Johan Wästlund
Sunday, June 21, 2020
Lyssna på Greta Thunberg och sprid ordet!
›
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
›
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!
›
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
›
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...
Friday, April 5, 2019
Which number is hardest to guess?
›
I finally figured out how to compute the "devil's distribution", a probability distribution that produces a random positive in...
Monday, March 11, 2019
Primtal och siffermönster
›
Euklides kunde bevisa redan för 2300 år sedan att det finns oändligt många primtal. Med tiden har jag kommit att tycka att det mest fasciner...
‹
›
Home
View web version