Question 167
There are $N$ points on a circle. Andriy and Olesya play the following game. Andriy goes first. They take turns and connect two of the given points with a chord, provided it does not cross any of the previously drawn chords. The one after whose move there is a triangle formed by the drawn chords wins. Who wins in a fair game if:
a) $N=14$;
b) $N=15$?
a) $N=14$;
b) $N=15$?