Gibraltar 2020

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LawrenceCooper
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Re: Gibraltar 2020

Post by LawrenceCooper » Sat Jan 25, 2020 4:57 pm

Gawain's opponent may be taking the provocation in his game a bit far :shock:

https://www.chessbomb.com/arena/2020-gi ... B-Gukesh_D

Leonard Barden
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Re: Gibraltar 2020

Post by Leonard Barden » Sun Jan 26, 2020 4:28 pm

Pragg better against Topalov, Cramling better against Ivanchuk....

Update: Pia drew, but Pragg is now clearly winning with Q for R+N and +4.51 on Stockfish
https://www.chessbomb.com/arena/2020-gi ... ov_Veselin

David Robertson
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Re: Gibraltar 2020

Post by David Robertson » Sun Jan 26, 2020 9:07 pm

Can anyone explain why Stephen Gordon's opponent resigned today? Chessbomb (SF) gives Gordon [-0.35]. Has his human opponent seen beyond the 'horizon'?

LawrenceCooper
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Re: Gibraltar 2020

Post by LawrenceCooper » Sun Jan 26, 2020 9:28 pm

David Robertson wrote:
Sun Jan 26, 2020 9:07 pm
Can anyone explain why Stephen Gordon's opponent resigned today? Chessbomb (SF) gives Gordon [-0.35]. Has his human opponent seen beyond the 'horizon'?
I noticed that. At a glance I can believe that white thought black will take on g2 and then create a passed pawn with h4 and that will win a piece. The engines seem to think that isn't the end of the story though.

Richard Bates
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Re: Gibraltar 2020

Post by Richard Bates » Sun Jan 26, 2020 9:30 pm

David Robertson wrote:
Sun Jan 26, 2020 9:07 pm
Can anyone explain why Stephen Gordon's opponent resigned today? Chessbomb (SF) gives Gordon [-0.35]. Has his human opponent seen beyond the 'horizon'?
Surprising resignation, but I think black's winning. Chess24 seems to catch up if you play a few moves - … Bxg2...Be4... Bc2-b3-c4... White bishop seems to end up stuck on g2 and then trapped on h1 after black defends p with Kc6.

Nick Grey
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Re: Gibraltar 2020

Post by Nick Grey » Sun Jan 26, 2020 9:32 pm

Maybe making a choice between self mate - a6, Ka8, a7 or black promoting a pawn after B takes g2 or was loss on time?
Maybe I'll be higher than 150 on the Jan 2020 list.

Nick Grey
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Re: Gibraltar 2020

Post by Nick Grey » Sun Jan 26, 2020 9:35 pm

And I had not seen the analysis of Richard.

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JustinHorton
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Re: Gibraltar 2020

Post by JustinHorton » Sun Jan 26, 2020 9:44 pm

Richard Bates wrote:
Sun Jan 26, 2020 9:30 pm
David Robertson wrote:
Sun Jan 26, 2020 9:07 pm
Can anyone explain why Stephen Gordon's opponent resigned today? Chessbomb (SF) gives Gordon [-0.35]. Has his human opponent seen beyond the 'horizon'?
Surprising resignation, but I think black's winning. Chess24 seems to catch up if you play a few moves - … Bxg2...Be4... Bc2-b3-c4... White bishop seems to end up stuck on g2 and then trapped on h1 after black defends p with Kc6.
I'm not quite following the move order here, but for what it's worth, Stockfish on my phone is currently at 0:00 50-ply after this position (which is not of course forced, just a how-might-the-game-go)

Image

My guess would be that White saw they were losing a piece to ...h4 and ...g3 and looked no further.
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Richard Bates
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Re: Gibraltar 2020

Post by Richard Bates » Sun Jan 26, 2020 9:47 pm

Now try my plan.

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JustinHorton
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Re: Gibraltar 2020

Post by JustinHorton » Sun Jan 26, 2020 9:48 pm

I would if I were sure what it was.
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"Yes, but I prefer a game with a better chance of cheating."

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Richard Bates
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Re: Gibraltar 2020

Post by Richard Bates » Sun Jan 26, 2020 9:51 pm

JustinHorton wrote:
Sun Jan 26, 2020 9:48 pm
I would if I were sure what it was.
2... Be4 3. Bf1 Bc2 4...Bb3 5... Bc4

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JustinHorton
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Re: Gibraltar 2020

Post by JustinHorton » Sun Jan 26, 2020 10:07 pm

Yes, after 34-ply or so it comes round to your way of thinking. I am sceptical that White saw so far though.
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"Yes, but I prefer a game with a better chance of cheating."

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David Robertson
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Re: Gibraltar 2020

Post by David Robertson » Sun Jan 26, 2020 10:14 pm

OK, now we're making progress with one curiosity, let's try another. Why did MVL's opponent resign, with SF giving [0.00]?

Richard Bates
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Re: Gibraltar 2020

Post by Richard Bates » Sun Jan 26, 2020 10:25 pm

David Robertson wrote:
Sun Jan 26, 2020 10:14 pm
OK, now we're making progress with one curiosity, let's try another. Why did MVL's opponent resign, with SF giving [0.00]?
I’ll nominate a combination of MVL carelessness and double chess blindness on that one (assuming all moves shown happened). Although Stockfish seems to give White a slight edge after a bit of thought. Rc7 is a blunder.

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