Friday, December 4, 2020

The twists and turns of random turn chess

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It's time for another item of the series Posts I wrote a while ago and "forgot" to publish . Random turn chess is a chess va...
Tuesday, August 11, 2020

Hastigheten i kvadrat ... eller ännu värre?

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Nu tittade jag på ännu en Numberphilevideo med en tankeväckande räkneövning. Här vill jag återge den fast med lite snyggare siffror och uta...
Monday, July 27, 2020

Zero to the zeroth power

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The question of the number zero raised to the zeroth power comes up often enough that finally I wanted to put my response to it on the blog ...
Sunday, June 21, 2020

Lyssna på Greta Thunberg och sprid ordet!

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När jag lyssnade på Greta Thunbergs sommarprat igår kom jag att tänka på detta med att upprepa något som låter orimligt, så att det till sl...
Thursday, September 26, 2019

Beatboxing and the Shannon number

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There is a famous number called the Shannon number , which "estimates" the number of possible games of chess. In mathematics and c...
Tuesday, August 20, 2019

Testing the chess clock!

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In my last blog post I described a new type of chess clock, or rather a new type of time limit: the double-flag system. In short, this is a...
Tuesday, June 11, 2019

The double-flag chess clock, a timer for games with reversible moves

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A new type of chess clock could improve the game. By allowing bonus time only in order to play for a draw, we can avoid meaningless time scr...