# Category Archives: Uncategorized

# How to Count to the Largest Number Ever Used

# Why Not to Trust Statistics

# A New Favorite Puzzle

# History’s Greatest Chess Matches

I’ve been poking at chess lately, the way a chimpanzee might poke at a car engine. Does he understand it? Not really. Is he having fun? Sure!

Chess is much like math. Instead of problem sets, you play games, and in lieu of lectures, I’ve been YouTubing famous games from chess history. Here are 3 of my favorites, each no longer than an episode of *Arrested Development* – and just as intricate and clever.

**The Immortal Game**

In 1851, Adolf Anderssen (a math teacher) and Lionel Kieseritzky (the editor of a chess magazine) played a match that has been talked about ever since.

In it, Anderssen leads his pieces in a suicide charge. He sacrifices a bishop, both rooks, and the queen – nearly all his best material – in exchange for nothing but pawns. It’s like a parent chanting, “Go! Go! Go!” as he sends his children sprinting out into onrushing traffic. He’s a madman. Yet in spite of the seemingly crippling losses, he checkmates Kieseritzky on the 23^{rd} move. The madman wins.

Anderssen’s play is as spooky as a zombie movie. The attackers seem to have no regard for their own safety. They’ll destroy themselves to bring you down. Continue reading

# Ultimate Tic-Tac-Toe

*Updated 7/16/2013 – See Original Here*

Once at a picnic, I saw mathematicians crowding around the last game I would have expected: Tic-tac-toe.

As you may have discovered yourself, tic-tac-toe is terminally dull. There’s no room for creativity or insight. Good players always tie. Games inevitably go something like this:

But the mathematicians at the picnic played a more sophisticated version. In each square of their tic-tac-toe board, they’d drawn a smaller board:

As I watched, the basic rules emerged quickly. Continue reading