(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[백 Cho Hye Yeon 9p]PB[흑 my friends 2dan]
;B[pd]
;W[dd]
;B[qp]
;W[dp]
;B[oq]
(;W[qj]C[In conclusion, many people avoid this white's move. There must be the reason you cannot see this move in the contemporary opening. 
]
;B[fc]
(;W[cf]
;B[qh]
;W[qm]
;B[jd]
(;W[qf]C[When white invades here...
]
(;B[nd]C[Professionals just love this move! 
]
;W[qc]
;B[qd]
;W[rd]
;B[pc]
;W[rb]
;B[qb]
;W[rc]C[This is a following jeongsuk(joseki). And then...
]
;B[pb]C[I recommend you to connect here. This seems to be an endgame move early in the opening, but it actually attacks the group of white. 
]
(;W[pf]
;B[oh]
;W[nf]
;B[oj]C[Sometimes follwing the sequence of pro's games can be helpful to you. This is the sequence of the official matches.
])
(;W[of]
(;B[re]
;W[qe]
;B[rf]
;W[rg]
;B[qg]
;W[sf]
;B[pf]
;W[se]
;B[pe])
(;B[pf]
;W[pg]
;B[rf])))
(;B[pf]))
(;W[hc]
;B[he]C[I really like this knight's move. Let's look into it. 
]
(;W[gd]
;B[cc]
;W[dc]
;B[db]
;W[cd]
;B[bb]
;W[bc]
;B[cb]C[Black feels great because he occupies the corner.
])
(;W[ec]
;B[fd]
;W[hb]C[White's great tesuji! 
]
;B[fb]
;W[kc]C[It appears that white is good, but...
]
;B[mc]
;W[kd]C[After the exchange of black's approach for white's response...
]
;B[de]
;W[ce]
;B[cc]C[Black's invasion at 3-3 after the exchange of the attachment is great!
]
(;W[dc]
;B[cd]
;W[ee]
;B[df]C[The ladder is favorable to black, so white is greatly in danger now.
])
(;W[cd]
;B[dc]
;W[bc]
;B[ed]
;W[bb]C[White should follow this sequence, and ]
;B[je]
;W[ke]
;B[jg]C[Black keeps attacking white. So far, so good.
])
(;W[ee]
;B[dc]
;W[dj]C[We can anticipate this sequence. ]))
(;W[jc]
;B[kc]
;W[kd]C[White's attachment is also a tesuji.
]
(;B[ic]
;W[jb]
(;B[je]
;W[ib]
;B[ld]
;W[ke]C[What white want is this one. The ladder is not working. 
])
(;B[id]
;W[lc]
;B[ib]
;W[kb]C[White is satisfied with this result.
]))
(;B[je]C[Black should play here.
And then...
]
(;W[lc]
;B[kb]
;W[lb]
;B[jb]
;W[ic]
;B[ld]
;W[ke]
;B[kf]
;W[le]
;B[md]C[White is in danger now.
]
(;W[ib]
;B[lf]
;W[me]
;B[ne]C[The ladder is favorable to black.
])
(;W[lf]
;B[mc]
;W[jf]
;B[hd]C[White is totally destroyed. 
]))
(;W[pc]C[This is the highest level of the tesuji.
It means...
]
(;B[qc]
;W[oc]
(;B[qd]
;W[lc]
;B[kb]
;W[jb]
;B[ld]
;W[ke]
;B[lb]
;W[mc]C[Black is ruined
]
;B[md]
;W[nc]
;B[kf]
;W[le]
;B[me]
;W[lf]C[The ladder is favorable to white! 
])
(;B[lc]
;W[qd]
;B[qe]
;W[rd]
;B[rc]
;W[re]
;B[qf]
;W[rb]C[Black isn't happy.
]))
(;B[oc]C[Usually black blocks here.
]
;W[od]
;B[nc]
;W[qc]
;B[qd]
;W[rd]
;B[re]
;W[rb]C[Black doesn't feel good due to the bad potential. ]
;B[qf])))
(;B[lc]C[Many people play in this way.
]
(;W[id]
;B[je]
;W[ie]
;B[if]
;W[jf]
;B[ke]
;W[hf]
;B[ig]
;W[ge]
;B[hg]
;W[gf]
;B[jb]
;W[ic]C[Not to mention white is bad.
]
;B[kf])
(;W[qf]C[White usually plays in this way.
White leaves a bad potential on the upper side. ])))))
(;W[hc]C[Some belligerent players play pincer at this time. 
]
;B[cc]
;W[dc]
;B[cd]
;W[de]
;B[db]
;W[eb]
;B[cb]
;W[ec]
;B[cf]
;W[qf]
;B[nc]
;W[rd]
;B[jc]C[Well, this is a beautiful opening. ]))
(;W[qf]C[People prefer this approach move to the dividing move in the right side. 
This move is speedy, active, influential and inspirational. We will see what happens next. ]))
