Splash Biography

COLBY RILEY, Princeton sophomore

Major: Math

College/Employer: Princeton

Year of Graduation: 2026

Brief Biographical Sketch:

I was born in 2004. Now, I am a professional Four Square player.

Past Classes

(Clicking a class title will bring you to the course's section of the corresponding course catalog)

M847: But what is a "number", really? in Splash 2024 (Apr. 20, 2024)

I mean, $$1$$ is definitely a number. So is $$5$$. $$0$$ has been a number for a long time, but was it always? Pythagoreas famously thought that $$\sqrt 2$$ was NOT a number, and many people today think that "imaginary" numbers are "fake" numbers. So what makes a number, really?

M758: Infinite Chess (Releasing the Horde) in Splash 2023 (Apr. 22, 2023)

Do you play chess? Do you play infinite chess? Maybe not, but playing chess on an infinite chess board creates a lot of chaotic fun very quickly, especially when you are allowed infinite pieces! A fun question to ask is, can we create forced-mate positions that take any arbitrary amount of time to mate the king? Join me as we investigate the crazy world of infinite chess.