tessaviolet:

mcdammit:

quadruplator:

Fun Fact of the Day: In chess, the knight can visit each square exactly once.

Once. Only one time. Never a second time.

I just had one of those moments where I thought “Wo! Can that be true? Only once. But couldn’t it move to somewhere it had been once it had been everywhere once? Like, what if you’ve moved your night 64 times and you needed to move it again?”

Then I turned my brain on.

That’s not even where the knight starts on the board.

(Source: thedankestmofo-blog)

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31. ikariusrising reblogged this from ilovecharts and added:

    I tried to give my daughter for each spot she completed, she quit after like 10 moves…

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35. doktorgun reblogged this from meowgosaurus and added:

    This is relevant to my interests.

36. seanland reblogged this from doogiehorner and added:

    As satisfying as Things Fitting Perfectly Into Other Things.

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