(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[0.00]
PW[Park Junghwan]PB[Cheon Yaoye ]WR[9p]BR[9p]CP[Badukmovies]C[2013 Chinese A-League Round 21

2013-11-23

B: Cheon Yaoye
W: Park Junghwan]RE[B+Resign]
;B[qd]
;W[dd]
;B[pq]
;W[dq]
;B[nc]C[Cheon Yaoye's way of playing
]
(;W[qn]C[This move is more popular than the previous approach these days 
]
;B[qp]
;W[pj]C[the sequence of the actual match
]
;B[qh]
(;W[op]C[Incredible! Park Junghwan's challenge
]
;B[oq]
;W[mp]
(;B[do]C[So black plays tenuki]
;W[co]
;B[cn]
;W[cp]
;B[cf]
;W[di]
;B[dm]
(;W[fp]LB[nq:A]SQ[dm][cn][do]C[A becomes a big move and black is still weak on the left side.]
;B[fc]
(;W[ef]C[White did not choose the attachment with following reasons.
]
(;B[cd]
;W[cc]
;B[dc]
(;W[ec]
(;B[ed]C[That was why black chose to play here.
]
;W[db]
;B[de]
;W[dc]
;B[ee]
;W[fd]
;B[fb]
;W[fe]
;B[ic]
;W[dg]
;B[ff]
;W[gf]
;B[fg]C[A difficult fight appeared in the game.
In the end white resigned.
]
;W[gg]
;B[fh]
;W[gh]
;B[fi]
;W[df]
;B[ce]
;W[cg]
;B[bc]
;W[bb]
;B[ad]
;W[bf]
;B[be]
;W[af]
;B[ae]
;W[bh]
;B[ab]
;W[hd]
;B[gi]
;W[ba]
;B[id]
;W[ie]
;B[je]
;W[aa]
;B[eq]
;W[ep]
;B[eb]
;W[ac]
;B[dp]
;W[cq]
;B[ab]
;W[ea]
;B[fq]
;W[gp]
;B[ca]
;W[ac]
;B[dr]
;W[bd]
;B[cr]
;W[bn]
;B[bm]
;W[br]
;B[bo]
;W[bp]
;B[an]
;W[aq]
;B[gq]
;W[hp]
;B[hq]
;W[ip]
;B[bs]
;W[er]
;B[fr]
;W[as]
;B[ar]
;W[eo]
;B[dn]
;W[as]
;B[jq]
;W[cs]
;B[es]
;W[jp]
;B[kq]
;W[kp]
;B[gm]
;W[oh]
;B[no]
;W[qf]
;B[pg]
;W[pd]
;B[pc]
;W[pe]
;B[od]
;W[og]
;B[oe]
;W[qc]
;B[rc]
;W[qg]
;B[re]
;W[ph]
;B[np]
;W[il]
;B[in]
;W[hn]
;B[hm]
;W[im]
;B[jn]
;W[mo]
;B[gn]
;W[nn]
;B[on]
;W[om]
;B[mn]
;W[nm]
;B[lo]
;W[lp]
;B[lm]
;W[ho]
;B[kl]
;W[fm]
;B[gk]
;W[jk]
;B[kj]
;W[ji]
;B[ki]
;W[jh]
;B[kk]
;W[kh]
;B[jm]
;W[fl]
;B[ik]
;W[hk]
;B[ij]
;W[hl]
;B[gl]
;W[hj]
;B[ek]
;W[jl]
;B[jj]
;W[hi]
;B[gj]
;W[li]
;B[lh]
;W[lg]
;B[mh]
;W[mi]
;B[ii]
;W[hh]
;B[ih]
;W[jf]
;B[kn]
;W[lq]
;B[nr]
;W[ig]
;B[mj]
;W[kr]
;B[iq]C[White resigned at this point.
])
(;B[db]
;W[ce]
(;B[de]
;W[bd]
;B[ed]
;W[cd]
;B[ee]
;W[df]
;B[ff]
;W[cg]
;B[ge]
;W[fm]C[White is better than black.
])
(;B[bd]
;W[ed]
;B[be]
;W[eb]
;B[cb]
;W[fm]C[Good for white])))
(;W[ce]SQ[nc][qd]C[The reason white didn't play here in this game is related to the upper right corner
]
(;B[de]C[First of all black can not play like this. It is a mistake]
;W[bd]
;B[ed]
;W[cd]
;B[ee]
;W[df]
;B[ff]
;W[cg]C[White is better.
])
(;B[bd]C[Black has to extend here]
(;W[ec]C[Not good for white]
;B[ed]
(;W[db]
;B[de]
;W[dc]
;B[ee]C[White is ruined.
])
(;W[de]
;B[eb]
;W[be]
;B[bc]C[It doesn't make any sense for white.
]))
(;W[de]
;B[be]
;W[ec]
;B[db]
;W[cg]
(;B[bf]
;W[eb]
;B[cb]
;W[fd]
;B[gn]SQ[nc][qd]C[Black secures a lot of territory. With the two strong marked stones in place the thickness white builds is difficult to use. If the upper right would be white it would be playable. See the recent kisei final in the bonus tab.
])
(;B[eb]C[Not good]
;W[bf]
;B[bc]C[Good for white]
;W[fm])))))
(;B[cc]C[Also possible]
;W[cd]
;B[dc]
;W[ed]
;B[bc]C[Black gains territory but white gets sente]
;W[fm]C[And attacks the lower right]))
(;W[df]C[What black wants is...
]
;B[dg]
;W[ef]
;B[ce]
;W[cd]
;B[eg]
;W[fd]
;B[gd]
;W[fg]
;B[ed]
;W[de]
;B[ch]
(;W[fe]
;B[fh]
;W[gg]
;B[ei]
;W[gc]
;B[gn]C[Black wants to play like this. Black seems active.
])
(;W[fh]
;B[cj]
;W[fe]
;B[ic]C[Black is not bad at all.
]))
(;W[fd]LB[fc:A][cf:B]C[Perhaps you have heard about the idea that you should attach to the strong side (A) in order to attack the weak side (B). However this case is an exception]
;B[gd]
;W[fe]
;B[cc]
(;W[ec]
;B[cd]
;W[gc]
;B[gn]SQ[di]C[Black is fine. The white marked stone is in a strange position.
])
(;W[cd]C[Blocking on this side is not good either]
;B[dc]
;W[ec]
;B[eb]
;W[ed]
;B[gb]C[Black gains a lot of territory. Blacks upper side works better together than white's left side.])))
(;W[fc]
;B[fp]C[Black feels good when he plays here.
]))
(;B[np]C[This would be the normal idea, but it only helps white in this case]
;W[no]
;B[nq]
;W[mo]C[White became stronger on his weak right side and it is hard to find a good move for black in this area.]
;B[pn]C[This cut for example is too much]
;W[po]
;B[qo]
;W[qm]C[White can fight]))
(;W[on]C[In many cases white plays here.
]
(;B[pm]C[Black can play here.
]
(;W[qm]
;B[co]LB[pn:A]C[It is also possible to think of. Black created aji at A
])
(;W[pn]
;B[mq]
(;W[ck]
;B[qk]
(;W[pk]
;B[qj]
;W[pi]
;B[qi]
;W[pl]
;B[og]C[Black is not bad.
])
(;W[qj]C[Mistake]
;B[pk]
;W[oj]
;B[nl]C[White is in trouble - white is split in two.
]))
(;W[rj]C[W chooses to play here sometimes.
]
;B[qk]C[But black still has tricks!]
;W[qj]
;B[rm]
;W[rn]
;B[ok]C[Later on, black finds out a bad aji here.
]
;AE[qh][pj][qj][rj][ok][qk][pm][rm][on][pn][qn][rn][qp][mq]
;W[po]C[A similiar situation can arise in another joseki]
;B[qo]
;W[qn]
;B[qp]
;W[pm]
;B[nq]
;W[qi]
;B[qg]
;W[oi]C[ A similar pattern can emerge in this position.]
;B[ql]
;W[rm]
;B[pj]
;W[pi]
;B[rj]
;W[ri]
;B[ol]C[Black has split white!]
;W[rk]C[White has a good try connecting here]
;B[rl]
(;W[qk]
;B[sk]
;W[pl]
;B[qj]
(;W[pk]
;B[oj]C[But white is still split])
(;W[oj]C[White could try to kill]
;B[pk]
;W[ok]
;B[om]C[But it would be an overplay. White is in trouble]))
(;W[sl]
(;B[qk]
;W[sj]C[In emergencies white could play this ko.])
(;B[sj]C[Black can not cut like this]
;W[qj]
;B[qk]
;W[si]C[This would be a snapback])))))
(;B[mq]LB[pm:A]C[Playing here instead of the peep at A is also seen much.]
;W[op]LB[pm:A]C[However it gives the possibility to white to play this timing move. This move makes a black peep at A less severe]
;B[oq]
;W[ck]C[A great opening
])))
(;W[po]C[If white approaches here...
]
;B[qo]
;W[qn]
;B[qp]
;W[pm]
;B[nq]
;W[qi]
;B[qg]C[Black likes to play in this way.
]
(;W[oi]C[Of course, white is not bad, and black focuses on the territory.
]
;B[co]C[Another opening
])
(;W[ck]
;B[ql]
;W[rm]
;B[pj]
;W[qj]
;B[qk]
;W[rk]
;B[rl]
;W[sl]
;B[rj]
;W[sk]
;B[pi]
;W[ri]
;B[qh]
;W[qc]
;B[pd]
;W[rd]
;B[re]
;W[ol]
;B[fc]C[Another opening - black and white are fine.
])))