(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[6.50]TM[5400]OT[1x30 byo-yomi]
GN[Playoff Dutch Championship 2013 game 2 of best of 3]PW[Merlijn Kuin]PB[Zeno van Ditzhuijzen]WR[6d]BR[5d]DT[2013-02-17]PC[Hotel FIGI, Zeist, The Netherlands]US[HW9x9]
;B[pp]
;W[qd]
;B[dc]
;W[dp]
(;B[od]
(;W[ce]C[In order to prevent the variation shown before, White also doesn't answer Black's approach in the upper right corner but approaches here.]
;B[dg]
(;W[hc]LB[kc:A][ed:B]C[This move is often used. Now White has the miai of A and B.]
(;B[de]
;W[kc]
(;B[cf]
(;W[oc]C[White's choice was not good here.]
(;B[pd]LB[kc:A]C[When there is a white stone at A, Black's play here is bad. ]
;W[pc]
;B[qe]
(;W[nd]C[White's hane is a good choice here.]
;B[qc]
;W[rd]
;B[qb]
;W[re]
;B[pf]C[White has two choices ]
(;W[of]C[Good choice.]
;B[pg]
;W[ne]
;B[pe]SQ[hc][kc]
(;W[rb]C[Mistake in the sequence.]
(;B[qk]
;W[rc]LB[nc:A]C[White is relieved. He has stopped Black from cutting at A and is safe. However he still played sub-optimal here, spending two moves instead of one.]
(;B[fq]
;W[cn]
;B[jp]C[Black built influence with a double wing formation.]
(;W[qq]C[The 3-3 invasion is a good choice for White.]
;B[pq]LB[rf:B][nh:A][qk:C]C[For Black the lower side is more important than the right side because Black can't make big territory on the right due to A-C.]
;W[qp]
;B[qn]
;W[rn]
;B[fo]
(;W[dr]C[Big move.]
;B[nh]LB[qm:A]C[This is a slack move. Black should first conclude the sequence in the lower right corner by playing at A. 
]
(;W[hq]C[White's mistake in the direction. White should better reduce the center.]
;B[hp]
;W[iq]
;B[jq]
;W[ip]
;B[io]
;W[gp]
;B[ho]
;W[gq]
(;B[fp]
;W[fr]
;B[go]
;W[hr]LB[fp:B][hr:C][jr:A]C[Since White has the hane at A, the exchange Black B for White C was not profitable for Black. 
However, the result looks good for Black because of the influence he has built in the center. Black is ahead.]
;B[id]C[This move is sente, but there is no need to play it now.]
;W[ic]
;B[kd]
;W[lc]
;B[lh]
;W[dk]C[Big point.]
;B[jr]LB[fk:A]C[Black's mistake of direction.
He should block in the center at A.]
;W[qm]LB[jr:A]C[White occupied this big point here, and was happy. Due to Black A, the value of the right side increased.]
;B[pn]
;W[pr]
;B[or]
;W[qr]
;B[pm]
;W[rm]
;B[ek]C[Good move.]
;W[el]LB[oq:A]C[Sente is important to quickly connect at A.]
;B[dj]
;W[ck]
(;B[fk]
;W[fl]
;B[gl]
;W[cj]
;B[di]
;W[oq]C[When White cuts, Black is not good.]
;B[op]
;W[nq]
;B[nr]C[
overplay]
;W[mr]
;B[mq]
;W[np]
;B[lr]
;W[mp]
;B[lq]
;W[pl]
(;B[nn]C[White breaks into the center and Black is in difficulty.]
;W[pk]
;B[qj]
;W[pj]
;B[pi]
;W[ql]
;B[nl]
;W[nk]
;B[mk]
;W[mj]
;B[nj]
;W[ni]
;B[ok]
;W[oj]
;B[lj]
;W[nk]
;B[mi]C[Black should play a ko threat.]
;W[nj]
;B[ml]
;W[oh]C[Black is dead.]
;B[rf]
(;W[rk]C[White's mistake]
;B[rh]C[good move]
;W[rj]
;B[qg]C[Black is alive.]
;W[bh]C[big move]
;B[bg]
;W[ge]
;B[hf]
;W[gf]
;B[hg]
;W[gg]
;B[fc]
;W[gc]
;B[gh]
;W[fb]
;B[eb]
;W[fd]
;B[ec]
;W[fh]
;B[gi]
;W[kf]
;B[jg]
;W[ch]
;B[dh]
;W[em]
;B[gm]
;W[jf]
;B[if]
;W[qi]
;B[ng]
;W[ld]
;B[eq]
;W[dq]
;B[er]
;W[es]
;B[jc]
;W[jb]
;B[jd]
(;W[lf]
;B[ol]
;W[gb]
;B[qo]
;W[ro]
;B[fi]
;W[cb]
;B[cd]
;W[ea]
;B[da]
;W[fa]
;B[db]
;W[ed]
;B[do]
;W[co]
;B[ph]
;W[kg]
;B[kh]
;W[dd]
;B[cc]
;W[be]
;B[bf]
;W[ee]
;B[df]
;W[jh]
;B[ig]
;W[eh]
;B[hd]
;W[gd]
;B[ef]
;W[fg]
;B[kb]
;W[ib]
;B[eo]
;W[ei]
;B[ej]
;W[os]
;B[ms]
;W[ci]
;B[dn]
;W[dm]
;B[og]
;W[mf]
;B[ri]
;W[ag]
;B[af]
;W[ah]
;B[nf]
;W[mg]
;B[mh]
;W[se]
;B[nc]
;W[nb]
;B[is]
;W[hs]
;B[ir]
;W[gs]
;B[oe]
;W[sf]
;B[sg]
;W[si]
;B[oi]
;W[fn]
;B[gn]
;W[ff]
;B[me]
;W[md]
;B[he]
;W[je]
;B[hh]
;W[le]
;B[ns]
;W[ps]
;B[sh]
;W[sj]
;B[qh]
;W[qj]
;B[cp]
;W[bp]
;B[fm]
;W[en]
;B[ep]
;W[cq]
;B[eg]
;W[cg]
;B[ie]
;W[lg]
;B[ke])
(;W[ie]C[Wedge-in Tesuji]
;B[he]
;W[hd]
;B[je]
;W[ke]
;B[ie]
;W[hh]
;B[ig]
;W[kg]))
(;W[ri]C[If White plays this placement, Black will die.]
;B[qi]
;W[rh]LB[sf:A][rk:B]C[A and B are miai.]
;B[rk]
;W[sf]
;B[sg]
;W[rg]
;B[se]
;W[sd]
;B[sf]
;W[qf]
;B[qg]
;W[sh]
;B[qf]
;W[sk]
(;B[sl]
;W[rl]
;B[sj])
(;B[sj]
;W[og]
;B[rl]
;W[sl]
;B[sm]
;W[sl])))
(;B[ql]C[Black can not cut here.]
;W[on]C[This is the vital point]))
(;B[fl]C[This hane is better for Black.]
;W[ej]
;B[fk]
;W[di]
;B[fj]
;W[ei]
;B[nq]C[Black takes sente and is able to take the big point.]))
(;B[go]C[This move is better.
]
;W[fp]LB[eo:A][ir:B]C[After Black played at A, Black B will be sente.
So White's territory is not big.]))
(;W[kn]C[Reducing the black framework with this move is a good idea.]
;B[lo]
;W[ln]
;B[mo]
;W[qo]
;B[po]
;W[qm]
;B[pn]
;W[qr]))
(;W[]C[If White doesn't defend the corner, ... ]
;B[cl]
;W[dr]
;B[em]LB[er:A]C[Black will blockade White. Black A is sente too. This result is not good for White.])
(;W[qm]C[But the right side is also big.]
;B[pn]
;W[pr]
;B[or]
;W[qr]))
(;W[nq]C[This approach is not good.]
;B[oq]
;W[np]
;B[pn]C[Black is happy to attack White.]))
(;B[nc]C[Even if Black cuts now,...]
;W[mc]
;B[nb]
;W[pb]C[White will be safe.]))
(;B[nc]
;W[nb]
;B[rc]C[Good sequence for Black, White is in trouble.]
(;W[sc]
;B[ob]
;W[mc]
;B[pb]
;W[nc]
;B[rf]C[White has failed.])
(;W[rf]C[If White doesn't answer in the corner, ...]
;B[mc]
;W[pb]
;B[pa]
;W[ob]
;B[sb]
;W[mb]
;B[rg]C[White is captured]))
(;AE[rb]AW[pb]LB[pb:A]SQ[pd]C[White A is the correct response to utilize blacks mistake by starting the nadare joseki at the marked stone..]
;B[nc]
;W[nb]
;B[mc]
;W[rb]LB[kc:A]C[Because of the stone at A the normal joseki does not work well for black anymore.]))
(;AE[hc][kc]AW[pb]LB[pb:A][jc:B]C[A is the normal joseki move. This is joseki when white has no stones around B.]
;W[]
;B[nc]
;W[nb]
;B[mc]
;W[rb]
;B[mb]
;W[oa]
;B[jc]C[A joseki variation, but black could not play like this in the game.]))
(;W[qf]C[Normal joseki, but...]
;B[nc]
;W[pe]
;B[oe]
;W[of]
;B[ne]
;W[pg]
;B[md]TR[hc][kc]C[This is not good for White because White's  marked stones became weak.]))
(;W[nc]C[Extending here is not good.]
;B[rd]
;W[qc]
;B[qj]LB[hc:A][kc:B][nc:C]C[The result is bad for White because A-C are too low.]))
(;AE[oc]AW[pj]LB[pj:A]C[If White has a stone at A, answering like in the actual game, at the marked stone, is reasonable because White aims at taking Black's base. However, nowadays this move isn't often used.
]
;W[pc]C[More normal])
(;B[nc]C[This is good for Black.]
;W[pc]
;B[le]LB[jd:A][pf:B]C[This move is good
After that, Black's miai at A and B.]
(;W[jd]
;B[pf]C[It is difficult for White to attack Black.])
(;W[pf]
;B[jd]
;W[jc]
;B[id]C[Black is thick.])
(;W[nd]C[If White cuts, ...]
;B[ne]
;W[md]
;B[ld]
;W[mc]
;B[lc]C[...this result is bad for White.])))
(;W[pf]C[This move is normal.]))
(;B[pf]C[Black can play this knight's move too.]
;W[cd]
;B[dd]
;W[cg]C[This is an even game.]))
(;B[kc]C[If Black plays here, ...]
;W[ed]
;B[ec]
;W[fd]
;B[fc]
;W[gd]
;B[bc]
;W[gg]C[... these moves will follow. It is a commonly used sequence.]))
(;W[ee]C[White can play this joseki, but]
;B[fd]LB[od:A]C[This battle is good for Black because Black was placed at A.. ]))
(;W[oc]C[If White answers here, ]
;B[nc]
;W[pc]
;B[md]
;W[qf]
;B[cf]C[... this sequence is expected. Many people played this in the past.]))
(;B[ce]C[If  Black encloses]
;W[oc]C[White will enclose too. So Black first approched the corner in the actual game.]))
