(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[AGA]SZ[19]KM[7.50]TM[3600]OT[5x30 byo-yomi]
GN[WYGC Qualifier/USYGC finals- Jr. division]PW[Jeremy Chiu]PB[Aaron Ye]WR[1k]BR[3d]DT[2011-04-09]EV[USYGC Finals, Jr. Division]RO[Finals]AN[Feng Yun]US[Steve Burrall]RE[B+10.00]
;B[qd]
;W[dp]
;B[pq]
;W[dc]
;B[fq]
;W[cn]
;B[jp]
;W[od]
;B[ld]
;W[pg]C[This is the magic sword joseki. ]
;B[oe]
;W[ne]
;B[of]
;W[pd]
;B[qf]LB[qc:A]C[The magic sword joseki has many variations, and they are all complicated. A is the right move to continue,
Click A to see variations. ]
(;W[nf]LB[qc:A]C[Fewer people push here; the improved joseki is to play at A first, ]
;B[og]
;W[qc]
(;B[rd]LB[nc:C][nf:A][og:B]C[After A and B have been exchanged, Black is now willing to extend down.  Because of this, the right move order for White is to block at the corner first before pushing at A. 

Please click C to complete the joseki]
(;W[pb]LB[nc:B][rd:A]C[This is a wrong move for White to play. Since Black extended down at A, the corner now is open, so White should play at B to focus on the top. ]
;B[pj]
;W[id]LB[cf:B][po:A]C[Expanding the moyo at A is a big move for Black. Since Black's moyo is bigger than White's, this would be a good choice for Black. 

If Black wants to approach White's top left corner, I would prefer a loose approaching move at B. Click B to see more moves]
(;B[de]LB[cf:A][dg:B]C[Although, Black's one space approaching move looks "normal",  I think it is a mistake in this case. A loose approach at A would be better (see previous variation). 

White should consider a tight pincer at B, click B to continue,
]
(;W[dh]LB[dg:A]C[Since White has more stones around, pincer to attack is the right choice. White could also consider a tight pincer at A, that will give even more pressure on Black. ]
;B[fe]
;W[fc]LB[fh:A]C[This is not a good place for Black to fight, since White has many stones around. Black should play light and run at A. Please click A to continue.
]
(;B[cc]
;W[cb]
;B[cd]
;W[bb]LB[fh:A]C[A is the right shape. ]
(;B[gg]LB[gc:A][ef:B]C[Black is aiming at A, so White has to do something here to prevent Black's attachment at A.  

The best defence is attacking, so White should attack at B, which will help protect the top. Click B to continue.]
(;W[fi]LB[gc:A]C[White's move is too loose, it did not help much to protect the left side since Black can still invade easily, also it did not prevent a Black attachment at A. 
Click A to continue.]
(;B[ig]LB[gc:A]C[This is a "dancing move", Black missed a big "punch" at A. ]
;W[po]C[Last open corner. A big move. ]
;B[pm]C[Pincer is a good move. ]
;W[no]
;B[nq]
;W[qq]
;B[qr]LB[gc:B][ef:A]C[White should tenuki here as this group is still light and flexible. White needs to do something to protects the top and prevent Black's attachment at B.  White starts with attacking at A. 
click A to continue. ]
(;W[qp]
;B[rr]
(;W[mn]
;B[lp]
;W[ng]
;B[oh]LB[gc:A][ef:B]C[ Black is aiming at A to get in White's territory on top, so White should protect that from happening, White can peep at B see what Black answers.

click B to see variations]
(;W[jf]
;B[gc]C[Black's attachment is a good move, ]
;W[fb]LB[he:A]C[a better shape is at A. click A to see the variation. ]
(;B[gd]
;W[ib]LB[dj:A][dm:B]C[It is time for Black to attack the left side, since this is the only area left unsettled.  A and B are the moves for Black to consider. click them to see moves]
(;B[ml]LB[qn:A]C[It is not wise to initiate a fight without seeing what one will be getting. It is not clear what Black can gain in the center as it is open to both sides, this direct attack may result in losing a potential target, also, Black loses the big attacking move at A. 

Again, Black should find the biggest area to play in,  which is on the left side, then decide later how to attack this White group. ]
;W[kn]
;B[in]
;W[qm]
;B[ql]LB[qn:A]C[pulling back at A may give better eye shape for White. Click A to see more moves. ]
(;W[rm]
;B[pn]
;W[qn]
;B[rl]
;W[ro]
;B[rq]LB[ll:A]C[White was squeezed here, and there is not enough space to make two eyes locally, so White should escape to the center at A. ]
(;W[rp]
;B[pp]LB[on:A]C[White should protect the cut at A]
(;W[op]C[this is a bad exchange for White]
;B[oq]
;W[on]
;B[om]LB[ll:A]C[Since locally White cannot make two eyes, he should consider attaching at A to escape to the center.

click A to see more moves]
(;W[nm]C[Bad exchange for White.]
;B[nl]
;W[mp]
;B[mq]
;W[mm]
;B[np]
;W[oo]C[these are painful exchanges for White to make in order to get two eyes, and White is still not alive yet. ]
;B[kl]
;W[mo]LB[dm:A]C[Attack White side at A is the most urgent move, ]
(;B[dr]C[The sliding move is slow, the left side is much bigger and urgent to attack. ]
;W[fp]
;B[gq]LB[fl:A]C[now White gets a good chance to catch up on territory by securing the left side at A. ]
(;W[gn]LB[fl:A]C[White leaves a open "door" for Black to get in. White's move should be at A. ]
;B[fk]C[Black walked in, this is a good move. ]
;W[dk]LB[ej:A]C[Black should continue at A to cut off  White's connection. Click A to see more moves]
(;B[cq]
;W[hh]
;B[if]LB[je:A]C[White has to connect at A.  ]
;W[jg]C[push here leaves bad aji on top, ]
;B[ih]
;W[hj]LB[je:A]C[Black A is a severe attack. click A to continue.]
(;B[jh]
;W[ie]LB[lf:A]C[Black should jump at A to make trouble for White. 

click A to continue.]
(;B[lh]C[this move helps White fix the problem. ]
;W[lg]LB[hk:A]C[White says: thank you!

Now, Black must save the stone on the left side by attach at A, click A to continue, ]
(;B[bo]
;W[bn]
;B[co]
;W[do]
;B[cg]
;W[ch]
;B[bg]
;W[bh]LB[hk:A]C[The most urgent move is escaping at A. ]
;B[kg]
;W[kf]
;B[kh]
;W[sl]LB[lf:A]C[there is a bad aji at A, please click A to continue. ]
(;B[rk]LB[sk:A]C[Black should block at A. ]
;W[sk]
;B[sj]
;W[sm]
;B[rj]LB[hl:A]C[the biggest move is to jump at A to capture the center. ]
;W[ao]
;B[bp]
;W[ag]LB[hk:A]C[White's hane is small, Black's last chance to escape at A. ]
;B[hl]LB[hk:A]C[wrong shape, still leaves a cut, should attach at A]
;W[gl]
;B[hk]
;W[gk]
;B[ij]
;W[cp]
;B[bq]LB[hm:A]C[White should add a move at A to secure the center. ]
;W[rc]
;B[gj]
;W[hi]
;B[gm]
;W[fl]
;B[fm]
;W[el]
;B[hn]
;W[bf]
;B[cf]
;W[be]
;B[dn]C[wrong reading, it does not work for Black. ]
;W[en]
;B[dm]
;W[em]
;B[dd]
;W[ed]
;B[hb]
;W[ic]
;B[ia]
;W[ja]
;B[ha]
;W[kb]
;B[bd]
;W[ab]
;B[ad]
;W[af]
;B[gp]
;W[df]
;B[dg]
;W[ef]
;B[ee]
;W[eg]
;B[ce]
;W[sd]
;B[re]
;W[pe]
;B[pf]
;W[qe]
;B[rf]
;W[jm]
;B[fo]
;W[eo]
;B[fn]
;W[im]
;B[jl]
;W[hm]C[White's cut is an unnecessary move. ]
;B[ep]
;W[fg]
;B[gf]
;W[ii]
;B[jj]
;W[ji]LB[ki:A]C[Black should simply block at A. ]
;B[mg]C[Atari is a bad exchange for Black. ]
;W[lf]
;B[ki]
;W[il]
;B[ik]LB[kj:A]C[White should atari at A first, click A to see more moves, ]
(;W[ll]
;B[lk]
;W[lm]
;B[kk]
;W[nh]
;B[ni]
;W[mh]
;B[mi]LB[lf:B][mg:A]C[Black A becomes a bad exchange, otherwise, Black could atari at B. ]
;W[eq]
;B[fp]
;W[dq]
;B[er]LB[cm:A]C[White overlooked the danger here and that loses the game, White should add a move at A, and would win a little by Komi. 

Click A to see more moves]
(;W[ko]
;B[dl]
;W[ek]
;B[bm]C[Black captures the White stones and wins the game. 

End of the commentary]
;W[bl]
;B[cm]
;W[kp]
;B[kq]
;W[lo]
;B[lq]
;W[jo]
;B[io]
;W[gh]
;B[fd]
;W[ec]
;B[al]
;W[bk]
;B[ak]
;W[aj]
;B[am]
;W[cl]
;B[an]
;W[bj]
;B[sp]
;W[so]
;B[sq]
;W[gb]
;B[hc]
;W[ga])
(;W[cm]
;B[fa]
;W[ea]
;B[gb]
;W[db]
;B[gh]
;W[gi]
;B[fh]
;W[eh]
;B[jn]
;W[km]
;B[ko]
;W[fd]C[White wins by Komi.]))
(;W[kj]
;B[jk]
;W[ll]
;B[lk]
;W[lm]
;B[lj]LB[km:A]C[White reduced one more point from the center and White has a sente move at A,  ]
;W[nh]
;B[ni]
;W[mh]
;B[mi]
;W[jo]
;B[io]
;W[kp]
;B[kq]
;W[lo]
;B[ko]
;W[km]
;B[kk]
;W[kp]
;B[lq]
;W[gh]
;B[dq]
;W[cm]C[White wins on the board. ]))
(;B[lf]
;W[mg]
;B[le]
;W[je]
;B[jc]
;W[ic]
;B[lc]
;W[nc]
;B[gb]
;W[kb]
;B[kc]
(;W[ia]
;B[eb]C[Black has a tesuji move to disconnect White in sente. ]
;W[ec]
;B[fa]
;W[db]
;B[jb])
(;W[jb]
;B[eb]
;W[ea]
;B[da]
;W[fa]
;B[ga]
;W[ec]
;B[lb]
;W[mb]
;B[ka]
;W[ja]
;B[la]
;W[ma]
;B[he]C[a seki. ])))
(;B[hk]LB[ej:A]C[This is a must play move for Black. Aim at A to cut off Whtie's stones in center next.  ]
;W[cp]
;B[ej]
;W[dj]
;B[ei]
;W[eh]
;B[fh]))
(;B[lf]
;W[lg]
;B[mg]C[Wedge is a tesuji move, White cannot capture Black. ]
(;W[mf]
;B[kg])
(;W[mh]
;B[kg]
;W[mf]
;B[je])))
(;B[je]C[Black cuts]
;W[ie]
;B[jd]
;W[jc]
;B[lf]
;W[lg]
;B[mg]
;W[mf]
;B[kg]
;W[kf]
;B[le]
;W[kh]
;B[mh]LB[nd:A][lh:B]C[after Black extends, there is a cut at A or an atari at B. White cannot protect both. ]))
(;B[ej]
;W[dj]
;B[ei]
;W[eh]
;B[fh]SQ[fi]C[White's center stone is cut off and Black has good potential to make territory in the center. ]))
(;W[fl]))
(;B[dm]
;W[cm]
;B[dl]SQ[dh][fi]C[White will find it hard to connect the two marked stones with the main group. ]))
(;W[ll]
;B[lm]
;W[mm]
;B[km]
;W[nl]
;B[mk]
;W[pl]
;B[ol]
;W[ok]
;B[pk]
;W[nm]
;B[pl]
;W[nk]C[better way for White to live. ]))
(;W[on]
;B[om]
;W[ll]))
(;W[ll]))
(;W[qn]
;B[rl]
;W[om]
;B[pl]
;W[ll]C[White runs away. ]))
(;B[dj]LB[eh:A]C[this is more direct attack, aim at A to cut next, ])
(;B[dm]C[This shoulder hit is a prefect reduction move. ]
;W[cm]
;B[dk]SQ[dh][fi]C[not only reduces the left side, but also separates the two White stones. ]))
(;B[he]
;W[gd]
;B[hd]
;W[hc]
;B[ie]C[White collapses]))
(;W[ef]LB[fd:B][ee:A]C[Black has two options to connects its group, click A and B to see varitions]
(;B[ee]C[If Black connects, ]
;W[gd]LB[hf:A]C[then White should add a move here to protect the top, followed by a cut at A if Black plays tenuki.]
;B[je]C[If Black tres to connect the stone on top, ]
;W[hf]C[White can cut with this move, ]
;B[hg]
;W[gf]
;B[ff]
;W[fg])
(;B[fd]C[If Black connects with a bamboo joint]
;W[gc]
;B[dd]
;W[ec]
;B[he]
;W[ke]C[White protects the territory on top and with this enclosing move, White captures Black's stone on top. ])))
(;W[lo]C[jump is the right shape. ]))
(;W[ef]
;B[ee]
;W[gd]))
(;B[gc]
;W[gd]
;B[fd]LB[hc:A][ed:B]C[Click A and B to continue. ]
(;W[hc]
;B[ec]
;W[gb]
;B[eb]C[White is disconnected.])
(;W[ed]
;B[hd]
;W[ee]
;B[fb]
;W[ec]
;B[ge]
;W[ef]
;B[bh]C[A bad result for White. Loses too much on top while Black can still reduce the left side with a big sliding move.])))
(;W[ef]C[White's peep is an attacking move,]
;B[fd]C[If Black connects with a bamboo joint]
;W[gc]C[White connects the top,]
;B[dd]
;W[ec]
;B[he]
;W[ie]TR[ld]SQ[cc][cd][dd][fd][de][fe][he][gg]C[After White pushes out, the two marked Black groups are separated. ]))
(;B[fh]
;W[dj]
;B[po]))
(;B[fh]C[so escape is urgent, ]
;W[dj]
;B[po]C[then Black gets back to this big move. ]))
(;W[dg]C[Since White has more stones around, attacking with a pincer is the right choice. A tight pincer puts more pressure on Black. ]
;B[fe]
;W[fc]TR[ld]SQ[de][fe]C[Now, Black creates two weak groups, as marked, it is  a tough task for Black to save them both. ]))
(;B[cf]LB[cd:A][ch:B]C[This loose approach makes Black more flexible, it will be easier to settle a group in this, area where White has more influence. 

A and B are normal responses for White, click them to see the variations. ]
(;W[cd]C[If White protects the corner, ]
;B[ci]C[Black gets a nice two space extension.])
(;W[ch]C[If White pincers,]
;B[cc]LB[cd:B][dd:A]C[Black can attach to the corner, seek to settle, or make an exchange, depending on how White reacts.  A and B are common moves for White, click them to see variations. ]
(;W[cd]
;B[dd]C[The crosscut is a joseki,]
;W[bc]
;B[cb]
;W[de]
;B[ed]
;W[ce]
;B[fc]C[Black is now settled and White's influence at the top is pretty much gone. ])
(;W[dd]C[White could choose to extend,]
;B[cd]
;W[de]
;B[bf]
;W[df]C[Black gets settled in the corner with sente, Black is happy with this result. ])))
(;B[po]C[Black's moyo is bigger, so I think Black should choose to expand it. ]))
(;W[nc]
;B[rc]
;W[qb]
;B[qj]C[this is the joseki. ]))
(;B[qe]LB[pb:A][rc:B]C[If Black connects, White has A or B to follow

See variations by click on them,]
(;W[pb]C[White protects the corner and the cut with this move is the right joseki to choose in this case. ]
;B[qk]C[Black gets a nice extension. ])
(;W[rc]C[This is a very popular joseki variation, however, this would be a wrong joseki for White to choose, because Black has a severe ladder breaker move. Please continue to see more moves. ]
;B[nd]
;W[md]
;B[nc]
;W[mc]
;B[ob]
;W[oc]
;B[nb]
;W[mb]
;B[pb]
;W[pc]
;B[me]
;W[kb]
;B[kc]
;W[lb]LB[do:A]C[Although, the ladder works for White, Black has a severe ladder breaker move at A]
;B[do]LB[mf:B][co:A]C[If White blocks at A, then Black could ladder at B. If White saves the ladder at B, then Black can push through at A to disconnect  White's corner, either way would be a disaster for White. ])))
(;W[qc]
;B[qe]LB[nc:A][nf:B]C[Black has to connect, White has two moves to choose from, click both to see the variations.]
(;W[nc]C[White protects the cut with this tiger mouth is the basic joseki variation. ]
;B[rc]
;W[qb]
;B[qk]LB[qj:A]C[This is the original and basic joseki of magic sword. Black's extension move can be at A depends on the lower corner position, in this case, R9 is the better extension as it is works well with the 3-4 in the lower right corner. 

])
(;W[nf]C[push is the most popular variation in recently years.]
;B[og]
;W[pb]C[White protects the corner with a tiger mouth,]
;B[qk]C[This joseki end with an extension move on the side. This is an even result.])))
