Derren Brown’s Impressive Memory Feat In A Chess Simultaneous Exhibition

This YouTube video shows an impressive memory trick by Derren Brown. The Amazing Kreskin has previously pulled off something similar, with a simultaneous match against Viktor Korchnoi and Robert Byrne; the trick there was that Kreskin was also blindfolded! But I believe that Kreskin used the same pairing trick that Brown used; so which is … Read more

Round Trip On A Treadmill; Updated With Solution

Well, it’s been a while, but here at last is the promised solution to the treadmill puzzle posted here. I saw a version of the puzzle here (in the midst of a great discussion of extreme examples and counterexamples) at the excellent blog of Dave Richeson, who cites The Futility Closet. Here is the puzzle: … Read more