(;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[2nd AGA Pro Qualifier FINALS - Calvin Sun (w) vs Bill Lin (b)]PW[Calvin Sun]PB[Bill Lin]WR[7d]BR[7d]DT[2014-01-06]EV[2nd AGA Professional Qualification Tournament]RO[Finals, game 2]PC[The Hotel Normandie, Los Angeles CA]US[Andrew Jackson]C[Last year William Shi became the second american homegrown professional go player. This year another pro was crowned by the American go Association. Recently, on the 6th of January Calvin Sun and Bill Lin played the deciding game of a best of three finals. Calvin won the first game. Today we show the second game in which Bill Lin had a great come-back to make the score even. The third game was very close and long and resulted in a 1.5 point win for Calvin who became the third American Pro. ]
;B[qd]
;W[dc]
;B[pq]
;W[dp]LB[oc:A]C[Bill Lin likes to fight alot, and the two 3-4 opening is quite popular for those seeking an aggressive game.

A is a popular opening nowadays.]
(;B[de]
;W[cg]
;B[cc]
;W[gc]C[This is an opening popularized by Japanese players, and it played very often by Cho U.
In the free episode of this week we talk more about this move.]
;B[cn]C[Tenuki is possible. Bill is seeking a complicated game.]
;W[dk]
;B[gp]LB[dn:A]C[This is not played very often because the local joseki after white plays A is better for white.
Nonetheless players may have preferences.]
;W[dn]
(;B[dg]C[Black tenukis again.
It seems Bill is very confident.]
;W[cb]
(;B[dd]LB[cd:A]C[Black's only move.
Playing A instead would make it locally a joseki, but in this circumstance it is not a good choice because white has a more powerful response]
;W[bc]
;B[cd]
;W[eb]
;B[ch]C[Locally a better result for black.]
;W[co]
;B[jp]C[However in the bottom left corner it is also a better result for white, so overall the game is still about even.]
;W[od]
;B[oe]LB[qc:B][ne:A]C[Good move to make a moyo on the lower side.
Locally A would not be a good choice for white. B is the only possible choice.]
(;W[qc]LB[rc:C][nd:A][pd:B]C[There are many joseki choices here.
A,B,C]
(;B[pd]C[A good choice]
;W[pc]
;B[ne]C[Popular and the best choice here.]
;W[nc]
;B[ld]
(;W[qk]LB[pe:A]C[This is an urgent point.
The cut at A is often played, here it is small.]
(;B[qm]LB[qo:B]C[Aggressive.
This leaves B open for invasion later on.
]
(;W[qh]LB[pi:A]C[Locally a good shape, but this leaves a great move for black at A
]
;B[pi]C[White is in a difficult situation here.]
;W[qi]
;B[pk]
;W[pe]
;B[nd]
;W[oc]
;B[ql]
;W[pf]C[Though white gained alot of from this exchange, black gained a lot of influence.
]
;B[kn]
(;W[qq]LB[lq:A]C[White definitely needs to invade here.
I personally would have invaded at A.]
;B[pr]C[Black is going to try and kill everything here.]
;W[lm]
;B[km]
;W[pp]
;B[qp]C[I don't see great follow-ups here.]
;W[ll]
;B[mo]
;W[qo]
;B[rp]
;W[nn]
;B[mn]
;W[ok]
;B[pj]
;W[nm]
;B[op]
;W[ng]
;B[mi]
;W[kl]
;B[il]
;W[jl]
;B[im]
(;W[mh]C[Not the correct move here.
This move pushed white into a difficult situation at the center]
;B[li]
;W[jj]
;B[lh]C[White's center looks quite in trouble here.]
;W[ni]
;B[nj]
;W[lg]
;B[ji]
(;W[ik]LB[ii:A]C[Weak.
A is the correct move here.]
;B[kg]
;W[kf]
;B[lf]
;W[mg]
;B[ii]
;W[gk]
;B[ek]C[Great move.
White is in trouble from now.
]
;W[jm]
;B[in]
;W[jn]
;B[jo]
;W[no]
;B[np]
;W[ln]
;B[ko]
;W[lo]
;B[lp]
;W[hl]C[These are bad exchanges.
It just reinforces black. and leaves white in a bad eye-less shape.]
;B[gm]
;W[jg]
;B[kh]
;W[el]LB[fl:A]C[A is the usual idea for black, but does not work here.
]
(;B[em]C[Creative!]
(;W[ej]
;B[dm]C[painful for white]
(;W[dh]LB[cm:A]C[This is an overplay.
A is the proper move here.]
;B[hj]
;W[hk]
;B[di]
;W[eh]
;B[ei]C[Black pushes boldly]
;W[ci]
;B[dj]
;W[fk]
;B[fi]LB[cj:A]C[A is not possible]
(;W[cl]C[White is looking for an exchange, but...]
(;B[ck]C[The winning move for black.]
(;W[cj]
;B[bk]
;W[bl]
;B[dl]C[White's only option is to play ko now.
But white does not have many ko threats.]
;W[bh]
;B[ek]
;W[oj]
;B[oi]
;W[dk]
;B[bj]
;W[bn]
;B[ek]
;W[nh]
;B[ol]
;W[dk]
;B[bi]
;W[ch]
;B[ek]
;W[nk]
;B[mj]
;W[dk]
;B[cm]
;W[hi]
;B[hh]
;W[gi]
;B[gh]
;W[bm]
;B[ek]
;W[pm]C[White has no ko threats left.]
;B[fj]
;W[pl]
;B[qj]
;W[om]
;B[mk]
;W[nl]
;B[qn]LB[pn:A]C[Even on points white does not have enough.
At this point the game is basically over.
White can't live locally either with A]
(;W[rj]
;B[rk]
;W[ij]
;B[kk]
;W[gj]
;B[jk]
;W[ih]
;B[jf]
;W[hg]
;B[ke]
;W[fh]
;B[ec]
;W[db]
;B[gd]
;W[kj]
;B[lk]
;W[hd]
;B[he]
;W[ie]
;B[ge]
;W[if]
;B[fc]
;W[hc]
;B[bd]
;W[bb]
;B[ff]C[Black lives here.]
;W[gg]
;B[cf]
;W[be]
;B[bf]
;W[ad]
;B[af]
;W[ae]
;B[ah]C[Black lives.
Overall this game was played very well by black.
Summary:
The opening was new and it was about even.
As we progress black developed a huge influence on the right side.
White was not very successful in invading.
Black played multiple great moves in the mid game which sealed the deal.
])
(;W[pn]
;B[oo]
;W[ro]
;B[po]
;W[rk]
;B[rj]
;W[rl]
;B[rn]
;W[ri]
;B[sk]C[White is behind by one liberty.]))
(;W[dl]
;B[cm]
;W[cj]
;B[bk]
;W[bl]
;B[bh]
;W[bj]
;B[ai]
;W[ak]
;B[fg]SQ[cm][dm][cn]C[This would be a great result for black. Black both gained points by pushing through on the left side with the marked stones. And also gained many points at the top-left.
Whites lower left corner is weak.]))
(;B[cj]
;W[cm]
;B[bi]C[This is still playable for white.]))
(;W[cj]
;B[ck]
;W[cl]
;B[bk]
;W[bl]
;B[dl]
;W[ek]
;B[bi]
;W[bh]
;B[bj]
;W[ch]
;B[cm]C[White is captured.]))
(;W[cm]
;B[cl]
;W[bn]
;B[dl]
;W[fk]
;B[hj]
;W[hk]C[Thought this looks dangerous,
if white lives then it is still a possible game.]))
(;W[dl]C[white can't play here]
;B[fl]LB[dm:A]C[The center group has been cut off. On top of that black can push at A]))
(;B[fl]
;W[fk]
;B[ej]
;W[fm]
;B[gl]
;W[gn]
;B[hm]
;W[io]
;B[hk]
;W[hn]))
(;W[ii]
;B[jh]
;W[ik]C[This is clearly better than the actual game.]))
(;W[ki]
;B[mg]
;W[kg]
;B[nh]
;W[fq]
;B[gq]
;W[fr]
;B[gr]
;W[cj]C[This is still playable.]))
(;W[lq]
;B[kq]
;W[kr]
;B[jr]
;W[kp]
;B[jq]
;W[oq]C[White just needs to live here and it will be successful.
This might be dangerous, but I feel that white does have good chances.]))
(;W[ok]LB[qh:A][qo:B]C[This is correct because A and B are miai now for white.]
(;B[om]
;W[qh]
;B[qf]LB[qo:B][lq:A]C[This is about even.
White still can invade at A or B])
(;B[qh]
;W[qo]C[Black doesn't have much good choices here.]
;B[om]
;W[rm]C[Good for white.])))
(;B[qn]C[Normal move]))
(;W[pe]
;B[pf]
;W[qe]
;B[rd]
;W[rf]
;B[rc]
;W[rb]
;B[qb]C[Timing to create a tiny bit of aji]
;W[pb]
;B[ra]
;W[sb]
;B[qh]
;W[re]
;B[nd]C[Later black has these moves to become thick.]
;W[oc]
;B[mc]
;W[]
;B[nb]LB[pa:A]C[There is a ko at at A now.]
;W[qa]))
(;B[nd]
;W[pd]
;B[pe]
;W[qe]
;B[rd]
;W[rc]
;B[ob]
;W[re]
;B[pc]
;W[sd]
;B[qd]
;W[rd]
;B[oc]
;W[qh]
;B[jc]C[This is not a good direction for black. Black prefers to build the lower and right side.])
(;B[rc]
(;W[pc]
;B[pe]
;W[md]
;B[ne]
;W[ld]C[Would not be a bad choice for black. Black builds the right side.])
(;W[pd]
;B[pe]
;W[rd]
;B[qe]
;W[rb]
;B[pc]
;W[qb]
;B[nd]
;W[oc]
;B[nc]
;W[ob]
;B[re]
;W[ql]C[However white can choose this option and play tenuki. ])))
(;W[ne]
;B[pe]
;W[md]
;B[nf]
;W[mf]
;B[mg]
;W[ng]
;B[of]
;W[lf]
;B[lg]
;W[kf]
;B[nh]C[Bllack has a better moyo.]))
(;B[cd]
(;W[ch]C[Black has no good followup to this move.]
;B[eb]C[This move does not work well]
;W[db]
;B[ec]
;W[ed]
;B[dd]
;W[fc]LB[dj:A][dk:B]C[Normally black would be able to pincer at A, but in this case black clearly can't due to white's stone at B.]
;B[]
;AE[dk][cn][dn][gp]
;B[dj]LB[fd:A]C[When white does not have stones on the left side black can pincer here. It is hard for white to fight because of the weakness at A.

See the game in the bonus tab between:
Hu Yaoyu 8d and Zhang Wei 6d ])
(;W[dh]C[normal joseki move]
;B[eb]C[Black is aiming for this aji])))
(;B[dq]
;W[cq]
;B[eq]
;W[co]
;B[cr]
;W[bq]C[Locally a better result for white.])
(;B[cq]
;W[co]
;B[dq]LB[fp:B][gp:A]C[Also possible. Normally the black stone at A is positioned at B. So black has more aji here now.]))
(;B[oc]
;W[po]
;B[qo]
;W[qn]
;B[qp]
;W[rd]
;B[re]
;W[qe]
;B[pe]
;W[qf]
;B[rf]
;W[qg]
;B[rg]
;W[qh]
(;B[qc]
;W[pn]
;B[nq]
;W[qj]C[Old but still a popular opening])
(;B[qj]
;W[qi]
;B[qc]
;W[pj]
;B[pn]
;W[qm]
;B[on]
;W[jq]C[Also popular])))