(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]
RU[Japanese]SZ[19]KM[6.50]
GN[Bo R5]PW[David Ulbricht]PB[Christian Moldovan]WR[2d]BR[1d]RE[W+11.50]
;B[dp]
;W[pq]
;B[pd]C[Cross opening again... well if you must.. :P]
;W[cc]
;B[qo]
;W[qp]
;B[po]
;W[nq]
;B[pk]
;W[qc]
;B[pc]
;W[qd]
;B[pe]
;W[rf]
;B[qf]
;W[rg]C[Better to play R13 in this case, then black can't really separate my two stones like in the game.]
;B[qb]
;W[rb]
;B[re]
;W[pb]
;B[qe]
(;W[ph]C[This immediately started a fight.

It's not bad for white, but I certainly felt a bit out of my comfort zone here.

I could choose a calmer alternative (which I also considered) in simply playing P18!]
(;B[og]C[This is inefficient and the wrong direction to attack from.

Instead my opponent should either attack with a cap or from the weaker side with R10!]
;W[oh]
;B[ob]
;W[qa]
;B[ri]C[This is an overplay and a typical mistake.
The move relies on hopeful reading, meaning it expects white to respond passively with S12.

However this brings us to an important lesson about importance of stones!

How much do the S13-stones really matter?
The top right black group is already reasonably strong and S11 is still a move that can be treated flexibly.
That means, it is more or less separating two groups that are not attackable and thus those "cutting stones" are not important.

I know I made this same mistake not too long ago, so I had to smile internally a little bit.]
;W[qj]C[This is the logical refutation of S11!
Now Q9 is becoming weaker, especially if black tries too hard to capture the two stones, which is exactly what happened!]
;B[qg]
;W[qk]
(;B[qi]C[Now black is making it worse.

Instead black still had some chance to counterplay with P10!
This would take away some shape from white and make the P12-stones harder to sacrifice!

Now black is going after the two Q12-stones, but those stones are not important, similar to the S13-stones!]
;W[pj]
;B[pi]C[And making it even worse.

Instead maybe black could try O9 (with similar ideas to last moves suggestion)
But ofc at this point black was dead set on this idea being good.]
;W[oi]C[This move is not trying to save the stones - rather it is meant to create more aji!]
;B[oj]
;W[ok]
;B[nj]
;W[pl]
(;B[mh]C[This is a very passive way to capture 3 stones.

Lets explore once again the value of those 3 stones:
They are directly next to a now very strong black group. That means, that white has no intention to run them out.
Thus there is no need to capture them in such a direct way!

Instead it is much more important to focus on the aji left behind towards the bottom side!

Instead black should play a move like N9!]
;W[mo]C[It is only move 40, but this is already a really good position for white.

However, after the game black told me he really liked this position for black.

To understand why this position is good for white you have to

a) realise that the two Q5-stones are captured with a lot more territory around them (that corner is huge!)  than the 5 stones I willingly sacrificed

b) That the black 'wall' has several weaknesses left that can be abused:

1) The cut at P17 - white can peep or clamp or use it more indirectly from a bit more distance
2) the P12-stones still have 4 liberties and a lot of aji left. This can also still be used from the other side, for example with N9!]
;B[fq]C[Now black didn't even choose to grow the top side, for example with F17.
No clue why F3 was played here, it makes no sense from a direction of play standpoint.
Was black too worried white could grow the bottom side? More than black can build the top side?

Also black had the option to still use the aji of Q5, e.g. with N6 and/or N9 (which is still a pretty crucial point)]
(;W[fd]C[Alternative:
Just remove aji with N8!]
;B[hc]
;W[cj]
;B[cl]
;W[he]
;B[ch]
;W[cf]
;B[eh]
;W[hd]
;B[ic]
;W[gc]
;B[dk]
;W[nc]
;B[oc]
;W[jd]
;B[jc]
;W[kd]
;B[lb]
;W[lc]C[abusing the living hell out of those stones, making the black stones capturing my 5 stones really look pitifully inefficient ^^]
;B[mb]
;W[mk]C[And finally I felt ahead enough to fix my aji here!]
;B[mj]
(;W[mg]C[Trying to abuse some more, though black should probably tenuki and find some counterplay.

The move is also removing the power from wO9, so maybe not a good exchange!

So instead just O9!]
;B[nh]C[He did not.
This breaks the ladder after black push and cut at J16+K15 btw ^^]
;W[rj]
;B[qh]
(;W[lk]C[Shape!
This does accomplish to have some more center presence.

However it leaves a few defects.
Instead maybe O9 (though far less powerful, since the follow-up at M10 has been removed after I exchanged N13 for O12)
or N7]
;B[jp]
(;W[kr]C[A bit greedy.

It was more important to keep the center strong with a move like M6!]
;B[jr]
;W[kq]
;B[jq]
(;W[cq]C[Fine move - still alternative is just M6.]
;B[cp]
;W[bp]
;B[bo]
;W[br]
;B[dr]C[Black basically has to try - this is blacks only territory!]
;W[dq]
;B[er]
;W[cr]
;B[aq]
;W[ap]
;B[cs]
(;W[co]C[Not the best move.
Instead I can play E4!!

I need to remember that my goal is not necessarily to run the corner stones out, but rather to use them to reduce the black territory effectively.

E4 instead leaves a lot more aji outside!]
;B[do]
;W[cn]
;B[bn]
;W[ep]
;B[dn]
;W[eq]
;B[gn]C[At this moment I began to panic a little.

I had looked at the board 2 game and saw that the only condender for 1st place was losing, so I knew that for the tournament result my game didn't even matter anymore.
But that's not what I came to play for, I want to do the best I can in my games and preferably win.

I put some added pressure on myself I guess, wanting that 5:0 result so badly and to make sure that I would be 3d after this tournament!]
(;W[ho]C[After calming myself down a bit, I knew the game was still ok for me.
Since I didn't see a good way to get out, I tried to compromise here.

However there was a much better way with G5!! instead]
;B[gq]
;W[hn]
;B[gm]
;W[hq]C[Now I was starting to try way too hard to make something work here.
This starts the beginning of the phase of my worst mental state in this tournament. Or at least I was not really focused.]
;B[hr]
(;W[gp]C[big mistake - instead I should make sure I keep the outside harassable.

So instad G5 is much more valuable!]
;B[fp]
;W[ir]C[Though this is a good move, it still shows how hard I was trying to make something happen in that area!]
;B[iq]
;W[fo]C[(Setting up for F2!, see variation)]
(;B[hp]
;W[go]
;B[eo]
(;W[hm]C[I'm still under the impression I have a lot of forcing moves here.
But this has no reall follow-up, so black can counterattack!

instead I should just connect back with e.g. K6!]
;B[kp]
;W[lp]C[Wrong direction.

Instead I should defend with M6!!
(yes, M6 is still a crucial point 70 moves later!)]
;B[ln]C[(There you go..)]
(;W[lo]C[Bad exchange.

This hurts my H6-group to much if black were to respond at the shape point K6!!!

So instead just N6!]
(;B[kn]
;W[ko]C[Finally, this is where I lose my marbles...

instead I can just play N6 still and be fine, but I want to force it too much.]
;B[jo]
;W[jn]C[This is a really bad cut, because

a) black can force me into horrible shape (double empty triangle)
b) it only cuts of one weak group, which is actually stronger than my own weak group!]
;B[jm]
;W[in]
;B[kl]
;W[gl]C[N6 is still the vital point.

But here I already felt like the game had slipped away from me and I was searching for something very drastic.
I couldn't find any way to surround the black stones directly, so I tried this to strengthen my center group and set up a surround.]
;B[mn]
;W[jj]C[Hoping for a miracle...]
;B[ik]
;W[hj]
;B[hk]
;W[gk]
;B[ij]
;W[ii]
;B[hi]
;W[gj]
;B[ji]
;W[jk]
;B[ih]
;W[jl]
;B[nk]C[But there are just too many weaknesses in my shape:

1) the K8 stones
2) the M9 stones
3) the Q8 stones
4) the N5 stones

All of them possibly have issues while black only needs to worry about trying to live with one group in that area!]
;W[nl]
;B[ml]
;W[ll]
;B[mm]
;W[il]
;B[om]
;W[ol]
;B[qm]
;W[ql]
;B[pm]
;W[rl]
;B[rn]
;W[sm]
;B[rp]
;W[rq]
;B[no]
;W[nm]
;B[np]C[I got very lucky here that black missed N3!!!
(I noticed it right after I played O7 and was close to calling it quits...)]
;W[mq]C[But after this bad exchange by black, I had some hope

(also P4 instead of O4 would've been better)]
(;B[nn]C[And then the next mistake.

If black instead just plays P4, he can make use of my bottom side weaknesses first!!
(see variation)]
;W[op]C[Now I got there first]
;B[pp]
;W[qq]
;B[oo]
;W[pn]
;B[oq]
;W[or]
;B[pr]C[Ko - now there is a chance I can still win this game]
;W[op]
;B[lj]
;W[kk]
;B[oq]
;W[nr]
;B[so]C[(not quite sure about the timing of this move, but pretty sure my opponent messed up somewhere around here :D )


In any case - this was the miracle I was looking for]
;W[sn]C[The game goes on for quite a bit longer (this is only the half way point!!!), but not much happens anymore that changes the outcome of this game and I'm also not at all sure about the order of moves from here on, but the end result is correct.

But there is one last thing to be said about L7! (see move 182)]
;B[ef]
;W[ee]
;B[df]
;W[ce]
;B[bg]
;W[bf]
;B[cg]
;W[kc]
;B[kb]
;W[dm]
;B[cm]
;W[km]C[this was probably the last way to come back for black.
If my opponent gets this move, my outside group does not have two eyes yet and it turns into a semai most likely involving a ko.

When I got this move, there was no doubt in my mind that the game was decided.]
;B[rd]
;W[rc]
;B[de]
;W[dd]
;B[gb]
;W[fb]
;B[hb]
;W[fa]
;B[ec]
;W[fc]
;B[af]
;W[ae]
;B[ag]
;W[ed]C[(Better at B16)]
;B[bd]
;W[cd]
;B[lg]
;W[jf]
;B[le]
;W[kg]
;B[id]
;W[ie]
;B[mc]
;W[lf]
;B[ke]
;W[je]
;B[mf]
;W[lh]
;B[me]
;W[ki]
;B[gf]
;W[ei]
;B[di]
;W[ej]
;B[dj]
;W[ng]
;B[nf]
;W[lg]
;B[ge]
;W[fg]
;B[fh]
;W[ff]
;B[gg]
;W[fe]
;B[jg]
;W[ig]
;B[jh]
;W[mi]
;B[ni]
;W[kj]
;B[pg]
;W[hg]
;B[gh]
;W[hl]
;B[ii]
;W[bc]
;B[fn]
;W[fm]
;B[en]
;W[jb]C[Endgame tesuji :)
Reduces blacks area more than if I just play G19, because black can't black directly now!]
;B[ib]
;W[ga]
;B[ja]
;W[ha]
;B[oa]
;W[pa]
;B[ia]
;W[eg]
;B[dg]
;W[sj]
;B[ks]
;W[ls]
;B[js]
;W[lr]
;B[hf]
;W[si]
;B[sh]
;W[if]
;B[li]
;W[kh]
;B[fl]
;W[el]
;B[em]
;W[ek]
;B[io]
;W[gi]
;B[hh]
;W[dl]
;B[sc]
;W[sb]
;B[sd]
;W[ld]
;B[md]
;W[fk]
;B[fi]
;W[fm]
;B[lm]
;W[im]
;B[fl]
;W[fr]
;B[gr]
;W[fm]
;B[mp]
;W[lq]
;B[fl]
;W[cn]
;B[co]
;W[fm]
;B[rm]
;W[sl]
;B[fl]
;W[rh]
;B[sf]
;W[fm]
;B[ad]
;W[be]
;B[fl]
;W[sg]
;B[sh]
;W[fm]
;B[ra]
;W[sa]
;B[fl]
;W[ka]
;B[la]
;W[fm]
;B[rr]
;W[qr]
;B[fl]
;W[rh]
;B[rg]
;W[fm]
;B[sq]
;W[ps]
;B[fl]
;W[fs]
;B[gs]
;W[fm]
;B[sr]
;W[rs]
;B[fl]
;W[bs]
;B[ar]
;W[fm]
;B[ms]
;W[ns]
;B[fl]
;W[es]
;B[ds]
;W[fm]
;B[kf]
;W[gd]
;B[fl]
;W[]
;B[fm]
;W[fj]
;B[dh]C[I'm not quite sure about the ko threats anymore.
In the game black won the ko, even if it doesn't make much sense here ^^

Anyway - this marks my first ever 5:0 - and tournament win :)])
(;B[op]
;W[nn]
;B[oq]
;W[or]
;B[qr]C[!!!]
(;W[qq]
;B[pr]
;W[nr]
;B[rr])
(;W[pr]
;B[qq]
;W[rr]
;B[pp]
;W[qs]
;B[on])))
(;B[jn]))
(;W[mn]
;B[lo]
;W[mq]
;B[hk]
;W[il]C[Still ok for white]))
(;W[jn]))
(;B[go]C[if black plays this, it is gg]
;W[fr]
;B[gr]
;W[fs]C[White lives in the corner]))
(;W[go]
;B[fo]
;W[hm]
;B[gl]
;W[hl]
;B[gk]
;W[ko]C[With this idea]))
(;W[go]
(;B[gq]
;W[ho]
;B[hn]
;W[io]
;B[fo]
;W[in]
(;B[fn]
;W[ko]C[possible variation])
(;B[kn]
;W[fp]
;B[gp]
;W[eo]
;B[fn]
;W[en]
;B[cm]
;W[em]
;B[gl]
;W[ek]C[Another variaiton - all I need is one more eye.

]))
(;B[hn]C[if black insists]
;W[gq]
;B[fp]
;W[fo]
;B[gr]
;W[gp]
;B[fr]
;W[io]C[I can again escape with a good enough reduction])))
(;W[ep]
;B[eo]
;W[fp]
;B[eq]
;W[fo]
;B[en]
;W[fn]
;B[em]
;W[fm]
;B[fl]
;W[gl]
;B[fk]
;W[jn]C[possible variation]))
(;W[ln]))
(;W[ln]
;B[lq]
;W[mq]
;B[lp]
;W[jn]))
(;W[nk])
(;W[mm]))
(;W[nk]
(;B[lj])
(;B[jp]C[If black tenuki, I can abuse for more center presence!]
;W[lj]
;B[li]
;W[qh]
;B[rh]
;W[rj]
;B[sf]
;W[ki]
;B[kh]
;W[kj]
;B[jh]C[Still leaving some nasty aji behind!]
;W[mi]
;B[ni]
;W[nh]
;B[mi]
;W[mg]
;B[lh]C[mmmmmh dumplings ^^])))
(;W[ml]))
(;B[mk]C[This has much more impact on the situation around the Q8 and the Q5 group!
THIS is what matters!

My opponent failed to understand that.]))
(;B[oj]
(;W[qi]
;B[rh]
;W[pl]
;B[ol]C[Still a good fight for white though])
(;W[rh]
;B[qi]
;W[qh]
;B[pi]C[another option for white])))
(;B[ob]
;W[qa]
;B[rd]
;W[rc]
(;B[nh])
(;B[qj]C[This move takes away whites shape locally the best!

Compare with what black tried in the game at move 27])))
(;W[ob]
(;B[pi]
;W[nd]C[And then there is still potential aji in those two stones (e.g. with Q12!)])
(;B[ph]C[If black defends tighter, it leaves the other side weaker...]
;W[rm]C[...so an invasion like this works more much better!])))
