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 Post subject: Re: Uberdude's journal
Post #101 Posted: Wed Jun 06, 2018 4:50 am 
Lives in gote

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Thanks for posting this.
I'm wondering about the direction of attack on the K14-N14 white stones. At 45 my instinct would rather be to put pressure on them from the K12 area to try and build the bottom/center. At 49 I'd rather play M12 to isolate the two stones while still helping the right side group. What do you think?

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 Post subject: Re: Uberdude's journal
Post #102 Posted: Wed Jun 06, 2018 5:00 am 
Judan

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Shenoute wrote:
I'm wondering about the direction of attack on the K14-N14 white stones. At 45 my instinct would rather be to put pressure on them from the K12 area to try and build the bottom/center.

Mine too! I thought attach was probably bad and small scale when I played it, and knew that extend instead of hane for his reply was likely a good answer. LZ agrees with k12. I don't really know why I play moves I know are probably bad: hoping he hanes, being a chicken over the cuts? 43 should be q11 turn earlier. Reviewing it with my 1d wife she exclaimed on that move "Oh no, why did you play like me? I think you are better than that!". Maybe playing with her too much recently :)

Shenoute wrote:
At 49 I'd rather play M12 to isolate the two stones while still helping the right side group.

I think I need to block there. Though Elf did show me an interesting idea following my L12 bluff which failed: save the L12 stone (with m11 atari and connect, k12 is too big for W to trade) and let w capture the m13 stone as it's only a false eye and B can stay connected around white and keep up attack.

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 Post subject: Re: Uberdude's journal
Post #103 Posted: Wed Jun 06, 2018 5:17 am 
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Uberdude wrote:
(...) Reviewing it with my 1d wife she exclaimed on that move "Oh no, why did you play like me? I think you are better than that!". Maybe playing with her too much recently :)
Haha, that's a nice negative compliment, or positive criticism :D

Uberdude wrote:
I think I need to block there. Though Elf did show me an interesting idea following my L12 bluff which failed: save the L12 stone (with m11 atari and connect, k12 is too big for W to trade) and let w capture the m13 stone as it's only a false eye and B can stay connected around white and keep up attack.
Interesting. It seems indeed to be a better and safer way to isolate the white center stones than my immediate m12. Thanks!

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 Post subject: Re: Uberdude's journal
Post #104 Posted: Sat Jun 09, 2018 10:37 am 
Judan

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Some of my games from the British Challengers' tournament a fortnight ago with some comments and LeelaZero review.

Reviewed this game with Pavol Lisy 2p at the event, LZ after


I did put in some variations in Lizzie but didn't realise it only saves mainline!


Have just downloaded GoReviewPartner, will give that a go on some other games.


Attachments:
Simons-Wall.sgf [1.77 KiB]
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Simons-Rix.sgf [4.8 KiB]
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 Post subject: Re: Uberdude's journal
Post #105 Posted: Wed Jun 13, 2018 2:11 pm 
Judan

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I just beat LeelaZero #145 on even first time! 2 seconds a move for the bot so that's about 1k playouts, it missed a ladder.



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 Post subject: Re: Uberdude's journal
Post #106 Posted: Wed Jun 13, 2018 10:05 pm 
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LOL! Andrew, you bought a nice new machine with a good graphics card so that you could restrict you opponent to minimal playouts and exploit known weaknesses? :D

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 Post subject: Re: Uberdude's journal
Post #107 Posted: Wed Jun 13, 2018 10:38 pm 
Judan

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Hey, I just used the defaults in Lizzie! And actually I think 1000 playouts is not so small: some guy on reddit is doing tests reducing LZ's playouts to get about even results vs Leela 0.11 (6d+) with unlimited thinking time and is currently down to only 55 playouts. Plus when I was reviewing my tournament games with my laptop its 1 playout instinct was often better than our moves, and with a few hundred seemed plenty stronger than us. But yes I am smarter than Leela 0.11 in knowing LZ has ladder problems so intentionally gave it opportunities to mess up.


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 Post subject: Re: Uberdude's journal
Post #108 Posted: Mon Jul 16, 2018 3:19 pm 
Judan

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My game against Shi Yue 9p from the 5th World Collegiate Weichi Championships / Changqi Cup in Cambridge last week (record a bit wrong at end but yes I did blunder die; had to hurry up as last to finish).



Pics: https://www.facebook.com/photo.php?fbid ... ater&ifg=1


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 Post subject: Re: Uberdude's journal
Post #109 Posted: Mon Jul 16, 2018 10:08 pm 
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Uberdude wrote:
My game against Shi Yue 9p from the 5th World Collegiate Weichi Championships / Changqi Cup in Cambridge last week (record a bit wrong at end but yes I did blunder die; had to hurry up as last to finish)


Nice game! You seem to be a few points ahead if you live on the left.

How did the other strong amateurs do in the handicap simultaneous games?

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 Post subject: Re: Uberdude's journal
Post #110 Posted: Tue Jul 17, 2018 3:59 am 
Judan

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sorin wrote:
Nice game! You seem to be a few points ahead if you live on the left.

Yes, it was pretty painful losing all those points in the lower right (too much fighting spirit with g4, and not defending at s3 when I had the chance) but I had hung on to just enough. At the end I overlooked that making the e9 d9 exchange meant c6 was no longer sente so I had to live differently. I don't really know why I kicked and invaded at h17 seeing as I expected his h16 tesuji and had no good answer planned; took me a while to get into the game. The centre fighting was fun, seeing as Shi Yue is one of the strongest fighters in the world I wanted to fight against him rather than play some passive "preserve my handicap" style. I reviewed a bit with LZ, it said I basically maintained a >90% winrate all the way to the blunder, but winrate is not so useful for reviewing handicap games as in the opening 4 handicaps is ~50 points lead and given as 96% win, whereas nearer the end of the game 96% winrate could mean a sure lead of 3 points. Really what I want is a points lead graph showing my gradual (or not for big mistakes!) erosion of the 4 stones advantage as the game progresses. There is a "handicap-instead-of-winrate" setting in the lizzie config, I'll give this a go later.

sorin wrote:
How did the other strong amateurs do in the handicap simultaneous games?

I only know Daniel Hu lost on 3 stones to Tuo Jiaxi, and Amir Fragman lost to Mi Yuting (don't know handi). Here you can see Laurent Heiser's game in progress

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 Post subject: Re: Uberdude's journal
Post #111 Posted: Sun Jul 22, 2018 5:07 am 
Judan

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I won the first game of the 2018 British Go Championship yesterday against Sam Aitken 4d. A little bit of AI influence (press bigger than double approach to 4-4) but no modern 3-3 invasions and then a fairly traditional looking game. I did better in opening and early middle-game, messed up in middlegame and was behind losing a bunch of stones. Some sloppy endgame play from both of us meant we each had chances but in the end I came out ahead by (my now traditional title-match score of) 2.5 points. (o11 connect is losing move if I connect at p11 (he should peep inside to get the 1st line sente yose), then o13 is losing move as p13 wedge works due to me not playing p11 and is a few points better.)



Commentary by Matthew Macfadyen 6d:


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 Post subject: Re: Uberdude's journal
Post #112 Posted: Tue Jul 24, 2018 12:34 am 
Judan

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Some comments.



LZ's winrate of the game with move numbers of key moments marked:
Attachment:
Andrew vs Sam g1 winrate2.PNG
Andrew vs Sam g1 winrate2.PNG [ 441.72 KiB | Viewed 540 times ]


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Andrew vs Sam game 1.sgf [13.42 KiB]
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