DOWN STAR

In Combinatorial Game Theory DOWN STAR, written “``"↓"ast``”, is the sum of the infinitesimals DOWN (“``darr``”) and STAR (“``ast``”). It is fuzzy, which means that the first player wins.

In chilled go, where each move costs one point, this position is a DOWN STAR.

DOWN STAR in chilled go  

For a discussion of this position see More Infinitesimals.

For help coding DOWN STAR with MathJax, see the article UP STAR.