Another incredible Chick Corea piece is ‘Got a match?’, which he first played with the ‘Elektrik Band’. It was released in 1986, and it’s a very particular kind of shred, where Chick and his band ‘show off’ their technique. Its live versions are very nice, and the characteristics of these exhibitions are: they are usually […]
Month: March 2021
Inequality From Today’s Contest
Today a math contest I organized was held and I think this was the most difficult exercise overall. There are m distinct positive even integers and n distinct positive odd integers that add up to 1987. Find the maximum of 3m + 4n. So we have this sum of integers We can write that Now […]
Quarantine And Bijections
Now the majority of Italy is in lockdown again. So, why not spend some time doing combinatorics. Today’s subject is bashing sums without having to do any calculation. Let’s say we have this sum: One way to do it would be differentiating , then multiplying the result by x and differentiating again. Then we get […]
On the razor’s edge
This game was really strange. There have been various moments where I could have really taken the upper hand, but I missed many of them. So, I consider it instructive to show how a game could be improved. I played black, and as I usually do when e5 is played, I responded with c5, going […]