How many chess games are possible? - Numberphile

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Dr James Grime talking about the Shannon Number and other chess stuff.
More links & stuff in full description below ↓↓↓

NUMBERPHILE

Videos by Brady Haran

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in the distant future: "and it is as of move 11, 000 we have a completely new game."
-agadmator

severeds
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My chess skill is so low that i have most likely played games of chess that will never be repeated by another human being

MackyBclips
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7:34 "Some of those games are nonsense games, you can win in one move but you move other pieces" - I feel personally attacked!!!

psilow
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That queen sacrifice at 3:40 was delicious.

adrianb
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Move 4 there are 197000 different possible games. 90% of games I play 1. e4 e5 2. Nf3 Nc6.

Terry-nrqn
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197 742 possible games after 4 moves... and only 36 of them are possible Bongcloud openings. We really need to have more opening theory.

FrancoisTremblay
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3:39 Can we just appreciate this queen sacrifice

orangenasa
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0:27 how to get extra sentences on a test

undera
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... I almost said depends on the size of the board. I'm an idiot sometimes.

MaxwellTornado
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The interesting question is - as the game goes on - the number of pieces goes down (as some are captured) - but the number of spaces they can move into without some obstruction INCREASES...understanding which of those two things happens to the greatest extent would inform us as to whether Shannon's number is an over-estimate or an under-estimate.

SteveBakerIsHere
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The game being played is “The Immortal Game” Adolf Anderssen v. Lionel Kieseritzky, London 1851

ekicipe
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Me: How many are possible games?

Doctor Strange: 10^120

Me: In how many I won against my dad?

Doctor Strange: None

GMPranav
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I wasn't aware of how 10^120 was guesstimated. :)

Nice video... *shared*

ChessNetwork
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The game he shows is the immortal game between Adolf Anderssen and Lionel Kieseritzky 1851, btw.

dominikwagner
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The universe of possible chess games includes some marvelous games that have never been played. Every so often, two people get together and try to find one of them.

willfreese
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There are only two possible chess games, actually.  The one where I blunder my queen, and the kind that occurs much less frequently.

pizzashark
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"This was in passing."
Or... En passant?

nelsonnicholson
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3:12 "it was only IN PASSING"

that had to have been a purposeful choice of words

mynameisjeremy
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7:33 is a pretty accurate description of my chess experience

nicolasterbeek
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This guy definitely takes sugar in his tea.

Cr-gfgn