Comments on: When Close Isn’t Good Enough

By: To Break From Routine Is Human | Beeminder Blog

To Break From Routine Is Human | Beeminder Blog — Thu, 16 May 2013 16:01:02 +0000

[…] more fulfilled. I suspect, though, that this falls into the category of problems where the right combination of AI and UI proves to be incredibly […]

By: AI Where A Stands for Almost « Alicia Morga's Blog

AI Where A Stands for Almost « Alicia Morga's Blog — Wed, 06 Jul 2011 08:21:19 +0000

[…] and also some of the breakthroughs. I stumbled on a great blog that I thought I’d pass along, Messy Matters. How true! You might also like :Machine Learning The Positivity Ratio Subtle Signs Teaching Stats […]

By: Lev Reyzin

Lev Reyzin — Wed, 01 Jun 2011 15:32:51 +0000

Another puzzle is why the strategy above doesn’t work for Go.

By: Arthur B.

Arthur B. — Wed, 01 Jun 2011 12:25:35 +0000

The first player should place a pawn dead in the center, after that, place a pawn which is center symmetric with the opponent’s last move, it’s always possible because the board remains symmetric at all time, and the center symmetric position can’t overlap because the disc in the center has been taken already.

By: dreeves

dreeves — Wed, 01 Jun 2011 05:34:23 +0000

(I just temporarily censored a comment that was too much of a spoiler for the puzzle. Most of our puzzles here are variants of things we’ve heard before. We just try to make them ungooglable (and add twists). So no spoiling it by mapping it back to a potentially googlable form!)

[I uncensored it now that we got a solution.]

By: Kevin Canini

Kevin Canini — Wed, 01 Jun 2011 05:24:28 +0000

Regarding the bonus puzzle, I heard this one many years ago, but using a big round table instead of a chessboard, and quarters instead of pawns. The solution I was given requires the ability to make extremely precise measurements of the table and the coins.