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 Post subject: Re: Uberdude's journal
Post #121 Posted: Mon Feb 04, 2019 11:11 am 
Judan

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The final game with Lizzie analysis, I played from around move 140 with under a minute and a 10 second Fischer increment so it was pretty crazy! Not a smooth LZ cruise to victory, LZ said the lead swapped hands 20 times in the middlegame madness! Inviting the g13 atari mistake is based on a ladder which amusingly only just works for me.



Compare winrate graph for this game:
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with previous one!
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vs Alastair.PNG
vs Alastair.PNG [ 209.95 KiB | Viewed 1344 times ]


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 Post subject: Re: Uberdude's journal
Post #122 Posted: Tue Feb 05, 2019 4:45 pm 
Dies with sente
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First game was against this forum's MikeKyle, maybe he will upload our Lizzie review.


Sure.

I didn't save the sgf in lizzie at the time but I think i got the order right later on.

For anyone missing the context, this is a huge miss-match (even game 4d v 2k (egf)). Always great to get a game against a stronger player, and grateful for the review too - Bots are fun, but humans can explain using concepts, not just sequences. If anyone has other comments, I'd appreciate that.



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 Post subject: Re: Uberdude's journal
Post #123 Posted: Wed May 29, 2019 4:38 am 
Judan

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I'm through to another British championship match vs Andrew Kay, as expected given we were the only 4ds in a field of 1k-2ds. I lost to Andrew in the first round with a big mistake in a fight and no way back. Won the rest of the games but quite a few (vs Hunt, Wall) I gave my opponent a big chance but they kindly let me recover so didn't play particularly well. Here's the LZ reviews.

White vs Kay. I didn't live with 150 but stupidly died at top, played a load more and resigned when the theoretical ko at bottom became seki.


Black vs Rix (was doing well but mishandled my weak group on left, until he bizarrely let me kill his top left corner when I played a liberty increasing probe and then couldn't kill my middle)


White vs Hunt, doing well until started ko too early. Ended up killing his middle for a resign as I allowed the right side to be a ko.


Black vs Wall or how to overattack and turn your 10 point territory into opponents 35 point territory! He resigned at 241


White vs Mitrovic (most interesting game)


Black vs Fearnley (played terrible on left side!) Played more endgame, ended up (unnecessarily) killing top right with the j15 h14 tesuji combo I'd been aiming at.


White vs Scarff (closer than I hoped, though LZ gives me 90+ from early)


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simons fearnley.sgf [9.29 KiB]
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me vs boris.sgf [17.77 KiB]
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simons wall.sgf [32 KiB]
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simons hunt.sgf [14.35 KiB]
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simons rix.sgf [17.21 KiB]
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simons kay.sgf [22.58 KiB]
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 Post subject: Re: Uberdude's journal
Post #124 Posted: Wed May 29, 2019 6:07 am 
Gosei

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Uberdude wrote:
I'm through to another British championship match vs Andrew Kay, as expected given we were the only 4ds in a field of 1k-2ds.

Congrats! But what happened to all the very strong players? Are there no 7d-level players around or do they consider this tournament not interesting? (I have seen that happen locally but it is a bit more surprising at a national level.) I imagine that there must be plenty of strong players around who grew up in the CJK countries; am I mistaken (I might be extrapolating too much from US demographics), or are they not interested, or is there some other reason they don't participate? I saw no Asian names in the crosstable. The top of the US rating list is dominated by people with Asian names: see https://www.usgo.org/search-ratings.

I remember you complaining about this in the past, but I don't remember if there were more details.

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 Post subject: Re: Uberdude's journal
Post #125 Posted: Wed May 29, 2019 6:43 am 
Judan

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dfan wrote:
But what happened to all the very strong players? Are there no 7d-level players around or do they consider this tournament not interesting? I imagine that there must be plenty of strong players around who grew up in the CJK countries; am I mistaken (I might be extrapolating too much from US demographics), or are they not interested, or is there some other reason they don't participate? I saw no Asian names in the crosstable. The top of the US rating list is dominated by people with Asian names.

First of all this is the British championship (not Open), so there is a requirement to be a British citizen or have lived here 5 years. So that excludes the various strong (usually ~5d) Chinese students who tend to study at university for just a few years. A few years ago we did have one, Junnan Jiang 5d, who had lived here long enough for his PhD to compete and win (I patted the racoon belly against him in the Challenger's but lost later!). Whether many of them would play if they were allowed I'm not sure, the timing is bad with university exam season, beating up us native weakies might not be so interesting, and it's a big time commitment. There is talk of changing the format given the declining entry.

There are no eligible 7d-level players (I mean EGF 7d, AGA 7d is about EGF 5d). Matthew Macfadyen 6d has dominated British go since the 70s but he is not so strong now and has retired from competitive play. Shutai Zhang 7d was a Chinese player who lived in England in the 90s and interuppted Matthew's win streak. Bei Ge 5d beat Matthew in the 2000s. There have been the odd 7d Asians here (e.g. 7d Koreans Oh Chi Min, Kim Youngsam studied here briefly, some Chinese 7d students (e.g. Qinmeng Zhang, Quichu Lu) occasionally turn up at London Open or other tournaments. But afaik there are no 7d level long-term residents of Asian origin. There is for example Li Shen 6d, who was active as a 6d child (he won the first Cambridge tournament I played in), briefly resurfaced while a student at Cambridge but has since disappeared from the Go scene again. 2 years ago Daniel Hu 5d (who was active on L19) did win.

European Go demographics are quite different to US. If you look at the top 6d and 7d Europeans the vast majority are natives rather than Asian immigrants as in the US. So UK is quite similar to other European countries, except our top active players are 4d with some inactive 5ds instead of 6-7d. Something I have noticed is a lot of the top Europeans started as children, whereas the current generation of top Brits like me started at university so it's unsurprising we aren't as strong. Our youth Go support/activity has probably been pretty poor compared to other countries though it has improved in the last few years, but still no home-grown dan players.


This post by Uberdude was liked by 4 people: dfan, ez4u, sorin, Struttnoddy
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 Post subject: Re: Uberdude's journal
Post #126 Posted: Sat Jun 01, 2019 12:26 pm 
Dies in gote

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Congrats and all the best for the final!

Quick question, I must be missing something but I can't see the seki at the bottom of the board in your game against Andrew? It still looks like a two step ko to me

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 Post subject: Re: Uberdude's journal
Post #127 Posted: Sun Jun 02, 2019 12:20 am 
Judan

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Struttnoddy wrote:
Quick question, I must be missing something but I can't see the seki at the bottom of the board in your game against Andrew? It still looks like a two step ko to me

I left it as the hopeless approach ko for most of the game, started the ko in endgame, he ignored my threat for just a dozen or two points so then it was seki at best or dead but either way was still far behind so resigned.

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