(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[AGA]SZ[19]KM[7.50]TM[5400]OT[5x40 byo-yomi]
GN[US Pro Qualification Championship Round 1 Board 1]PW[Ryan Li ]PB[Matthew Burrall]WR[7d]BR[7d]DT[2015-01-07]EV[US Pro Qualification Championship Round 1 Board 1]RO[1]PC[The KGS Go Server at http://www.gokgs.com/]US[Chris Garlock]C[Matthew Burrall vs. Ryan Li
Pro Qualification Championship, Round 1

Though Ryan is considered the favorite, this is actually one of his losses in the tournament. Let's take a look.]RE[B+Resign]
;B[pd]
;W[dp]
;B[qp]
;W[dc]
;B[nq]
(;W[nc]
;B[pf]
;W[jd]C[Ryan chose the kobayashi opening.
]
;B[cf]
(;W[de]C[A fairly aggressive opening. Many possible options here.]
;B[bd]
(;W[ch]
;B[df]
(;W[ce]
;B[be]
;W[cc]
;B[bg]
(;W[ei]C[Joseki as well.
]
(;B[ff]
(;W[ef]
;B[eg]
;W[ee]
(;B[dh]
;W[di]
;B[fg]
;W[gd]
(;B[fq]C[Not the right approach.
Black should attack the white 3 stones instead
This approach  helps white settle his group.]
;W[cn]
;B[fo]
(;W[dr]
(;B[gi]C[Slow.
This should not be the focus of the board.
]
;W[qk]C[Very big.
]
;B[cl]C[This is not so dangerous for white.]
(;W[gp]C[Not a good exchange. Makes black thick.
]
;B[bn]
(;W[co]
;B[cq]
(;W[fp]
(;B[bo]C[This shouldn't work.
]
(;W[eq]C[In the real game white gave black a chance.]
;B[cm]C[This result is about even.]
;W[lq]C[Now the right side seems quite urgent for black, but it's difficult to choose.]
(;B[lc]C[Therefore black wants to test a bit first. A big move.]
(;W[qc]C[White invades immediately!

Not the best idea though. Silly white.
]
;B[pc]
;W[pb]
;B[ob]
;W[qb]
(;B[nb]
;W[re]
(;B[qm]C[Now it is clear for black from which direction he wants to approach the marked stone.]
(;W[qe]C[Not a good exchange.
Black becomes stronger on the outside]
;B[pe]
(;W[ld]
;B[kc]
;W[jc]
;B[kd]
;W[ke]
(;B[je]C[Wrong cut.
]
;W[jb]
;B[mc]
;W[kf]LB[jb:A]C[A was the key move in this position. Now white has a better result than he should have had.]
;B[ie]
;W[hf]
;B[ig]
;W[nf]LB[hc:A]C[Black enters byo-yomi, 5 periods of 40 seconds

This is very aggressive.
This is still a good fight for black however.
Black can play an asking move at A.]
(;B[og]C[Not a bad move, but not the best move.
Great players seize these opportunities and take over the game. These are the most critical moments in a game.]
;W[nd]
;B[oc]
;W[jg]LB[hc:A]C[White is taking advantage to fix A.]
;B[if]
;W[ih]
;B[hg]
;W[hc]
;B[md]LB[qh:A][ki:B]C[SLOW!
There is no reason for white to respond now..
A and B are bigger moves for white.
]
;W[ki]
(;B[pj]LB[eo:A]C[White's group is very light.
This is not the best way to attack.
I would have chose to play somwhere big like A.
Black is ahead on territory if black secures the left side.]
;W[pn]
;B[pm]C[I'm not sure of the meaning behind the exchange.]
;W[qh]LB[qk:A]C[White is choosing to sacrifice the stone at A. ]
(;B[mo]C[
Black is aiming to defend the corner.
There is some aji at 3-3 for white, but it's not of immediate concern.
As black becomes thicker on the outside the aji at 3-3 will naturally go away.

3-3 would make for a very good asking move however. ]
(;W[pk]
;B[oj]
;W[ok]LB[qj:A]C[White is playing very aggressive here. This is an overplay.
Black should separate white at A here.]
(;B[nj]C[Slack.]
;W[rl]C[Black lost another good opportunity. White is catching up.]
(;B[lg]LB[qn:A]SQ[nc][ld][nd][ke][kf][nf]C[This is small.
Black keeps on looking at white's six stones but they are in fact very small.
Also black has a lot of bad aji at A.]
;W[mh]
;B[mg]
;W[nh]
;B[ng]
;W[oh]SQ[nj][oj][pj]C[This is great for white.
Black captured 10 points while white connected and left black with a weak group.]
;B[nk]
;W[om]C[White is fighting hard to make the lead of black smaller.]
;B[lh]
;W[li]
;B[mi]C[Very aggressive from both players.]
;W[ph]
;B[nl]
;W[mj]
;B[ni]
;W[jl]LB[mh:A]SQ[ld][ke][kf][jg][ih][ki][li][mj][lq]C[White is in danger here.
It seems the bottom stone and top group are in trouble.
 
White was behind since misplaying the top and the right side. White's strategy here is to reduce black while trying to survive. Again, white will only turn the tables if he manages to save both group without much losses, which is very hard at this current situation, but nonetheless an opportunity.]
;B[kp]
(;W[jh]LB[mn:A]C[Sente, but white should aim at A.]
(;B[le]
;W[kq]C[too passive.]
(;B[hl]C[Too weak.
There is no need to back-off here.
White's group is very very weak.]
;W[lm]
;B[nm]
;W[on]
;B[ol]
;W[qn]
;B[nn]
;W[pp]LB[hl:A]C[All of a sudden black is under attack.
Now we see that A almost does nothing. Because the battlefield is in the bottom right corner. Now white has the advantage here.]
;B[pq]
;W[op]
;B[oq]
(;W[qq]LB[rp:A]C[A is probably better.]
;B[rp]
;W[rm]
;B[np]
(;W[gj]LB[jp:A]C[White is still behind here.
Playing A would probably result in a slight win for black.]
;B[hj]
;W[hi]
;B[fi]
;W[hk]
;B[gk]
;W[ij]
;B[fj]C[Black is playing passive, but black is still ahead nonetheless.
White gained a bit here.]
;W[gl]
;B[hj]
;W[ik]
;B[gm]
;W[fl]
(;B[ip]LB[jp:A]C[A is better.]
(;W[jq]LB[lp:A]C[A bit passive, A would have made it very complicated.]
;B[hm]
;W[dm]
;B[ek]
;W[fm]
;B[jp]
;W[iq]
;B[jm]
;W[jn]
;B[im]
;W[km]
;B[kn]
;W[ln]
;B[ko]
(;W[ho]LB[go:A]C[A is better.]
;B[hp]
;W[hq]
;B[go]
;W[fk]
;B[cr]
;W[eo]
;B[gn]
;W[dl]
;B[dk]
;W[ro]
;B[qr]
;W[hh]
;B[gh]
;W[mr]
;B[qj]
;W[rj]
;B[bc]
;W[bb]
;B[ab]
;W[ba]
;B[lk]
;W[kk]
;B[qf]
;W[rf]
;B[qg]
;W[rg]
;B[qi]
;W[ri]
;B[dq]
;W[er]
;B[cp]
;W[in]
;B[io]
;W[fn]
;B[hn]
;W[gj]
;B[kb]
;W[cs]
;B[bs]
;W[ds]
;B[br]
;W[nr]
;B[ja]
;W[ia]
;B[ka]
;W[ic]
;B[ll]
;W[kl]
;B[lj]
;W[ps]
;B[or]
;W[os]
;B[qs]
;W[pl]
;B[kj]
;W[so]
;B[sp]
;W[qo]
;B[rq]
;W[jj]
;B[kh]
;W[ji]
;B[qd]
;W[rd]
;B[fe]
;W[fd]
;B[he]
;W[mq]
;B[el]
;W[em]
;B[cd]
;W[lf]
;B[mf]
;W[dd]
;B[ge]
;W[oa]
;B[na]
;W[pa]
;B[mm]C[Matthew Burrall wins by resignation

Matthew played a very good game.
White played very aggressive and missed a few opportunities in the opening.
Mid-game white overplayed a lot causing him to be behind by quite a bit.


])
(;W[bp]
;B[bq]
;W[cp]
;B[ap]
;W[go]C[Might've won like this.]))
(;W[lp]
;B[lo]
;W[jp]C[Another ko.]
;B[jo]
;W[ko]
;B[kn]
;W[jn]))
(;B[jp]
;W[jq]
;B[ip]
;W[iq]
;B[hp]
;W[hq]
;B[hm]
;W[dm]
;B[dl]
;W[em]
;B[go]
;W[eo]
;B[ek]C[A bit better for black than the actual game.]))
(;W[jp]
;B[eo]
;W[ep]
;B[hn]C[Black would win like this.]))
(;W[rp]
;B[qq]
;W[rn]
;B[np]))
(;B[jp]C[Black should play here.]
;W[jq]
;B[ip]
;W[hr]
;B[go]C[White is in big trouble.]))
(;B[kq]
;W[me]
;B[le]
;W[lf]
;B[mf]C[A ko here for the whole black group]))
(;W[mn]
;B[nn]
;W[lo]
;B[ln]
;W[mm]
;B[nm]
;W[mp]
;B[no]
;W[ko]C[Very complicated, but white needs to make the game complicated here. Otherwise white is in trouble.]))
(;B[ip]C[White has a weak group at the top and black should take advantage with his thickness.]
;W[lo]
;B[lp]
(;W[mp]
;B[kp]
;W[mq]
;B[np]C[white in trouble.])
(;W[kp]
;B[mp]
;W[ko]
;B[kq]
;W[jq]
;B[kr]
;W[jr]
;B[lr]
;W[io]
;B[ho]
;W[hp]
;B[in]
;W[jo]
;B[gl]C[black is easily ahead.])))
(;B[qj]C[White is in trouble.
]
;W[nj]
;B[rj]
;W[rk]
;B[ni]
;W[mj]
;B[nl]
;W[nk]
;B[mi]
;W[lj]
;B[rg]C[Black got territory]))
(;W[qq]C[A good asking move.]
(;B[pq]
;W[pp]C[Difficult for black to answer.]
(;B[pr]
;W[rp]
;B[qo]
;W[qn]
;B[rq]
;W[ro]
;B[rm]
;W[qr])
(;B[rp]
;W[oq]
;B[pr]
;W[np]
;B[or]
;W[mp]
;B[op]
;W[no])
(;B[qo]C[When black plays this kind of move, note that white can always make life in this corner.]
;W[pr]
;B[oq]
;W[rq]C[White makes life.]
;B[or]C[Note that black has a good sequence here!]
;W[qs]
;B[ps]
;W[os]
;B[ns]
;W[sr]
;B[sp]
;W[rs]
;B[ps]
;W[qr]
;B[kr]))
(;B[rp]LB[oq:A][nr:B]C[There is aji later at A and B.]
;W[oq]C[However playing this now is too early.]
;B[mq]C[Black can simply play here.])))
(;B[qj]C[This would probably be bigger. ]))
(;B[eo]C[Painful]
(;W[ep]
;B[gl]LB[jq:A]SQ[ch][di][ei]C[This move is very big.
It has 3 uses. It captures white's stones, attacks the middle group and threatens the invasion at A.])
(;W[fk]LB[eo:A][go:C][ep:B]C[What happens when white does not respond to your move at A? 
This move is overplay because B to C all become sente for black.

]
;B[ep]
;W[dq]
;B[go]
;W[hp]
;B[ho]
;W[ip]
;B[hk]C[White will be captured.])))
(;W[nd]C[White is aiming for another move in this area. If white can force black to connect on a dame point, it will be a good fight.]
;B[oc]
;W[og]C[Scary for black.])
(;B[hc]LB[hb:A]C[If white plays A, then black already gained. There is also bad aji here for white.]
(;W[hd]
;B[id]
;W[ic]
;B[kg]LB[hb:B][lg:A]C[A and B is miai now for black.])
(;W[hb]LB[gb:B][gc:A]C[This exchange introduces a lot of aji in white's position. Black can think about A or B later.])))
(;B[le]
;W[md]
;B[je]
;W[kf]
;B[jb]
;W[ib]
;B[kb]LB[ic:A][lf:B]C[A and B are miai.]
(;W[mf]
;B[ic]
;W[id]
;B[hc]
;W[hd]
;B[gb]C[White didnt gain much.])
(;W[hc]
;B[lf]C[This is a terrible result for white as well.])))
(;W[jc]
;B[qi]
;W[ok]C[Possible.]))
(;W[qg]C[Better to just play here]))
(;B[qi]C[This would be strange to say the least.]
;W[qn]
;B[rf]
;W[qe]
;B[qf]C[If black wants he can make a few points, but it's tiny. On top of that he creates cuttingpoint in his own position.]
;W[pe]
;B[oe]))
(;B[oc]
;W[re]
;B[jb]))
(;W[jc]C[The only move for white.
if black plays A white can play B.]
;B[md]C[When black tries to capture one stone, white can still invade the corner.]
;W[qc]C[Difficult for black.]
(;B[pc]
;W[pb]
;B[ob]
;W[qb]
;B[oc]
;W[re]C[White lives and black feels cramped.])
(;B[qd]
;W[pc]C[White lives comfortably and black needs comfortfood to fill his sad belly. ])))
(;B[qi]C[Approaching from this side poses a difficulty on the lower right.]
;W[qn]LB[pq:A][qq:B]C[When white gets this extension, black's corner gets hurt a bit. 

Because of black's ogeima there is a lot of invading aji at for example A or B.])
(;B[qm]C[Playing here will reinforce the lower right, but...]
;W[qh]C[Now the top right is in PAIN.]))
(;W[bp]
(;B[cp]
;W[bq]C[Captured])
(;B[dq]
;W[eq]
;B[er]
;W[ep]
;B[cr]
;W[fr]
;B[ds]
;W[bm]C[Black is captured.  

Black only captured the corner and lost everything else. The outside became white and black lost too much influence to be compensated.]
;B[cm]
;W[bl]
;B[bk]
;W[ao]
;B[ck]LB[jq:A][ar:B]SQ[ch][di][ei]C[Keep in mind there is still a ko in the corner at B after white plays A. Therefore it is definitely better for white, plus there is bad aji for the 3 stones.]
;W[jq]
;B[qm]
;W[ar]C[thi still makes a ko]
;B[aq]
;W[bq]
;B[br]
;W[bs]
;B[as]C[Ko])))
(;B[dq]C[Like this black can make life in the corner, but white will get  very thick on the outside.]
;W[eq]
;B[er]
;W[ep]
;B[cr]
;W[fr]
;B[ds]
;W[el]
;B[bo]
;W[bp]
;B[cp]
;W[bm]
;B[bq]
;W[cm]C[This is good for white.]))
(;W[dq]
;B[fp]
;W[el]C[Black is in a tough spot.]))
(;W[bo]C[Black was probably hoping for this answer by white.]
;B[dn]C[Now black can help his stones towards the outside.]
;W[co]
;B[fp]LB[cl:B][dn:A]C[Now black has an extra stone at A to help his invasion at B.]
;W[el]C[This is no longer an effective attack]
;B[dm]C[Now white has to run for his life.]))
(;W[el]
;B[dm]
;W[em]
;B[dn]
;W[en]
;B[co]
;W[do]
;B[bn]
;W[cp]
;B[bo]
;W[gp]C[Black is in trouble here.
]
;B[fp]
;W[bp]
;B[ip]
;W[bk]
;B[bl]
;W[ck]
;B[ao]LB[qk:C][ap:A][ip:B]C[Black destroys the side, has corner aji at A and also got a big move on the lower side at B. 
On the other hand white has sente and got the move at C.
It is playable for white.])
(;W[dl]C[This is not so good.
It would result in sacrificing the white stones, which is not preferred.]
;B[dk]
(;W[el]
;B[cm]
;W[dn]
;B[ek]
;W[fk]
;B[fj]
;W[ck]
;B[cj]
;W[bk]
;B[bj]C[White is captured.])
(;W[dm]
;B[ek]
;W[ck]
;B[cj]
;W[bk]
;B[bj]
;W[bl]
;B[fm]C[This is preferred by black.])))
(;B[mn]
;W[qk]C[Possible]))
(;W[qk]C[What happens in the corner later if white plays tenuki, for example here?]
;B[cq]
;W[dq]
;B[cp]C[A bit painful for white])
(;W[eq]C[Would this be possible perhaps, to take sente in the corner?]
;B[fr]
;W[jp]C[A faster way to play for white.]))
(;B[dl]C[A better strategy]))
(;B[fg]LB[dg:A]C[This is possible. Though white's cut A is quite severe.]
;W[dg]
;B[bh]
;W[cg]
;B[bf]
;W[ci]
;B[bi]
;W[cj]
;B[gd]
;W[bj]
;B[bc]
;W[bb]
;B[ab]
;W[ba]
;B[ai]
;W[gb]C[this probably expected.
I personally prefer white because black does not have much territory and has a weak group even though white lost some territory. White is still in an attacking position and has thickness on the left side.]))
(;W[gd]
;B[cn]C[Seen in professional games too.]
(;W[cl]
;B[ci]
;W[bi]
;B[cj]
;W[bj]
;B[dh]
;W[ck]
;B[di]
;W[co]
;B[fq])
(;W[ck]
;B[fp])))
(;B[ci]C[A fancy answer to a fancy keima.

From a game between 
Black: Yamada Kimio 9d 
White: Rin Kanketsu 7d ])
(;B[ef]C[Most common in the pro database.]))
(;W[ef]
;B[dh]
;W[eg]
;B[di]
;W[ck]
;B[ci]C[Classic ]))
(;W[cc]
;B[dh]
;W[cj]
;B[di]
;W[bg]
;B[ff]
;W[gd]
;B[ek]
;W[cl]C[Possible.]))
(;W[dh]
;B[df]
;W[ef]
;B[eg]
(;W[dg]
;B[ee]
;W[ff]
;B[dd]
;W[ed]
;B[ce]
;W[fe]
;B[ec]
;W[de]
;B[db]
;W[cd]
;B[cc]
;W[dd]
;B[fd]
;W[ee]
;B[bb]
;W[fc]
;B[eb]
;W[gd]LB[jd:A][kd:B]C[This is not preferred by white,  because A is too close, it would have been better place at B instead])
(;W[ff]C[This extension for white is more modern than cutting.
Black can simply connect though.
]
;B[dg]
;W[ch]
;B[cc]
;W[cb]
;B[dj]LB[bb:A]C[White's stones are in trouble.
Black wouldn't worry about life or death here because black can live easily with A.])))
(;W[cd]
;B[dj]
;W[cl]
;B[ef]
;W[gd]C[Possible]))
(;W[ci]
;B[pj]
;W[nc]
;B[qf]
;W[jd]
;B[fq]
;W[dn]
;B[jp]C[Influence game])
(;W[qj]
;B[qf]
;W[qm]
;B[de]
;W[ce]
;B[cf]
;W[cd]
;B[cn]
;W[fq]
;B[dg]
;W[fc]
;B[dk]C[Common.])
(;W[qf]
;B[nc]
;W[rd]
;B[qh]
;W[qc]
;B[qe]
;W[re]
;B[pf]
;W[pg]
;B[qg]
;W[rf]
;B[og]LB[nq:A][oq:B]C[Remember this , we talked in episode 182, Tang's toilet move about the difference between A and B]
;W[jp]LB[nq:A]C[Now this move is less interesting for white, with the big keima at A in place]
;AE[nq]AB[oq]
;B[cn]
;W[fq]
;B[dj]
;W[mq]C[This extension is big to play for white]))