deepest doll reached: 0 of 5
that's the ceiling
doll 5 plays perfectly — the best anyone can do against it is draw. six rules, one at a time, took tic-tac-toe from pure chaos to unbeatable.
a matryoshka doll of tic-tac-toe AIs. beat the doll you're playing and a slightly smarter one is nested inside — one more rule each time, chaos to unbeatable.
doll 5 plays perfectly — the best anyone can do against it is draw. six rules, one at a time, took tic-tac-toe from pure chaos to unbeatable.