[bp]
;B[bn])))))
(;AW[dj]LB[dj:A]
;B[cn]
;W[co]
;B[dn]
;W[fp]
;B[cl]
(;W[bk])
(;W[ck]
;B[gn]
;W[ip]LB[ci:A][gq:B]))
(;AW[ci]LB[ci:A]
;B[cn]
;W[co]
;B[dn]
;W[fp]
;B[ck]))
