(;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]C[This week we are proud to introduce a very strong player: 
Cho Hye Yeon, 9p in Korea. 
She was born in 1985 and became a professional player when she was 12 years old.
In 2010 she became a 9dan professional and she is one of the strongest female go players in the world.
]
;B[pd]
;W[dd]
;B[qp]
;W[dp]
;B[oq]C[This is 1-3-5 opening with Black's enclosure. And then...
]
(;W[qj]C[Once upon a time, nine out of ten people played here. However...
]
;B[fc]
;W[cf]
;B[qh]
;W[qm]
;B[jd]C[I am not saying that white is bad. But the tendency of the contemporary opening prefers black. Black is rigorous on the whole. After that...
]
(;W[fq]
;B[pl]
;W[ql]
;B[pj]C[The marked stone is a great tesuji(mack in Korean) in combination with the move 13. 
]
;W[pk]
;B[ok]
;W[qk]
;B[pi]
;W[ol]
;B[nk]C[Black feels good. Afterwards...
]
;W[pc]
;B[qc]
;W[oc]
;B[qb]
;W[ne]
;B[mc]
;W[pe]
;B[od]
;W[nd]
;B[oe]
;W[of]
;B[qd]
;W[nc]
;B[nf]
;W[lc]C[We can expect the follwoing sequence. It is hard to say that black is ahead, but professionals do not play their games in this way, 'for some reason'. ])
(;W[hc]C[This move is quite offensive. In that case...
]
;B[hd]
;W[id]C[White's wedging move is obvious. 
]
(;B[ic]
;W[ie]
;B[hb]
;W[jc]
;B[gc]
;W[ib]C[The ladder is favorable to white.
If black fights a ko-fight- 
]
(;B[kc]
;W[hc]
;B[dc]C[Black's attachment is a good ko threat. However...
]
(;W[kd]C[White makes eye shape with this move]
;B[cc]
;W[ci]C[White is not bad at all.
])
(;W[ic]C[This is heavier for white]))
(;B[hc]C[Not good for black]
;W[kd]C[If black connects the ko, white plays a dansoo(atari in Japanese).
]
(;B[pk]
;W[qk]C[This move is not a ladder-breaker.
])
(;B[pj]
;W[pk]
;B[je]
;W[jf]C[The attachment in the right side is not a ladder breaker, either. ])))
(;B[ie]C[This dansoo is recommended.
]
;W[ic]
;B[jc]
;W[gd]
;B[he]
;W[gc]
;B[je]
(;W[fd]
;B[pl]
;W[ql]
(;B[pk]C[I don't think that this is good for black.
]
;W[pj]
;B[qk]
;W[rk]
;B[rl]
;W[rj]
;B[rm]
;W[rn]
;B[qn]
;W[pm]
(;B[ro]
;W[pn]
;B[sn]
;W[nk]
;B[ol]
;W[nm]C[See? Black is dead! 
])
(;B[om]
;W[pn]
;B[on]
;W[po]C[Black is totally ruined.
]))
(;B[pj]C[This move is a right direction. 
]
;W[pk]
;B[ok]
;W[qk]
;B[pi]
;W[ol]
;B[nk]
(;W[qc]C[3-3(san-san) is great.
]
;B[pc]
;W[qd]
;B[qf]
;W[qe]
;B[pe]
;W[rf]
;B[rg]
;W[pf]
;B[qg]
;W[pb]
;B[ob]
;W[qb]
;B[nc]C[In my personal opinion, black feels better. If you stick to the territory in your Baduk, maybe taking white will be beneficial to you. ])
(;W[om])))
(;W[oj]C[If white occupies here...

]
;B[dc]
;W[cc]
;B[ed]
;W[db]
;B[ec]
;W[de]
;B[ee]
;W[ef]
(;B[cb]
;W[bb]
;B[ge]C[This is a jeongsuk(joseki in Japanese). 
]
;W[fe]C[If white wedges here...
]
;B[ff]
;W[fd]
;B[eg]
;W[df]
;B[eb]
;W[ca]
;B[gb]C[White is in trouble.
])
(;B[ge]
;W[qc]C[Well, white sacrifices the upper side. Black feels good! 
]))))
(;W[qf]C[If white invades here...
]
;B[pf]C[What black wants is...
]
(;W[pe]
;B[oe]
;W[qe]
;B[pg]
;W[qd]
;B[pc]
;W[qc]
;B[qb]
;W[rb]
;B[pb]
;W[rg]
;B[rh]C[What black wants is this sequence. Later...
]
;W[fq]
;B[ra]
;W[sb]
;B[sg]
;W[sf]
;B[qg]
;W[sh]
;B[si]
;W[sd]
;B[sg]
;W[rf]
;B[oj]C[As you know, black's influence is overwhelming. White is not good, indeed. 
])
(;W[qc]C[This move is anticipated. And then...
]
(;B[qe]
(;W[oc]
(;B[mc]
;W[pc]
;B[rd]
;W[rc]C[This is another form of jeongsuk(joseki).
])
(;B[pc]
;W[pb]
(;B[qb]
;W[rb]
;B[ob]
;W[qa]
;B[nc]C[This is not good for black. Later on, white can take advantage of the ladder-breaker.
])
(;B[ob]
;W[nb]
;B[qb]
;W[oa]
;B[rc]C[Black does not need to cut at white's weak point. This is not good for black.
For example...
]
;W[pg]
;B[qg]
;W[of]
;B[rf]
;W[qa]
;B[rb]
;W[od]C[Black is greatly over-concentrated.
])))
(;W[ob]C[White's knight's move is really bad, actually.
]
;B[pc]
;W[pb]
;B[rc]
;W[rb]
;B[qd]
;W[qb]
;B[mb]
;W[rd]
;B[re]
;W[sc]C[White is suffering from the second line. Black N-18 is a good move.
]))
(;B[pc]
;W[qd]
;B[pe]
;W[rf]
;B[oi]))))
(;W[qf]))